CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available" lang="sv" dir="ltr"> <head> <meta charset="UTF-8"> <title>Tryck – Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-sticky-header-enabled vector-toc-available";var cookie=document.cookie.match(/(?:^|; )svwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t."," \t,"],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy","wgMonthNames":["","januari","februari","mars","april","maj","juni","juli","augusti","september","oktober","november","december"],"wgRequestId":"95b9d738-e206-4a34-b4fb-32f5571efc86","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Tryck","wgTitle":"Tryck","wgCurRevisionId":53972279,"wgRevisionId":53972279,"wgArticleId":42256,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Fysikaliska storheter","Mekanik","Termodynamik"],"wgPageViewLanguage":"sv","wgPageContentLanguage":"sv","wgPageContentModel":"wikitext","wgRelevantPageName":"Tryck","wgRelevantArticleId":42256,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"sv","pageLanguageDir":"ltr","pageVariantFallbacks":"sv"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":9000,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q39552","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGELevelingUpEnabledForUser":false}; RLSTATE={"ext.gadget.babel":"ready","ext.gadget.geo":"ready","ext.gadget.warnings":"ready","ext.gadget.tags":"ready","ext.gadget.error":"ready","ext.gadget.referenser":"ready","ext.gadget.printonly":"ready","ext.gadget.tables":"ready","ext.gadget.toccolours":"ready","ext.gadget.smallTagFontSize":"ready","ext.gadget.videoPlayButton":"ready","ext.gadget.WikidataDescriptionStyles":"ready","ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.math.styles":"ready","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","mediawiki.page.media","site","mediawiki.page.ready","jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.editsection0","ext.gadget.ProtectionIndicators","ext.gadget.GeoboxLocatorMulti","ext.gadget.InterwikiBadges","ext.gadget.collapsibleTables","ext.gadget.NewSection","ext.gadget.ExkluderaRobotskapadeSidor","ext.gadget.Nearby","ext.gadget.InterProjectLinks","ext.gadget.cgiircbox","ext.gadget.withJS","ext.gadget.CommonsFileLinks","ext.gadget.tableSorterCollation","ext.gadget.WikidataDescription","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=sv&modules=ext.cite.styles%7Cext.math.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=sv&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=sv&modules=ext.gadget.WikidataDescriptionStyles%2Cbabel%2Cerror%2Cgeo%2Cprintonly%2Creferenser%2CsmallTagFontSize%2Ctables%2Ctags%2Ctoccolours%2CvideoPlayButton%2Cwarnings&only=styles&skin=vector-2022"> <link rel="stylesheet" href="/w/load.php?lang=sv&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.22"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/9/94/Pressure_exerted_by_collisions.svg/1200px-Pressure_exerted_by_collisions.svg.png"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="1063"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/9/94/Pressure_exerted_by_collisions.svg/800px-Pressure_exerted_by_collisions.svg.png"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="709"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/9/94/Pressure_exerted_by_collisions.svg/640px-Pressure_exerted_by_collisions.svg.png"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="567"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Tryck – Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//sv.m.wikipedia.org/wiki/Tryck"> <link rel="alternate" type="application/x-wiki" title="Redigera" href="/w/index.php?title=Tryck&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (sv)"> <link rel="EditURI" type="application/rsd+xml" href="//sv.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://sv.wikipedia.org/wiki/Tryck"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.sv"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom-flöde" href="/w/index.php?title=Special:Senaste_%C3%A4ndringar&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="auth.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Tryck rootpage-Tryck skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Hoppa till innehållet</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Webbplats"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" title="Huvudmeny" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Huvudmeny" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Huvudmeny</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Huvudmeny</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">dölj</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigering </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Portal:Huvudsida" title="Besök huvudsidan [z]" accesskey="z"><span>Huvudsida</span></a></li><li id="n-Introduktion" class="mw-list-item"><a href="/wiki/Wikipedia:Introduktion"><span>Introduktion</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Deltagarportalen" title="Om projektet, vad du kan göra, var man kan hitta saker"><span>Deltagarportalen</span></a></li><li id="n-Bybrunnen" class="mw-list-item"><a href="/wiki/Wikipedia:Bybrunnen"><span>Bybrunnen</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:Senaste_%C3%A4ndringar" title="Lista över de senaste ändringarna på wikin [r]" accesskey="r"><span>Senaste ändringarna</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Slumpsida" title="Gå till en slumpmässigt vald sida [x]" accesskey="x"><span>Slumpartikel</span></a></li><li id="n-filuppladdning" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard" title="Ladda upp filer till Wikimedia Commons"><span>Ladda upp filer</span></a></li><li id="n-Kontakta-Wikipedia" class="mw-list-item"><a href="/wiki/Wikipedia:Kontakt"><span>Kontakta Wikipedia</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Wikipedia:Hj%C3%A4lp" title="Platsen där du hittar hjälp"><span>Hjälp</span></a></li><li id="n-specialpages" class="mw-list-item"><a href="/wiki/Special:Specialsidor"><span>Specialsidor</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Portal:Huvudsida" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-sv.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:S%C3%B6k" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Sök i svenskspråkiga Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Sök</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Sök på Wikipedia" aria-label="Sök på Wikipedia" autocapitalize="sentences" title="Sök i svenskspråkiga Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Sök"> </div> <button class="cdx-button cdx-search-input__end-button">Sök</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personliga verktyg"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Utseende"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Ändra utseendet på sidans teckenstorlek, bredd och färg" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Utseende" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Utseende</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=sv.wikipedia.org&uselang=sv" class=""><span>Stöd Wikipedia</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:Skapa_konto&returnto=Tryck" title="Du uppmuntras att skapa ett konto och logga in, men det är inte obligatoriskt" class=""><span>Skapa konto</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:Inloggning&returnto=Tryck" title="Inloggning ger tillgång till fler funktioner för den som vill skriva och redigera artiklar. [o]" accesskey="o" class=""><span>Logga in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Fler alternativ" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personliga verktyg" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personliga verktyg</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Användarmeny" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&wmf_medium=sidebar&wmf_campaign=sv.wikipedia.org&uselang=sv"><span>Stöd Wikipedia</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:Skapa_konto&returnto=Tryck" title="Du uppmuntras att skapa ett konto och logga in, men det är inte obligatoriskt"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Skapa konto</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:Inloggning&returnto=Tryck" title="Inloggning ger tillgång till fler funktioner för den som vill skriva och redigera artiklar. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logga in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Sidor för utloggade redigerare <a href="/wiki/Hj%C3%A4lp:Introduktion" aria-label="Läs mer om redigering"><span>läs mer</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:Mina_bidrag" title="En lista över redigeringar från denna IP-adress [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:Min_diskussion" title="Diskussion om redigeringar från det här IP-numret [n]" accesskey="n"><span>Diskussion</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Webbplats"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Innehåll" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innehåll</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">dölj</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inledning</div> </a> </li> <li id="toc-Mätning_och_angivelse_av_tryck" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Mätning_och_angivelse_av_tryck"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Mätning och angivelse av tryck</span> </div> </a> <ul id="toc-Mätning_och_angivelse_av_tryck-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Lufttryck" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Lufttryck"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Lufttryck</span> </div> </a> <ul id="toc-Lufttryck-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hydrostatiskt_tryck" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Hydrostatiskt_tryck"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Hydrostatiskt tryck</span> </div> </a> <ul id="toc-Hydrostatiskt_tryck-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hydrodynamiskt_tryck" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Hydrodynamiskt_tryck"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Hydrodynamiskt tryck</span> </div> </a> <ul id="toc-Hydrodynamiskt_tryck-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Trycket_för_en_ideal_gas" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Trycket_för_en_ideal_gas"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Trycket för en ideal gas</span> </div> </a> <ul id="toc-Trycket_för_en_ideal_gas-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Samband_mellan_enheter_för_tryck" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Samband_mellan_enheter_för_tryck"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Samband mellan enheter för tryck</span> </div> </a> <ul id="toc-Samband_mellan_enheter_för_tryck-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Se_även" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Se_även"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Se även</span> </div> </a> <ul id="toc-Se_även-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referenser" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referenser"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Referenser</span> </div> </a> <button aria-controls="toc-Referenser-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Växla underavsnittet Referenser</span> </button> <ul id="toc-Referenser-sublist" class="vector-toc-list"> <li id="toc-Noter" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Noter"> <div class="vector-toc-text"> <span class="vector-toc-numb">8.1</span> <span>Noter</span> </div> </a> <ul id="toc-Noter-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Innehåll" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Innehållsförteckning" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Växla innehållsförteckningen" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Växla innehållsförteckningen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Tryck</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Gå till en artikel på ett annat språk. Tillgänglig på 112 språk" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-112" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">112 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Druk" title="Druk – afrikaans" lang="af" hreflang="af" data-title="Druk" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Druck_(Physik)" title="Druck (Physik) – schweizertyska" lang="gsw" hreflang="gsw" data-title="Druck (Physik)" data-language-autonym="Alemannisch" data-language-local-name="schweizertyska" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B6%D8%BA%D8%B7" title="ضغط – arabiska" lang="ar" hreflang="ar" data-title="ضغط" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Presi%C3%B3n" title="Presión – asturiska" lang="ast" hreflang="ast" data-title="Presión" data-language-autonym="Asturianu" data-language-local-name="asturiska" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/T%C9%99zyiq" title="Təzyiq – azerbajdzjanska" lang="az" hreflang="az" data-title="Təzyiq" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzjanska" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A8%D8%A7%D8%B3%D9%82%DB%8C" title="باسقی – South Azerbaijani" lang="azb" hreflang="azb" data-title="باسقی" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%9A%E0%A6%BE%E0%A6%AA" title="চাপ – bengali" lang="bn" hreflang="bn" data-title="চাপ" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Ap-le%CC%8Dk" title="Ap-le̍k – min nan" lang="nan" hreflang="nan" data-title="Ap-le̍k" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A6%D1%96%D1%81%D0%BA" title="Ціск – belarusiska" lang="be" hreflang="be" data-title="Ціск" data-language-autonym="Беларуская" data-language-local-name="belarusiska" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A6%D1%96%D1%81%D0%BA" title="Ціск – belarusiska (tarasjkevitsa)" lang="be-tarask" hreflang="be-tarask" data-title="Ціск" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusiska (tarasjkevitsa)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Presyon" title="Presyon – Central Bikol" lang="bcl" hreflang="bcl" data-title="Presyon" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9D%D0%B0%D0%BB%D1%8F%D0%B3%D0%B0%D0%BD%D0%B5" title="Налягане – bulgariska" lang="bg" hreflang="bg" data-title="Налягане" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Pritisak" title="Pritisak – bosniska" lang="bs" hreflang="bs" data-title="Pritisak" data-language-autonym="Bosanski" data-language-local-name="bosniska" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Pressi%C3%B3" title="Pressió – katalanska" lang="ca" hreflang="ca" data-title="Pressió" data-language-autonym="Català" data-language-local-name="katalanska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Tlak" title="Tlak – tjeckiska" lang="cs" hreflang="cs" data-title="Tlak" data-language-autonym="Čeština" data-language-local-name="tjeckiska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Puresha" title="Puresha – shona" lang="sn" hreflang="sn" data-title="Puresha" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Gwasgedd" title="Gwasgedd – walesiska" lang="cy" hreflang="cy" data-title="Gwasgedd" data-language-autonym="Cymraeg" data-language-local-name="walesiska" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Tryk_(fysik)" title="Tryk (fysik) – danska" lang="da" hreflang="da" data-title="Tryk (fysik)" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B6%D8%BA%D8%B7" title="ضغط – marockansk arabiska" lang="ary" hreflang="ary" data-title="ضغط" data-language-autonym="الدارجة" data-language-local-name="marockansk arabiska" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Druck_(Physik)" title="Druck (Physik) – tyska" lang="de" hreflang="de" data-title="Druck (Physik)" data-language-autonym="Deutsch" data-language-local-name="tyska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/R%C3%B5hk" title="Rõhk – estniska" lang="et" hreflang="et" data-title="Rõhk" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CE%AF%CE%B5%CF%83%CE%B7" title="Πίεση – grekiska" lang="el" hreflang="el" data-title="Πίεση" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Pressure" title="Pressure – engelska" lang="en" hreflang="en" data-title="Pressure" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-myv mw-list-item"><a href="https://myv.wikipedia.org/wiki/%D0%9B%D0%B5%D0%BF%D1%88%D1%82%D1%8F%D0%BC%D0%BE" title="Лепштямо – erjya" lang="myv" hreflang="myv" data-title="Лепштямо" data-language-autonym="Эрзянь" data-language-local-name="erjya" class="interlanguage-link-target"><span>Эрзянь</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Presi%C3%B3n" title="Presión – spanska" lang="es" hreflang="es" data-title="Presión" data-language-autonym="Español" data-language-local-name="spanska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Premo" title="Premo – esperanto" lang="eo" hreflang="eo" data-title="Premo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Presio" title="Presio – baskiska" lang="eu" hreflang="eu" data-title="Presio" data-language-autonym="Euskara" data-language-local-name="baskiska" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%81%D8%B4%D8%A7%D8%B1" title="فشار – persiska" lang="fa" hreflang="fa" data-title="فشار" data-language-autonym="فارسی" data-language-local-name="persiska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Pression" title="Pression – franska" lang="fr" hreflang="fr" data-title="Pression" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Br%C3%BA" title="Brú – iriska" lang="ga" hreflang="ga" data-title="Brú" data-language-autonym="Gaeilge" data-language-local-name="iriska" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Presi%C3%B3n" title="Presión – galiciska" lang="gl" hreflang="gl" data-title="Presión" data-language-autonym="Galego" data-language-local-name="galiciska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%95%EB%A0%A5" title="압력 – koreanska" lang="ko" hreflang="ko" data-title="압력" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%83%D5%B6%D5%B7%D5%B8%D6%82%D5%B4" title="Ճնշում – armeniska" lang="hy" hreflang="hy" data-title="Ճնշում" data-language-autonym="Հայերեն" data-language-local-name="armeniska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A6%E0%A4%BE%E0%A4%AC" title="दाब – hindi" lang="hi" hreflang="hi" data-title="दाब" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Tlak" title="Tlak – kroatiska" lang="hr" hreflang="hr" data-title="Tlak" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Preso" title="Preso – ido" lang="io" hreflang="io" data-title="Preso" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Tekanan" title="Tekanan – indonesiska" lang="id" hreflang="id" data-title="Tekanan" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Pression" title="Pression – interlingua" lang="ia" hreflang="ia" data-title="Pression" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Pressione" title="Pressione – italienska" lang="it" hreflang="it" data-title="Pressione" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9C%D7%97%D7%A5" title="לחץ – hebreiska" lang="he" hreflang="he" data-title="לחץ" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%92%E0%B2%A4%E0%B3%8D%E0%B2%A4%E0%B2%A1" title="ಒತ್ತಡ – kannada" lang="kn" hreflang="kn" data-title="ಒತ್ತಡ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-krc mw-list-item"><a href="https://krc.wikipedia.org/wiki/%D0%91%D0%B0%D1%81%D1%8B%D0%BC" title="Басым – karachay-balkar" lang="krc" hreflang="krc" data-title="Басым" data-language-autonym="Къарачай-малкъар" data-language-local-name="karachay-balkar" class="interlanguage-link-target"><span>Къарачай-малкъар</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%AC%E1%83%9C%E1%83%94%E1%83%95%E1%83%90" title="წნევა – georgiska" lang="ka" hreflang="ka" data-title="წნევა" data-language-autonym="ქართული" data-language-local-name="georgiska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ks mw-list-item"><a href="https://ks.wikipedia.org/wiki/%D8%AF%D9%8E%D8%A8%D8%A7%D9%88" title="دَباو – kashmiriska" lang="ks" hreflang="ks" data-title="دَباو" data-language-autonym="कॉशुर / کٲشُر" data-language-local-name="kashmiriska" class="interlanguage-link-target"><span>कॉशुर / کٲشُر</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D2%9A%D1%8B%D1%81%D1%8B%D0%BC" title="Қысым – kazakiska" lang="kk" hreflang="kk" data-title="Қысым" data-language-autonym="Қазақша" data-language-local-name="kazakiska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Shinikizo" title="Shinikizo – swahili" lang="sw" hreflang="sw" data-title="Shinikizo" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Presyon" title="Presyon – haitiska" lang="ht" hreflang="ht" data-title="Presyon" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitiska" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%91%D0%B0%D1%81%D1%8B%D0%BC_(%D1%84%D0%B8%D0%B7%D0%B8%D0%BA%D0%B0%D0%BB%D1%8B%D0%BA)" title="Басым (физикалык) – kirgiziska" lang="ky" hreflang="ky" data-title="Басым (физикалык)" data-language-autonym="Кыргызча" data-language-local-name="kirgiziska" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Pressio" title="Pressio – latin" lang="la" hreflang="la" data-title="Pressio" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Spiediens" title="Spiediens – lettiska" lang="lv" hreflang="lv" data-title="Spiediens" data-language-autonym="Latviešu" data-language-local-name="lettiska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Sl%C4%97gis" title="Slėgis – litauiska" lang="lt" hreflang="lt" data-title="Slėgis" data-language-autonym="Lietuvių" data-language-local-name="litauiska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Dr%C3%B6k" title="Drök – limburgiska" lang="li" hreflang="li" data-title="Drök" data-language-autonym="Limburgs" data-language-local-name="limburgiska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Nyom%C3%A1s" title="Nyomás – ungerska" lang="hu" hreflang="hu" data-title="Nyomás" data-language-autonym="Magyar" data-language-local-name="ungerska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D1%80%D0%B8%D1%82%D0%B8%D1%81%D0%BE%D0%BA" title="Притисок – makedonska" lang="mk" hreflang="mk" data-title="Притисок" data-language-autonym="Македонски" data-language-local-name="makedonska" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Tsindry_(fizika)" title="Tsindry (fizika) – malagassiska" lang="mg" hreflang="mg" data-title="Tsindry (fizika)" data-language-autonym="Malagasy" data-language-local-name="malagassiska" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AE%E0%B5%BC%E0%B4%A6%E0%B5%8D%E0%B4%A6%E0%B4%82" title="മർദ്ദം – malayalam" lang="ml" hreflang="ml" data-title="മർദ്ദം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%A6%E0%A4%BE%E0%A4%AC" title="दाब – marathi" lang="mr" hreflang="mr" data-title="दाब" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-mzn mw-list-item"><a href="https://mzn.wikipedia.org/wiki/%D8%B3%DB%8C%D8%A8" title="سیب – mazanderani" lang="mzn" hreflang="mzn" data-title="سیب" data-language-autonym="مازِرونی" data-language-local-name="mazanderani" class="interlanguage-link-target"><span>مازِرونی</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Tekanan" title="Tekanan – malajiska" lang="ms" hreflang="ms" data-title="Tekanan" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%94%D0%B0%D1%80%D0%B0%D0%BB%D1%82" title="Даралт – mongoliska" lang="mn" hreflang="mn" data-title="Даралт" data-language-autonym="Монгол" data-language-local-name="mongoliska" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%96%E1%80%AD%E1%80%A1%E1%80%AC%E1%80%B8" title="ဖိအား – burmesiska" lang="my" hreflang="my" data-title="ဖိအား" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesiska" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Druk_(grootheid)" title="Druk (grootheid) – nederländska" lang="nl" hreflang="nl" data-title="Druk (grootheid)" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%9A%E0%A4%BE%E0%A4%AA" title="चाप – nepalesiska" lang="ne" hreflang="ne" data-title="चाप" data-language-autonym="नेपाली" data-language-local-name="nepalesiska" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%9A%E0%A4%BE%E0%A4%AA" title="चाप – newariska" lang="new" hreflang="new" data-title="चाप" data-language-autonym="नेपाल भाषा" data-language-local-name="newariska" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%9C%A7%E5%8A%9B" title="圧力 – japanska" lang="ja" hreflang="ja" data-title="圧力" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Druk" title="Druk – nordfrisiska" lang="frr" hreflang="frr" data-title="Druk" data-language-autonym="Nordfriisk" data-language-local-name="nordfrisiska" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Trykk" title="Trykk – norskt bokmål" lang="nb" hreflang="nb" data-title="Trykk" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Trykk" title="Trykk – nynorska" lang="nn" hreflang="nn" data-title="Trykk" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Pression" title="Pression – occitanska" lang="oc" hreflang="oc" data-title="Pression" data-language-autonym="Occitan" data-language-local-name="occitanska" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Dhiibbaa" title="Dhiibbaa – oromo" lang="om" hreflang="om" data-title="Dhiibbaa" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Bosim" title="Bosim – uzbekiska" lang="uz" hreflang="uz" data-title="Bosim" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekiska" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-blk mw-list-item"><a href="https://blk.wikipedia.org/wiki/%E1%80%90%E1%80%AD%E1%80%80%E1%80%BA%EA%A9%BB%E1%80%94%E1%80%BB%EA%A9%BB%E1%80%A1%E1%80%AC%E1%82%8F" title="တိက်ꩻနျꩻအာႏ – Pa'O" lang="blk" hreflang="blk" data-title="တိက်ꩻနျꩻအာႏ" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa'O" class="interlanguage-link-target"><span>ပအိုဝ်ႏဘာႏသာႏ</span></a></li><li class="interlanguage-link interwiki-pap mw-list-item"><a href="https://pap.wikipedia.org/wiki/Preshon" title="Preshon – papiamento" lang="pap" hreflang="pap" data-title="Preshon" data-language-autonym="Papiamentu" data-language-local-name="papiamento" class="interlanguage-link-target"><span>Papiamentu</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Pression" title="Pression – piemontesiska" lang="pms" hreflang="pms" data-title="Pression" data-language-autonym="Piemontèis" data-language-local-name="piemontesiska" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Druck_(Physik)" title="Druck (Physik) – lågtyska" lang="nds" hreflang="nds" data-title="Druck (Physik)" data-language-autonym="Plattdüütsch" data-language-local-name="lågtyska" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ci%C5%9Bnienie" title="Ciśnienie – polska" lang="pl" hreflang="pl" data-title="Ciśnienie" data-language-autonym="Polski" data-language-local-name="polska" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Press%C3%A3o" title="Pressão – portugisiska" lang="pt" hreflang="pt" data-title="Pressão" data-language-autonym="Português" data-language-local-name="portugisiska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Presiune" title="Presiune – rumänska" lang="ro" hreflang="ro" data-title="Presiune" data-language-autonym="Română" data-language-local-name="rumänska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/%C3%91it%27iy" title="Ñit'iy – quechua" lang="qu" hreflang="qu" data-title="Ñit'iy" data-language-autonym="Runa Simi" data-language-local-name="quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%94%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5" title="Давление – ryska" lang="ru" hreflang="ru" data-title="Давление" data-language-autonym="Русский" data-language-local-name="ryska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Pressur" title="Pressur – skotska" lang="sco" hreflang="sco" data-title="Pressur" data-language-autonym="Scots" data-language-local-name="skotska" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Shtypja" title="Shtypja – albanska" lang="sq" hreflang="sq" data-title="Shtypja" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Prissioni" title="Prissioni – sicilianska" lang="scn" hreflang="scn" data-title="Prissioni" data-language-autonym="Sicilianu" data-language-local-name="sicilianska" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%B4%E0%B7%93%E0%B6%A9%E0%B6%B1%E0%B6%BA" title="පීඩනය – singalesiska" lang="si" hreflang="si" data-title="පීඩනය" data-language-autonym="සිංහල" data-language-local-name="singalesiska" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Pressure" title="Pressure – Simple English" lang="en-simple" hreflang="en-simple" data-title="Pressure" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%AF%D9%BB%D8%A7%D8%A1%D9%8F_(%D9%81%D8%B2%DA%AA%D8%B3)" title="دٻاءُ (فزڪس) – sindhi" lang="sd" hreflang="sd" data-title="دٻاءُ (فزڪس)" data-language-autonym="سنڌي" data-language-local-name="sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Tlak" title="Tlak – slovakiska" lang="sk" hreflang="sk" data-title="Tlak" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Tlak" title="Tlak – slovenska" lang="sl" hreflang="sl" data-title="Tlak" data-language-autonym="Slovenščina" data-language-local-name="slovenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Cadaadis" title="Cadaadis – somaliska" lang="so" hreflang="so" data-title="Cadaadis" data-language-autonym="Soomaaliga" data-language-local-name="somaliska" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%BE%DB%95%D8%B3%D8%AA%D8%A7%D9%86" title="پەستان – centralkurdiska" lang="ckb" hreflang="ckb" data-title="پەستان" data-language-autonym="کوردی" data-language-local-name="centralkurdiska" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D1%80%D0%B8%D1%82%D0%B8%D1%81%D0%B0%D0%BA" title="Притисак – serbiska" lang="sr" hreflang="sr" data-title="Притисак" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Tlak" title="Tlak – serbokroatiska" lang="sh" hreflang="sh" data-title="Tlak" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Tekenan" title="Tekenan – sundanesiska" lang="su" hreflang="su" data-title="Tekenan" data-language-autonym="Sunda" data-language-local-name="sundanesiska" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Paine" title="Paine – finska" lang="fi" hreflang="fi" data-title="Paine" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Presyon" title="Presyon – tagalog" lang="tl" hreflang="tl" data-title="Presyon" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%B4%E0%AF%81%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%AE%E0%AF%8D" title="அழுத்தம் – tamil" lang="ta" hreflang="ta" data-title="அழுத்தம்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Adad" title="Adad – kabyliska" lang="kab" hreflang="kab" data-title="Adad" data-language-autonym="Taqbaylit" data-language-local-name="kabyliska" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%91%D0%B0%D1%81%D1%8B%D0%BC" title="Басым – tatariska" lang="tt" hreflang="tt" data-title="Басым" data-language-autonym="Татарча / tatarça" data-language-local-name="tatariska" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AA%E0%B1%80%E0%B0%A1%E0%B0%A8%E0%B0%82" title="పీడనం – telugu" lang="te" hreflang="te" data-title="పీడనం" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%94%E0%B8%B1%E0%B8%99" title="ความดัน – thailändska" lang="th" hreflang="th" data-title="ความดัน" data-language-autonym="ไทย" data-language-local-name="thailändska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Bas%C4%B1n%C3%A7" title="Basınç – turkiska" lang="tr" hreflang="tr" data-title="Basınç" data-language-autonym="Türkçe" data-language-local-name="turkiska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A2%D0%B8%D1%81%D0%BA" title="Тиск – ukrainska" lang="uk" hreflang="uk" data-title="Тиск" data-language-autonym="Українська" data-language-local-name="ukrainska" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%AF%D8%A8%D8%A7%D8%A4" title="دباؤ – urdu" lang="ur" hreflang="ur" data-title="دباؤ" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D8%A8%DB%90%D8%B3%D9%89%D9%85" title="بېسىم – uiguriska" lang="ug" hreflang="ug" data-title="بېسىم" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="uiguriska" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C3%81p_su%E1%BA%A5t" title="Áp suất – vietnamesiska" lang="vi" hreflang="vi" data-title="Áp suất" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesiska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E5%A3%93%E5%BC%B7" title="壓強 – litterär kineiska" lang="lzh" hreflang="lzh" data-title="壓強" data-language-autonym="文言" data-language-local-name="litterär kineiska" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Presyon" title="Presyon – waray" lang="war" hreflang="war" data-title="Presyon" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%8E%8B%E5%BC%BA" title="压强 – wu" lang="wuu" hreflang="wuu" data-title="压强" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%93%D7%A8%D7%95%D7%A7" title="דרוק – jiddisch" lang="yi" hreflang="yi" data-title="דרוק" data-language-autonym="ייִדיש" data-language-local-name="jiddisch" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%A3%93%E5%8A%9B" title="壓力 – kantonesiska" lang="yue" hreflang="yue" data-title="壓力" data-language-autonym="粵語" data-language-local-name="kantonesiska" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%8E%8B%E5%BC%BA" title="压强 – kinesiska" lang="zh" hreflang="zh" data-title="压强" data-language-autonym="中文" data-language-local-name="kinesiska" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-bew mw-list-item"><a href="https://bew.wikipedia.org/wiki/Tekenan" title="Tekenan – betawiska" lang="bew" hreflang="bew" data-title="Tekenan" data-language-autonym="Betawi" data-language-local-name="betawiska" class="interlanguage-link-target"><span>Betawi</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q39552#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namnrymder"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Tryck" title="Visa innehållssidan [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Diskussion:Tryck" rel="discussion" title="Diskussion om innehållssidan [t]" accesskey="t"><span>Diskussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Ändra språkvariant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">svenska</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visningar"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Tryck"><span>Läs</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Tryck&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Tryck&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Tryck&action=history" title="Tidigare versioner av sidan [h]" accesskey="h"><span>Visa historik</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Verktyg" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Verktyg</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Verktyg</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">dölj</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Fler alternativ" > <div class="vector-menu-heading"> Åtgärder </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Tryck"><span>Läs</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Tryck&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Tryck&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Tryck&action=history"><span>Visa historik</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Allmänt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:L%C3%A4nkar_hit/Tryck" title="Lista över alla wikisidor som länkar hit [j]" accesskey="j"><span>Sidor som länkar hit</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Senaste_relaterade_%C3%A4ndringar/Tryck" rel="nofollow" title="Visa senaste ändringarna av sidor som den här sidan länkar till [k]" accesskey="k"><span>Relaterade ändringar</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Tryck&oldid=53972279" title="Permanent länk till den här versionen av sidan"><span>Permanent länk</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Tryck&action=info" title="Mer information om denna sida"><span>Sidinformation</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citera&page=Tryck&id=53972279&wpFormIdentifier=titleform" title="Information om hur den här artikeln kan användas som referens"><span>Använd som referens</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FTryck"><span>Hämta förkortad url</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FTryck"><span>Ladda ner QR-kod</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Skriv ut/exportera </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Bok&bookcmd=book_creator&referer=Tryck"><span>Skapa en bok</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Tryck&action=show-download-screen"><span>Ladda ned som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Tryck&printable=yes" title="Utskriftsvänlig version av den här sidan [p]" accesskey="p"><span>Utskriftsvänlig version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> På andra projekt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Pressure" hreflang="en"><span>Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q39552" title="Länk till anslutet databasobjekt [g]" accesskey="g"><span>Wikidata-objekt</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Utseende"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Utseende</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">dölj</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Från Wikipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="sv" dir="ltr"><dl class="noexcerpt dablink"><dd><i>För andra betydelser, se <a href="/wiki/Tryck_(olika_betydelser)" class="mw-disambig" title="Tryck (olika betydelser)">Tryck (olika betydelser)</a>.</i></dd></dl> <style data-mw-deduplicate="TemplateStyles:r53696904">.mw-parser-output .infobox{border:1px solid #aaa;background-color:#f9f9f9;color:black;margin:.5em 0 .5em 1em;padding:.2em;float:right;clear:right;width:22em;text-align:left;font-size:88%;line-height:1.6em}.mw-parser-output .infobox td,.mw-parser-output .infobox th{vertical-align:top;padding:0 .2em}.mw-parser-output .infobox caption{font-size:larger}.mw-parser-output .infobox.bordered{border-collapse:collapse}.mw-parser-output .infobox.bordered td,.mw-parser-output .infobox.bordered th{border:1px solid #aaa}.mw-parser-output .infobox.bordered .borderless td,.mw-parser-output .infobox.bordered .borderless th{border:0}.mw-parser-output .infobox-showbutton button,.mw-parser-output .infobox-showbutton .mw-collapsible-text{color:inherit}.mw-parser-output .infobox.bordered .mergedtoprow td,.mw-parser-output .infobox.bordered .mergedtoprow th{border:0;border-top:1px solid #aaa;border-right:1px solid #aaa}.mw-parser-output .infobox.bordered .mergedrow td,.mw-parser-output .infobox.bordered .mergedrow th{border:0;border-right:1px solid #aaa}.mw-parser-output .infobox.geography{border:1px solid #ccd2d9;text-align:left;border-collapse:collapse;line-height:1.2em;font-size:90%}.mw-parser-output .infobox.geography td,.mw-parser-output .infobox.geography th{border-top:solid 1px #ccd2d9;padding:0.4em 0.6em 0.4em 0.6em}.mw-parser-output .infobox.geography .mergedtoprow td,.mw-parser-output .infobox.geography .mergedtoprow th{border-top:solid 1px #ccd2d9;padding:0.4em 0.6em 0.2em 0.6em}.mw-parser-output .infobox.geography .mergedrow td,.mw-parser-output .infobox.geography .mergedrow th{border:0;padding:0 0.6em 0.2em 0.6em}.mw-parser-output .infobox.geography .mergedbottomrow td,.mw-parser-output .infobox.geography .mergedbottomrow th{border-top:0;border-bottom:solid 1px #ccd2d9;padding:0 0.6em 0.4em 0.6em}.mw-parser-output .infobox.geography .maptable td,.mw-parser-output .infobox.geography .maptable th{border:0;padding:0}</style><table class="infobox" style="border-spacing:3px;"><tbody><tr><td colspan="2" class="" style="padding:2px; text-align:center; font-size: 125%; font-weight: bold; background:#ABCDEF;">Tryck</td></tr><tr><td colspan="2" class="" style="text-align:center;"> <span typeof="mw:File"><a href="/wiki/Fil:Pressure_exerted_by_collisions.svg" class="mw-file-description" title="Pressure exerted by collisions.svg"><img alt="Pressure exerted by collisions.svg" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/Pressure_exerted_by_collisions.svg/200px-Pressure_exerted_by_collisions.svg.png" decoding="async" width="200" height="177" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/Pressure_exerted_by_collisions.svg/300px-Pressure_exerted_by_collisions.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/94/Pressure_exerted_by_collisions.svg/400px-Pressure_exerted_by_collisions.svg.png 2x" data-file-width="246" data-file-height="218" /></a></span> <div style="">Tryck utövat av gasmolekyler inuti en sluten volym</div></td></tr><tr><th colspan="2" style="text-align:center;background:#ABCDEF;">Grundläggande</th></tr><tr><th style="text-align:left;"><a href="/wiki/Definition" title="Definition">Definition</a></th><td class="" style=""><a href="/wiki/Kraft" title="Kraft">Kraft</a> per <a href="/wiki/Areaenhet" title="Areaenhet">areaenhet</a></td></tr><tr><th style="text-align:left;"><a href="/wiki/Storhet" title="Storhet">Storhetssymbol(er)</a></th><td class="" style=""><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle p}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>p</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle p}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/81eac1e205430d1f40810df36a0edffdc367af36" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-left: -0.089ex; width:1.259ex; height:2.009ex;" alt="{\displaystyle p}" /></span></td></tr><tr><th style="text-align:left;">Härledningar från andra storheter</th><td class="" style=""><i>p</i> = <a href="/wiki/Kraft" title="Kraft">F</a> / <a href="/wiki/Area" title="Area">A</a></td></tr><tr><th colspan="2" style="text-align:center;background:#ABCDEF;">Enheter</th></tr><tr><th style="text-align:left;"><a href="/wiki/SI-enhet" title="SI-enhet">SI-enhet</a></th><td class="" style=""><a href="/wiki/Pascal_(m%C3%A5ttenhet)" class="mw-redirect" title="Pascal (måttenhet)">Pa</a>  = <a href="/wiki/Newton_(enhet)" title="Newton (enhet)">N</a>/<a href="/wiki/Kvadratmeter" title="Kvadratmeter">m</a><sup>2</sup> = <a href="/wiki/Kilogram" title="Kilogram">kg</a>·<a href="/wiki/Meter" title="Meter">m</a><sup>-1</sup>·<a href="/wiki/Sekund" title="Sekund">s</a><sup>-2</sup></td></tr><tr><th style="text-align:left;"><a href="/wiki/Dimensionsanalys" title="Dimensionsanalys">SI-dimension</a></th><td class="" style=""><a href="/wiki/Massa" title="Massa">M</a>·<a href="/wiki/L%C3%A4ngd" title="Längd">L</a><sup>−1</sup>·<a href="/wiki/Tid" title="Tid">T</a><sup>−2</sup></td></tr><tr><th style="text-align:left;"><a href="/wiki/CGS-enhet" class="mw-redirect" title="CGS-enhet">CGS-enhet</a></th><td class="" style=""><a href="/wiki/Bar_(m%C3%A5ttenhet)" title="Bar (måttenhet)">Bar</a> = <a href="/wiki/Dyn_(enhet)" title="Dyn (enhet)">dyn</a>/<a href="/wiki/Centimeter" title="Centimeter">cm</a><sup>2</sup> = cm<sup>−1</sup>·g·s<sup>−2</sup></td></tr></tbody></table> <p><b>Tryck</b> är kraft per areaenhet som verkar i varje punkt inuti gaser och vätskor och även vinkelrätt mot angränsande fasta kroppars ytor, till exempel kärlets väggar.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Tryck kan definieras som <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle p={\frac {F}{A}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>p</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>F</mi> <mi>A</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle p={\frac {F}{A}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b2f127feccc050bed7157fa2e0176bdcda790951" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; margin-left: -0.089ex; width:6.937ex; height:5.343ex;" alt="{\displaystyle p={\frac {F}{A}}}" /></span> eller <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle p={\frac {dF_{n}}{dA}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>p</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>d</mi> <msub> <mi>F</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>n</mi> </mrow> </msub> </mrow> <mrow> <mi>d</mi> <mi>A</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle p={\frac {dF_{n}}{dA}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bf785a2b321233ef9f41c696da6bf6607c9f1097" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; margin-left: -0.089ex; width:9.122ex; height:5.509ex;" alt="{\displaystyle p={\frac {dF_{n}}{dA}}}" /></span> </p><p>där <i>p</i> är trycket, <i>F</i> är kraften och <i>A</i> areans storlek. <a href="/wiki/SI-enhet" title="SI-enhet">SI-enheten</a> för tryck är <a href="/wiki/Pascal_(m%C3%A5ttenhet)" class="mw-redirect" title="Pascal (måttenhet)">pascal</a> (1 Pa = 1 <a href="/wiki/Newton_(enhet)" title="Newton (enhet)">newton</a> per kvadratmeter, N/m²). </p><p>Då 1 pascal är ett mycket litet tryck används ofta multipelenheter som till exempel <a href="/wiki/HPa" class="mw-redirect" title="HPa">hPa</a>, <a href="/wiki/KPa" class="mw-redirect" title="KPa">kPa</a> och <a href="/wiki/MPa" class="mw-redirect" title="MPa">MPa</a>. Av historiska och praktiska skäl förekommer ytterligare enheter som <a href="/wiki/Bar_(m%C3%A5ttenhet)" title="Bar (måttenhet)">bar</a>, <a href="/wiki/Psi_(tryckenhet)" title="Psi (tryckenhet)">psi</a>, <a href="/wiki/MmHg" title="MmHg">mmHg</a>, <a href="/wiki/Torr" class="mw-redirect" title="Torr">torr</a>, <a href="/wiki/MVp" class="mw-redirect" title="MVp">mVp</a>, <a href="/wiki/MmVp" class="mw-redirect" title="MmVp">mmVp</a>, <a href="/wiki/Kilopond" title="Kilopond">kp</a>/cm<sup>2</sup> eller <a href="/wiki/Atmosf%C3%A4r_(tryckenhet)" title="Atmosfär (tryckenhet)">atm</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Mätning_och_angivelse_av_tryck"><span id="M.C3.A4tning_och_angivelse_av_tryck"></span>Mätning och angivelse av tryck</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tryck&veaction=edit&section=1" title="Redigera avsnitt: Mätning och angivelse av tryck" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tryck&action=edit&section=1" title="Redigera avsnitts källkod: Mätning och angivelse av tryck"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Tryck kan anges på två olika sätt: som <a href="/wiki/Absoluttryck" class="mw-redirect" title="Absoluttryck">absoluttryck</a> eller tryck relativt omgivningen (över- eller undertryck). Om omgivningen är <a href="/wiki/Jordens_atmosf%C3%A4r" title="Jordens atmosfär">jordens atmosfär</a> vid havsytan kommer de två sätten att ange tryck att skilja sig med atmosfärstrycket, normalt cirka 1 bar. </p><p>Instrument för att mäta tryck mäter ofta trycket relativt omgivande atmosfär, och anger därför tryck som över- eller undertryck relativt omgivande tryck. Påfrestningarna i ett trycksatt system bestäms av tryckskillnaden relativt omgivningen, och anges därför ofta som övertryck. </p><p>Egenskaper hos en vätska eller gas (<a href="/wiki/Kokpunkt" title="Kokpunkt">kokpunkt</a>, densitet, <a href="/wiki/Entalpi" title="Entalpi">entalpi</a>) beror av absoluttrycket, men detta är svårt att mäta då instrumenteringen då behöver ett <a href="/wiki/Vakuum" title="Vakuum">vakuum</a> som referens. Därför mäts tryck normalt i övertryck, men räknas om till absoluttryck vid termodynamiska analyser. </p><p>Om exempelvis omgivningens tryck på mätinstrumentets referenssida uppgår till 1 <a href="/wiki/Bar_(m%C3%A5ttenhet)" title="Bar (måttenhet)">bar</a>,a (absoluttryck), och trycket till exempel inuti en tryckluftstank uppgår till 10 bar,a så kommer instrumentet som mäter tryckluftstankens tryck att visa 9 bar,ö (svensk notation, internationellt används såväl är bar,e som bar,g). </p><p>Instrument för mätning av tryck är <a href="/wiki/Barometer" title="Barometer">barometer</a> och <a href="/wiki/Manometer" title="Manometer">manometer</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Lufttryck">Lufttryck</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tryck&veaction=edit&section=2" title="Redigera avsnitt: Lufttryck" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tryck&action=edit&section=2" title="Redigera avsnitts källkod: Lufttryck"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="noprint huvudartikel hatnote" style="font-style:italic;"> <dl><dd>Huvudartikel: <a href="/wiki/Lufttryck" title="Lufttryck">Lufttryck</a></dd></dl></div> <p>Lufttrycket är det tryck atmosfären åstadkommer och lufttrycket avtar ungefär exponentiellt med höjden. Försök har gjorts att bestämma ett <a href="/wiki/Medelv%C3%A4rde" title="Medelvärde">medelvärde</a> för lufttrycket vid havsytan i olika standarder, exempelvis <a href="/wiki/Standardtryck_och_-temperatur" class="mw-redirect" title="Standardtryck och -temperatur">STP</a> och NTP. I dessa standarder anges det normala lufttrycket vid havsytan som 1 atm, det vill säga 101,325 kPa. </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:AirPressure.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/AirPressure.png/260px-AirPressure.png" decoding="async" width="260" height="210" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/AirPressure.png/390px-AirPressure.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fe/AirPressure.png/520px-AirPressure.png 2x" data-file-width="800" data-file-height="647" /></a><figcaption>Atmosfärens tryck som funktion av höjden över havet</figcaption></figure> <p>Som modeller för att beräkna trycket i atmosfären under 86 km finns två ekvationer som bygger på fördefinierade parametrar. Den första ekvationen används när den hastighet med vilken atmosfärens <a href="/wiki/Temperatur" title="Temperatur">temperatur</a> ändras med ökningen av höjden (en. <i>lapse rate</i>) är skild från noll och den andra ekvationen används då denna hastighet är noll. Ekvationen då hastigheten är nollskild </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {P}=P_{b}\cdot \left[{\frac {T_{b}}{T_{b}+L_{b}\cdot (h-h_{b})}}\right]^{\textstyle {\frac {g_{0}\cdot M}{R^{*}\cdot L_{b}}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi>P</mi> </mrow> <mo>=</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> <mo>⋅</mo> <msup> <mrow> <mo>[</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msub> <mi>T</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> <mrow> <msub> <mi>T</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> <mo>+</mo> <msub> <mi>L</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> <mo>⋅</mo> <mo stretchy="false">(</mo> <mi>h</mi> <mo>−</mo> <msub> <mi>h</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> <mo stretchy="false">)</mo> </mrow> </mfrac> </mrow> <mo>]</mo> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msub> <mi>g</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mo>⋅</mo> <mi>M</mi> </mrow> <mrow> <msup> <mi>R</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>∗</mo> </mrow> </msup> <mo>⋅</mo> <msub> <mi>L</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> </mrow> </mfrac> </mrow> </mstyle> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {P}=P_{b}\cdot \left[{\frac {T_{b}}{T_{b}+L_{b}\cdot (h-h_{b})}}\right]^{\textstyle {\frac {g_{0}\cdot M}{R^{*}\cdot L_{b}}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e363f986334fd93291552eadd3e9a100b7ce2d45" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.671ex; width:35.305ex; height:8.176ex;" alt="{\displaystyle {P}=P_{b}\cdot \left[{\frac {T_{b}}{T_{b}+L_{b}\cdot (h-h_{b})}}\right]^{\textstyle {\frac {g_{0}\cdot M}{R^{*}\cdot L_{b}}}}}" /></span></dd></dl> <p>och då hastigheten är noll </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P=P_{b}\cdot \exp \left[{\frac {-g_{0}\cdot M\cdot (h-h_{b})}{R^{*}\cdot T_{b}}}\right]}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>P</mi> <mo>=</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> <mo>⋅</mo> <mi>exp</mi> <mo>⁡</mo> <mrow> <mo>[</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mo>−</mo> <msub> <mi>g</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mo>⋅</mo> <mi>M</mi> <mo>⋅</mo> <mo stretchy="false">(</mo> <mi>h</mi> <mo>−</mo> <msub> <mi>h</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> <mo stretchy="false">)</mo> </mrow> <mrow> <msup> <mi>R</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>∗</mo> </mrow> </msup> <mo>⋅</mo> <msub> <mi>T</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> </mrow> </mfrac> </mrow> <mo>]</mo> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P=P_{b}\cdot \exp \left[{\frac {-g_{0}\cdot M\cdot (h-h_{b})}{R^{*}\cdot T_{b}}}\right]}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4fba1b5af4f6ebe93e2c4e2e78cca45efb6f69d4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:33.833ex; height:6.343ex;" alt="{\displaystyle P=P_{b}\cdot \exp \left[{\frac {-g_{0}\cdot M\cdot (h-h_{b})}{R^{*}\cdot T_{b}}}\right]}" /></span></dd></dl> <p>där indexet <i>b</i> varierar från 0 till 6 och betecknar de sju lägsta lagren i atmosfären vilkas höjder är 0, 11, 20, 32, 47, 51 och 71 kilometer och där </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{b}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P_{b}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/92b684b99147aa175db98057461b2dc2653f704e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.43ex; height:2.509ex;" alt="{\displaystyle P_{b}}" /></span> = statiska trycket (<a href="/wiki/Pascal_(enhet)" title="Pascal (enhet)">pascal</a>)</dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle T_{b}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>T</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle T_{b}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/74c8b2d230dda9ccb7e55c237c918a935037c9d1" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.295ex; height:2.509ex;" alt="{\displaystyle T_{b}}" /></span> = standardtemperaturen (<a href="/wiki/Kelvin" title="Kelvin">K</a>), den antagna temperaturen som funktion av luftlagrets höjd</dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle L_{b}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>L</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle L_{b}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c3c329e421a62c4d4f0b24faa03f451908bad311" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.52ex; height:2.509ex;" alt="{\displaystyle L_{b}}" /></span> = standardtemperaturens <i>lapse rate</i> (K/m) i <a href="/wiki/ISA" class="mw-redirect" title="ISA">ISA</a></dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle h}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>h</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle h}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b26be3e694314bc90c3215047e4a2010c6ee184a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.339ex; height:2.176ex;" alt="{\displaystyle h}" /></span> = höjd över havet (meter)</dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle h_{b}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>h</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>b</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle h_{b}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/140aec52ffb1fd0966772704b2fe00827cdefa13" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.277ex; height:2.509ex;" alt="{\displaystyle h_{b}}" /></span> = höjden för understa delen av luftlagret <i>b</i> (meter)</dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle R^{*}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>R</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>∗</mo> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle R^{*}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7a74b1bc0fa98794b6460254044f8e7b75e6d84f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.818ex; height:2.343ex;" alt="{\displaystyle R^{*}}" /></span> = <a href="/wiki/Allm%C3%A4nna_gaskonstanten" title="Allmänna gaskonstanten">gaskonstanten</a> för luft: 8.31432 N·m /(mol·K)</dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle g_{0}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>g</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle g_{0}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/32d13273b9af4564fa2c421c96d039c414db8628" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.163ex; height:2.009ex;" alt="{\displaystyle g_{0}}" /></span> = den antagna tyngdaccelerationen (9.80665 m/s<sup>2</sup>)</dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle M}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>M</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f82cade9898ced02fdd08712e5f0c0151758a0dd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.442ex; height:2.176ex;" alt="{\displaystyle M}" /></span> = massan per mol för jordens atmosfär (0.0289644 kg/mol)</dd></dl> <div class="mw-heading mw-heading2"><h2 id="Hydrostatiskt_tryck">Hydrostatiskt tryck</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tryck&veaction=edit&section=3" title="Redigera avsnitt: Hydrostatiskt tryck" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tryck&action=edit&section=3" title="Redigera avsnitts källkod: Hydrostatiskt tryck"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:ALVIN_submersible.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/ALVIN_submersible.jpg/190px-ALVIN_submersible.jpg" decoding="async" width="190" height="245" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/ALVIN_submersible.jpg/285px-ALVIN_submersible.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/ALVIN_submersible.jpg/380px-ALVIN_submersible.jpg 2x" data-file-width="930" data-file-height="1197" /></a><figcaption><a href="/wiki/Undervattensfarkost" title="Undervattensfarkost">Undervattensfarkoster</a> måste kunna stå emot stora tryck</figcaption></figure> <p>Med det hydrostatiska trycket avses det tryck som en vätska (vanligtvis <a href="/wiki/Vatten" title="Vatten">vatten</a>) orsakar. </p><p>Under vattenytan ökar trycket med en bar (cirka 100 kPa) för var tionde meter. </p><p>Det totala trycket som råder i en bestämd punkt på jorden är summan av lufttrycket och det eventuella hydrostatiska trycket. </p><p>Antag en vattenpelare, som sträcker sig från en vattenyta och ned till ett djup <i>h</i>. Vattenpelaren åstadkommer ett tryck på sin bottenarea <i>A</i> som är </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{h}={\frac {m\,g}{A}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>h</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>m</mi> <mspace width="thinmathspace"></mspace> <mi>g</mi> </mrow> <mi>A</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P_{h}={\frac {m\,g}{A}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/08a518881d6ba5252d6760c25080aea126179da8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:10.149ex; height:5.009ex;" alt="{\displaystyle P_{h}={\frac {m\,g}{A}}}" /></span></dd></dl> <p>där <i>P</i><sub>h</sub> är det hydrostatiska trycket, <i>m</i> är vattnets <a href="/wiki/Massa" title="Massa">massa</a> och <i>g</i> <a href="/wiki/Tyngdacceleration" title="Tyngdacceleration">tyngdaccelerationen</a>. En kropps massa kan skrivas som </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m=\rho \,V}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>m</mi> <mo>=</mo> <mi>ρ</mi> <mspace width="thinmathspace"></mspace> <mi>V</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m=\rho \,V}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/23e88e4ee32a59e9d1c64e4fea470d032185a870" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:8.515ex; height:2.676ex;" alt="{\displaystyle m=\rho \,V}" /></span></dd></dl> <p>där ρ är <a href="/wiki/Densitet" title="Densitet">densiteten</a> och <i>V</i> är <a href="/wiki/Volym" title="Volym">volymen</a>, vilket ger </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{h}={\frac {\rho \,V\,g}{A}}={\frac {\rho \,A\,h\,g}{A}}=\rho \,h\,g}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>h</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>ρ</mi> <mspace width="thinmathspace"></mspace> <mi>V</mi> <mspace width="thinmathspace"></mspace> <mi>g</mi> </mrow> <mi>A</mi> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>ρ</mi> <mspace width="thinmathspace"></mspace> <mi>A</mi> <mspace width="thinmathspace"></mspace> <mi>h</mi> <mspace width="thinmathspace"></mspace> <mi>g</mi> </mrow> <mi>A</mi> </mfrac> </mrow> <mo>=</mo> <mi>ρ</mi> <mspace width="thinmathspace"></mspace> <mi>h</mi> <mspace width="thinmathspace"></mspace> <mi>g</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P_{h}={\frac {\rho \,V\,g}{A}}={\frac {\rho \,A\,h\,g}{A}}=\rho \,h\,g}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/33ce8049a688a766b713f4fc7b06bdfa0c4388a5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:29.511ex; height:5.676ex;" alt="{\displaystyle P_{h}={\frac {\rho \,V\,g}{A}}={\frac {\rho \,A\,h\,g}{A}}=\rho \,h\,g}" /></span></dd></dl> <p>Det totala trycket vid ett bestämt djup ges då av </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{tot}=P_{0}+P_{h}=P_{0}+\rho \,g\,h}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>t</mi> <mi>o</mi> <mi>t</mi> </mrow> </msub> <mo>=</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>h</mi> </mrow> </msub> <mo>=</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mo>+</mo> <mi>ρ</mi> <mspace width="thinmathspace"></mspace> <mi>g</mi> <mspace width="thinmathspace"></mspace> <mi>h</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P_{tot}=P_{0}+P_{h}=P_{0}+\rho \,g\,h}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0dda9b15562932cfb6f47727db2a5ef95a89cdb6" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:27.782ex; height:2.676ex;" alt="{\displaystyle P_{tot}=P_{0}+P_{h}=P_{0}+\rho \,g\,h}" /></span></dd></dl> <p>där <i>P</i><sub>0</sub> är lufttrycket. </p> <div class="mw-heading mw-heading2"><h2 id="Hydrodynamiskt_tryck">Hydrodynamiskt tryck</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tryck&veaction=edit&section=4" title="Redigera avsnitt: Hydrodynamiskt tryck" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tryck&action=edit&section=4" title="Redigera avsnitts källkod: Hydrodynamiskt tryck"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Med det hydrodynamiska trycket avses den <a href="/wiki/R%C3%B6relseenergi" class="mw-redirect" title="Rörelseenergi">rörelseenergi</a> per <a href="/wiki/Volymenhet" title="Volymenhet">volymenhet</a> som vatten och andra inkompressibla fluider har vid strömningar i <a href="/wiki/R%C3%B6rstr%C3%B6mning" title="Rörströmning">rör</a> och <a href="/wiki/Kanalstr%C3%B6mning" title="Kanalströmning">kanaler</a>. </p><p>Den klassiska formen för <a href="/wiki/R%C3%B6relseenergi" class="mw-redirect" title="Rörelseenergi">rörelseenergi</a> <i>E</i> brukar skrivas </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle E={\dfrac {m\cdot u^{2}}{2}}={\dfrac {V\cdot \rho \cdot u^{2}}{2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>E</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mfrac> <mrow> <mi>m</mi> <mo>⋅</mo> <msup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mn>2</mn> </mfrac> </mstyle> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mfrac> <mrow> <mi>V</mi> <mo>⋅</mo> <mi>ρ</mi> <mo>⋅</mo> <msup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mn>2</mn> </mfrac> </mstyle> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle E={\dfrac {m\cdot u^{2}}{2}}={\dfrac {V\cdot \rho \cdot u^{2}}{2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/41f69ee3f83cd3b31d1ade20a13b88e7897f61b3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:24.48ex; height:5.676ex;" alt="{\displaystyle E={\dfrac {m\cdot u^{2}}{2}}={\dfrac {V\cdot \rho \cdot u^{2}}{2}}}" /></span></dd></dl> <p>Genom att dividera fluidens totala rörelseenergi <i>E</i> med dess volym <i>V</i>, erhålls det hydrodynamiska trycket <i>P</i><sub>d</sub> enligt </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{d}={\dfrac {E}{V}}={\dfrac {m\cdot u^{2}}{2\cdot V}}={\dfrac {\rho \cdot u^{2}}{2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>d</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mfrac> <mi>E</mi> <mi>V</mi> </mfrac> </mstyle> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mfrac> <mrow> <mi>m</mi> <mo>⋅</mo> <msup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mrow> <mn>2</mn> <mo>⋅</mo> <mi>V</mi> </mrow> </mfrac> </mstyle> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mfrac> <mrow> <mi>ρ</mi> <mo>⋅</mo> <msup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mn>2</mn> </mfrac> </mstyle> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P_{d}={\dfrac {E}{V}}={\dfrac {m\cdot u^{2}}{2\cdot V}}={\dfrac {\rho \cdot u^{2}}{2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bbe2b4db85757815ab7a3fe49eda2bc902098441" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:27.544ex; height:5.843ex;" alt="{\displaystyle P_{d}={\dfrac {E}{V}}={\dfrac {m\cdot u^{2}}{2\cdot V}}={\dfrac {\rho \cdot u^{2}}{2}}}" /></span></dd></dl> <p>och <a href="/wiki/SI-enhet" title="SI-enhet">SI-enheten</a> för det hydrodynamiska trycket blir <a href="/wiki/Pascal_(enhet)" title="Pascal (enhet)">Pascal</a>. </p><p>För en ideal inkompressibel <a href="/wiki/Fluid" title="Fluid">fluid</a> som passerar genom en plan sektionsförändring, blir summan av det hydrostatiska och hydrodynamiska trycket konstant, det vill säga </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{h,1}+P_{d,1}=P_{h,2}+P_{d,2}\quad \Rightarrow \quad P_{h,1}-P_{h,2}=P_{d,2}-P_{d,1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>h</mi> <mo>,</mo> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>d</mi> <mo>,</mo> <mn>1</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>h</mi> <mo>,</mo> <mn>2</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>d</mi> <mo>,</mo> <mn>2</mn> </mrow> </msub> <mspace width="1em"></mspace> <mo stretchy="false">⇒</mo> <mspace width="1em"></mspace> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>h</mi> <mo>,</mo> <mn>1</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>h</mi> <mo>,</mo> <mn>2</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>d</mi> <mo>,</mo> <mn>2</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>d</mi> <mo>,</mo> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P_{h,1}+P_{d,1}=P_{h,2}+P_{d,2}\quad \Rightarrow \quad P_{h,1}-P_{h,2}=P_{d,2}-P_{d,1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/43d6e626d9a1ab6554c830bb4b8d0ce6fa583dcb" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:57.075ex; height:2.843ex;" alt="{\displaystyle P_{h,1}+P_{d,1}=P_{h,2}+P_{d,2}\quad \Rightarrow \quad P_{h,1}-P_{h,2}=P_{d,2}-P_{d,1}}" /></span></dd></dl> <p>där <i>P</i><sub>h</sub> är hydrostatiskt tryck och <i>P</i><sub>d</sub> är hydrodynamiskt tryck. I verkligheten sker alltid en <a href="/wiki/Till%C3%A4ggsf%C3%B6rlust" title="Tilläggsförlust">tilläggsförlust</a> (h<sub>t</sub>) vid alla sektionsförändringar, varför uttrycket då skrivs </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{h,1}+P_{d,1}=P_{h,2}+P_{d,2}+h_{t}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>h</mi> <mo>,</mo> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>d</mi> <mo>,</mo> <mn>1</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>h</mi> <mo>,</mo> <mn>2</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>d</mi> <mo>,</mo> <mn>2</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>h</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>t</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P_{h,1}+P_{d,1}=P_{h,2}+P_{d,2}+h_{t}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c6e94363cb50845f3faad9653eb12db3c2f0461f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:29.413ex; height:2.843ex;" alt="{\displaystyle P_{h,1}+P_{d,1}=P_{h,2}+P_{d,2}+h_{t}}" /></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Trycket_för_en_ideal_gas"><span id="Trycket_f.C3.B6r_en_ideal_gas"></span>Trycket för en ideal gas</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tryck&veaction=edit&section=5" title="Redigera avsnitt: Trycket för en ideal gas" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tryck&action=edit&section=5" title="Redigera avsnitts källkod: Trycket för en ideal gas"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="noprint huvudartikel hatnote" style="font-style:italic;"> <dl><dd>Huvudartikel: <a href="/wiki/Ideala_gaslagen" title="Ideala gaslagen">Ideala gaslagen</a></dd></dl></div> <p>För en <a href="/wiki/Ideal_gas" title="Ideal gas">ideal gas</a>, antas att molekylerna saknar volym och att den enda växelverkan som förekommer är elastiska kollisioner med andra gasmolekyler eller med eventuella kärlväggar som innesluter gasen. Trycket antas variera linjärt med temperatur, volym och mängd i enlighet med den <a href="/wiki/Ideala_gaslagen" title="Ideala gaslagen">ideala gaslagen</a> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle p={\frac {nRT}{V}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>p</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>n</mi> <mi>R</mi> <mi>T</mi> </mrow> <mi>V</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle p={\frac {nRT}{V}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ba95b750112d10ce635627e9e2f19eb92ef743aa" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; margin-left: -0.089ex; width:9.988ex; height:5.343ex;" alt="{\displaystyle p={\frac {nRT}{V}}}" /></span></dd></dl> <p>där </p> <dl><dd><i>p</i>: gasens absoluta tryck</dd> <dd><i>n</i>: <a href="/wiki/Substansm%C3%A4ngd" title="Substansmängd">substansmängden</a> (ämnesmängden)</dd> <dd><i>T</i>: den absoluta temperaturen</dd> <dd><i>V</i>: volymen</dd> <dd><i>R</i>: <a href="/wiki/Allm%C3%A4nna_gaskonstanten" title="Allmänna gaskonstanten">allmänna gaskonstanten</a></dd></dl> <p>En verklig gas uppvisar ett mer komplext beroende av gasens tillståndsparametrar. <sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Samband_mellan_enheter_för_tryck"><span id="Samband_mellan_enheter_f.C3.B6r_tryck"></span>Samband mellan enheter för tryck</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tryck&veaction=edit&section=6" title="Redigera avsnitt: Samband mellan enheter för tryck" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tryck&action=edit&section=6" title="Redigera avsnitts källkod: Samband mellan enheter för tryck"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable" style="font-size:95%;text-align:center;"> <tbody><tr> <th colspan="8">Omvandlingstabell för tryckenheter </th></tr> <tr style="vertical-align:bottom;"> <th rowspan="2" style="vertical-align:middle;" width="9%"> <span class="noprint plainlinks" style="white-space:nowrap; font-weight:normal; font-size:80%; ;"><a href="/wiki/Mall:Tryckenheter" title="Mall:Tryckenheter"><span title="Visa denna mall" style=";">v</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:Tryckenheter&action=edit"><span style=";" title="Redigera den här mallen">r</span></a></span>  </th> <th width="13%"><a href="/wiki/Pascal_(enhet)" title="Pascal (enhet)">Pascal</a> </th> <th width="13%"><a href="/wiki/Bar_(m%C3%A5ttenhet)" title="Bar (måttenhet)">bar (a)</a> </th> <th width="13%"><a href="/wiki/Atmosf%C3%A4r_(tryckenhet)" title="Atmosfär (tryckenhet)">Atmosfär</a> </th> <th width="13%">Teknisk atmosfär </th> <th width="13%"><a href="/wiki/MmHg" title="MmHg">Torr</a> </th> <th width="13%"><a href="/wiki/Psi_(tryckenhet)" title="Psi (tryckenhet)">Skålpunds-kraft<br />per kvadrattum</a> </th> <th width="13%"><a href="/wiki/Centimeter_vattenpelare" title="Centimeter vattenpelare">cm vattenpelare</a> </th></tr> <tr> <th>[Pa] </th> <th>[bar] </th> <th>[atm] </th> <th>[at] </th> <th>[Torr]≈[mmHg] </th> <th>[psi] </th> <th>[cmH<sub>2</sub>O] </th></tr> <tr> <th>1 Pa </th> <td>≡ 1 <a href="/wiki/Newton_(enhet)" title="Newton (enhet)">N</a>/m<sup>2</sup> </td> <td>10<sup>−5</sup> </td> <td>9,8692×10<sup>−6</sup> </td> <td>1,0197×10<sup>−5</sup> </td> <td>7,5006×10<sup>−3</sup> </td> <td>145,04×10<sup>−6</sup> </td> <td>0,0101972 </td></tr> <tr> <th>1 bar (a) </th> <td>100 000 </td> <td>≡ 10<sup>6</sup> <a href="/wiki/Dyn_(enhet)" title="Dyn (enhet)">dyn</a>/cm<sup>2</sup> </td> <td>0,98692 </td> <td>1,0197 </td> <td>750,06 </td> <td>14,5037744 </td> <td>1019,72 </td></tr> <tr> <th>1 atm </th> <td>101 325 </td> <td>1,01325 </td> <td>≡ 1 <a href="/wiki/Atmosf%C3%A4r_(tryckenhet)" title="Atmosfär (tryckenhet)">atm</a> </td> <td>1,0332 </td> <td>760 </td> <td>14,696 </td> <td>1033,23 </td></tr> <tr> <th>1 at </th> <td>98 066,5 </td> <td>0,980665 </td> <td>0,96784 </td> <td>≡ 1 <a href="/wiki/Kilopond" title="Kilopond">kgf</a>/cm<sup>2</sup> </td> <td>735,56 </td> <td>14,223 </td> <td>1000,02 </td></tr> <tr> <th>1 Torr </th> <td>133,322 </td> <td>1,3332×10<sup>−3</sup> </td> <td>1,3158×10<sup>−3</sup> </td> <td>1,3595×10<sup>−3</sup> </td> <td>≡ 1 Torr; ≈ 1 <a href="/wiki/MmHg" title="MmHg">mmHg</a> </td> <td>19,337×10<sup>−3</sup> </td> <td>1,35951 </td></tr> <tr> <th>1 psi </th> <td>6,894×10<sup>3</sup> </td> <td>68,948×10<sup>−3</sup> </td> <td>68,046×10<sup>−3</sup> </td> <td>70,307×10<sup>−3</sup> </td> <td>51,715 </td> <td>≡ 1 <a href="/w/index.php?title=Sk%C3%A5lpund-kraft&action=edit&redlink=1" class="new" title="Skålpund-kraft [inte skriven än]">lbf</a>/<a href="/wiki/Tum" title="Tum">tum</a><sup>2</sup> </td> <td>70,3072 </td></tr> <tr> <th>1 cmH<sub>2</sub>O </th> <td>98,0665 </td> <td>0,980665×10<sup>−3</sup> </td> <td>0,967838×10<sup>−3</sup> </td> <td>9,99984×10<sup>−4</sup> </td> <td>0,73556 </td> <td>0,0142233 </td> <td>≡ 1 cmH<sub>2</sub>O </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Se_även"><span id="Se_.C3.A4ven"></span>Se även</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tryck&veaction=edit&section=7" title="Redigera avsnitt: Se även" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tryck&action=edit&section=7" title="Redigera avsnitts källkod: Se även"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Storleksordningar_f%C3%B6r_tryck" title="Storleksordningar för tryck">Storleksordningar för tryck</a></li> <li><a href="/wiki/Tryckpotential" title="Tryckpotential">Tryckpotential</a></li> <li><a href="/wiki/Hastighetspotential" title="Hastighetspotential">Hastighetspotential</a></li> <li><a href="/wiki/Osmotiskt_tryck" title="Osmotiskt tryck">Osmotiskt tryck</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Referenser">Referenser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tryck&veaction=edit&section=8" title="Redigera avsnitt: Referenser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tryck&action=edit&section=8" title="Redigera avsnitts källkod: Referenser"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Noter">Noter</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Tryck&veaction=edit&section=9" title="Redigera avsnitt: Noter" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Tryck&action=edit&section=9" title="Redigera avsnitts källkod: Noter"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">^</a> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.rosekamp.dk/Nordstedts_All/nordstedts_T_Text.pdf">Norstedts uppslagsbok 1948</a></span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text">P. Atkins, J. de Paula <i>Elements of Physical Chemistry</i>, 4th Ed, W.H. Freeman, 2006. <a href="/wiki/Special:Bokk%C3%A4llor/0-7167-7329-5" title="Special:Bokkällor/0-7167-7329-5">ISBN 0-7167-7329-5</a>.</span> </li> </ol></div>    </div><noscript><img src="https://auth.wikimedia.org/loginwiki/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Hämtad från ”<a dir="ltr" href="https://sv.wikipedia.org/w/index.php?title=Tryck&oldid=53972279">https://sv.wikipedia.org/w/index.php?title=Tryck&oldid=53972279</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Wikipedia:Kategorier" title="Wikipedia:Kategorier">Kategorier</a>: <ul><li><a href="/wiki/Kategori:Fysikaliska_storheter" title="Kategori:Fysikaliska storheter">Fysikaliska storheter</a></li><li><a href="/wiki/Kategori:Mekanik" title="Kategori:Mekanik">Mekanik</a></li><li><a href="/wiki/Kategori:Termodynamik" title="Kategori:Termodynamik">Termodynamik</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Sidan redigerades senast den 29 september 2023 kl. 05.34.</li> <li id="footer-info-copyright">Wikipedias text är tillgänglig under licensen <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.sv">Creative Commons Erkännande-dela-lika 4.0 Unported</a>. För bilder, se respektive bildsida (klicka på bilden). Se vidare <a href="/wiki/Wikipedia:Upphovsr%C3%A4tt" title="Wikipedia:Upphovsrätt">Wikipedia:Upphovsrätt</a> och <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">användarvillkor</a>.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Wikimedias integritetspolicy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:Om">Om Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:Allm%C3%A4nt_f%C3%B6rbeh%C3%A5ll">Förbehåll</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Uppförandekod</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Utvecklare</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/sv.wikipedia.org">Statistik</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Information om kakor</a></li> <li id="footer-places-mobileview"><a href="//sv.m.wikipedia.org/w/index.php?title=Tryck&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobilvy</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://www.wikimedia.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/static/images/footer/wikimedia-button.svg" width="84" height="29"><img src="/static/images/footer/wikimedia.svg" width="25" height="25" alt="Wikimedia Foundation" lang="en" loading="lazy"></picture></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><picture><source media="(min-width: 500px)" srcset="/w/resources/assets/poweredby_mediawiki.svg" width="88" height="31"><img src="/w/resources/assets/mediawiki_compact.svg" alt="Powered by MediaWiki" lang="en" width="25" height="25" loading="lazy"></picture></a></li> </ul> </footer> </div> </div> </div> <div class="vector-header-container vector-sticky-header-container"> <div id="vector-sticky-header" class="vector-sticky-header"> <div class="vector-sticky-header-start"> <div class="vector-sticky-header-icon-start vector-button-flush-left vector-button-flush-right" aria-hidden="true"> <button class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-sticky-header-search-toggle" tabindex="-1" data-event-name="ui.vector-sticky-search-form.icon"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Sök</span> </button> </div> <div role="search" class="vector-search-box-vue vector-search-box-show-thumbnail vector-search-box"> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail"> <form action="/w/index.php" id="vector-sticky-search-form" class="cdx-search-input cdx-search-input--has-end-button"> <div class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Sök på Wikipedia"> <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Sök"> </div> <button class="cdx-button cdx-search-input__end-button">Sök</button> </form> </div> </div> </div> <div class="vector-sticky-header-context-bar"> <nav aria-label="Innehåll" class="vector-toc-landmark"> <div id="vector-sticky-header-toc" class="vector-dropdown mw-portlet mw-portlet-sticky-header-toc vector-sticky-header-toc vector-button-flush-left" > <input type="checkbox" id="vector-sticky-header-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-sticky-header-toc" class="vector-dropdown-checkbox " aria-label="Växla innehållsförteckningen" > <label id="vector-sticky-header-toc-label" for="vector-sticky-header-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Växla innehållsförteckningen</span> </label> <div class="vector-dropdown-content"> <div id="vector-sticky-header-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div class="vector-sticky-header-context-bar-primary" aria-hidden="true" ><span class="mw-page-title-main">Tryck</span></div> </div> </div> <div class="vector-sticky-header-end" aria-hidden="true"> <div class="vector-sticky-header-icons"> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-talk-sticky-header" tabindex="-1" data-event-name="talk-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbles mw-ui-icon-wikimedia-speechBubbles"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-subject-sticky-header" tabindex="-1" data-event-name="subject-sticky-header"><span class="vector-icon mw-ui-icon-article mw-ui-icon-wikimedia-article"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-history-sticky-header" tabindex="-1" data-event-name="history-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-history mw-ui-icon-wikimedia-wikimedia-history"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only mw-watchlink" id="ca-watchstar-sticky-header" tabindex="-1" data-event-name="watch-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-star mw-ui-icon-wikimedia-wikimedia-star"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-ve-edit-sticky-header" tabindex="-1" data-event-name="ve-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-edit mw-ui-icon-wikimedia-wikimedia-edit"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-edit-sticky-header" tabindex="-1" data-event-name="wikitext-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-wikiText mw-ui-icon-wikimedia-wikimedia-wikiText"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>112 språk</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Nytt ämne</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="mw-portlet mw-portlet-dock-bottom emptyPortlet" id="p-dock-bottom"> <ul> </ul> </div> <script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-fb96cc848-bkvxn","wgBackendResponseTime":142,"wgPageParseReport":{"limitreport":{"cputime":"0.155","walltime":"0.514","ppvisitednodes":{"value":2753,"limit":1000000},"postexpandincludesize":{"value":11308,"limit":2097152},"templateargumentsize":{"value":3537,"limit":2097152},"expansiondepth":{"value":10,"limit":100},"expensivefunctioncount":{"value":1,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":3910,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 116.695 1 -total"," 63.44% 74.030 1 Mall:Fysikalisk_storhet"," 60.48% 70.576 1 Mall:Faktamall"," 15.42% 17.993 1 Mall:Olika_betydelser"," 13.30% 15.522 1 Mall:PAGENAMEBASE"," 10.24% 11.952 1 Mall:Tryckenheter"," 6.72% 7.838 1 Mall:Navbar"," 4.32% 5.041 1 Mall:ISBN"," 3.95% 4.609 2 Mall:Huvudartikel"," 2.95% 3.446 2 Mall:Transkludera"]},"scribunto":{"limitreport-timeusage":{"value":"0.004","limit":"10.000"},"limitreport-memusage":{"value":665888,"limit":52428800}},"cachereport":{"origin":"mw-web.eqiad.main-5f99b7fc9d-wm4xt","timestamp":"20250319092656","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Tryck","url":"https:\/\/sv.wikipedia.org\/wiki\/Tryck","sameAs":"http:\/\/www.wikidata.org\/entity\/Q39552","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q39552","author":{"@type":"Organization","name":"Bidragsgivare till Wikimedia-projekten"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2004-04-16T21:11:31Z","dateModified":"2023-09-29T03:34:45Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/9\/94\/Pressure_exerted_by_collisions.svg","headline":"detta \u00e4r molekyler som r\u00f6r p\u00e5 sig"}</script> </body> </html>