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About: Hypervelocity

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href="/sparql/" title="Switch to /sparql endpoint"><i class="bi-box-arrow-up-right"></i> Sparql Endpoint </a> </li> </ul> </div> </div> </nav> <div style="margin-bottom: 60px"></div> <!-- /navbar --> <!-- page-header --> <section> <div class="container-xl"> <div class="row"> <div class="col"> <h1 id="title" class="display-6"><b>About:</b> <a href="http://dbpedia.org/resource/Hypervelocity">Hypervelocity</a> </h1> </div> </div> <div class="row"> <div class="col"> <div class="text-muted"> <span class="text-nowrap">An Entity of Type: <a href="http://www.w3.org/2002/07/owl#Thing">Thing</a>, </span> <span class="text-nowrap">from Named Graph: <a href="http://dbpedia.org">http://dbpedia.org</a>, </span> <span class="text-nowrap">within Data Space: <a href="http://dbpedia.org">dbpedia.org</a></span> </div> </div> </div> <div class="row pt-2"> <div class="col-xs-9 col-sm-10"> <p class="lead">Hypervelocity is very high velocity, approximately over 3,000 meters per second (6,700 mph, 11,000 km/h, 10,000 ft/s, or Mach 8.8). In particular, hypervelocity is velocity so high that the strength of materials upon impact is very small compared to inertial stresses. Thus, metals and fluids behave alike under hypervelocity impact. Extreme hypervelocity results in vaporization of the impactor and target. For structural metals, hypervelocity is generally considered to be over 2,500 m/s (5,600 mph, 9,000 km/h, 8,200 ft/s, or Mach 7.3). Meteorite craters are also examples of hypervelocity impacts.</p> </div> <div class="col-xs-3 col-sm-2"> <a href="#" class="thumbnail"> <img src="http://commons.wikimedia.org/wiki/Special:FilePath/Hypervelocity_Impact_Demonstration.jpg?width=300" alt="thumbnail" class="img-fluid" /> </a> </div> </div> </div> </section> <!-- page-header --> <!-- property-table --> <section> <div class="container-xl"> <div class="row"> <div class="table-responsive"> <table class="table table-hover table-sm table-light"> <thead> <tr> <th class="col-xs-3 ">Property</th> <th class="col-xs-9 px-3">Value</th> </tr> </thead> <tbody> <tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/abstract"><small>dbo:</small>abstract</a> </td><td class="col-10 text-break"><ul> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="ca" >La hipervelocitat és velocitat molt alta, aproximadament més de 3.000 m/s (11.000 km/h o Mach 8,8). En particular, la hipervelocitat és tan elevada que la força que pateixen els materials quan impacten és molt petita en comparació amb les tensions inercials que pateixen durant la hipervelocitat. Així, fins i tot els metalls es comporten com a fluids sota un impacte hiperveloç. La hipervelocitat extrema provoca la vaporització de l&#39; i l&#39;objectiu. Per als metalls estructurals, la hipervelocitat generalment es considera que és més de 2.500 m/s (9.000 km/h o Mach 7,3). Els cràters de meteorits són també exemples d&#39;impactes d&#39;hipervelocitat.</span><small> (ca)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="ar" >السرعة الفائقة هي سرعة مرتفعة جدا حوالي أكثر من 3000 متر في الثانية (6,700 ميلا في الساعة، أو 11,000 كم/ساعة، أو 10,000 متر/ثانية أو ماخ 8.8). خاصة السرعة الفائقة هي سرعة عالية جدا لدرجة أن قوة المواد تحت أثر الاصطدام تصبح صغيرة جدا مقارنة بضغط القصور الذاتي. ولذا، فحتى المعادن تتصرف مثل السوائل تحت التأثير السرعة الفائقة. تؤدي السرعة الفائقة للغاية إلى تبخر كل من الصادم والهدف. بالنسبة إلى المعادن الهيكلية، تعتبر السرعة الفائقة عموما أن تكون أكثر من 2500 م/ث (5,600 ميلا في الساعة، أو 9,000 كم/ساعة، أو 8,200 قدم/ث أو ماخ 7.3). حفر النيازك تعتبر أمثلة لآثار اصطدام السرعة الفائقة.</span><small> (ar)</small></span></li> <li><span class="literal"><span property="dbo:abstract" lang="en" >Hypervelocity is very high velocity, approximately over 3,000 meters per second (6,700 mph, 11,000 km/h, 10,000 ft/s, or Mach 8.8). In particular, hypervelocity is velocity so high that the strength of materials upon impact is very small compared to inertial stresses. Thus, metals and fluids behave alike under hypervelocity impact. Extreme hypervelocity results in vaporization of the impactor and target. For structural metals, hypervelocity is generally considered to be over 2,500 m/s (5,600 mph, 9,000 km/h, 8,200 ft/s, or Mach 7.3). Meteorite craters are also examples of hypervelocity impacts.</span><small> (en)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="fr" >Le terme hypervitesse fait habituellement référence à une très grande vitesse, approximativement supérieure à 3 000 m/s (soit 11 000 km/h, ou encore Mach 8,8). En particulier, il fait référence à des vitesses si élevées que, lors d&#39;un impact, la résistance des matériaux est très faible par rapport aux contraintes dues à l&#39;inertie. Ainsi, même les métaux se comportent comme des fluides lors d&#39;un impact à hypervitesse. Lors d&#39;une collision à ce niveau de vitesse, l&#39;impacteur et la cible se vaporisent. Pour les métaux de structures, l&#39;hypervitesse commence à partir de 2 500 m/s (9 000 km/h ou Mach 7,3). Les cratères dus aux météorites sont aussi des exemples d&#39;impacts à hypervitesse. L&#39;hypervitesse se produit habituellement pendant les pluies de météores et les rentrées depuis l&#39;espace lointain, comme lors des programmes Zond, Apollo et Luna. Compte tenu de l&#39;imprévisibilité des trajectoires et du calendrier des météores, les capsules spatiales ont été les premières possibilités de collecte de données pour l&#39;étude des matériaux de protection thermique à très haute vitesse (dans ce contexte, hypervitesse est définie comme étant supérieure à la vitesse de libération). Compte tenu de la rareté des possibilités d&#39;observation de ce genre depuis les années 1970, les rentrées des sondes Genesis et la récente Stardust, ainsi que les rentrées de la prochaine rentrée de la sonde Hayabusa ont/vont donner lieu à des campagnes d&#39;observation, notamment au centre de recherche Ames de la NASA. Les collisions à très grande vitesse peuvent être étudiées en examinant les résultats de collisions survenant naturellement (entre micrométéorites et les vaisseaux spatiaux, ou entre les météorites et les corps planétaires), ou ils peuvent être réalisés en laboratoire. À l&#39;heure actuelle le principal outil pour expériences en laboratoire est un canon à gaz léger, mais quelques expériences ont utilisé des moteurs linéaires pour accélérer des projectiles jusqu&#39;à l&#39;hypervitesse. Les propriétés des métaux sous hypervitesse ont été utilisées dans des armes, comme des explosifs de pénétration. La vaporisation à l&#39;impact et la liquéfaction des surfaces permettent aux projectiles métalliques, formés sous des forces générées par l&#39;hypervitesse, de mieux pénétrer les blindages des véhicules que les obus classiques. Le site d&#39;essai de White Sands est une installation de la NASA qui effectue, entre autres essais, des expériences d&#39;impact sous hypervitesse afin d&#39;étudier l&#39;effet des impacts de débris orbitaux et de micrométéorites sur les engins spatiaux. Cela permet d&#39;améliorer les mesures de protection pour les missions spatiales. Les chercheurs de White Sands utilisent des canons à gaz léger à deux étages pour accélérer des projectiles à des vitesses extrêmes.</span><small> (fr)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="pt" >O termo hipervelocidade é uma velocidade muito alta, aproximadamente acima de 3 000 metros por segundo (6 700 mph, 11 000 km/h, 10 000 pés/s ou Mach 8.8). Em particular, a hipervelocidade é a velocidade tão alta que a resistência dos materiais no impacto é muito pequena em comparação com as tensões inerciais. Assim, metais e fluidos se comportam da mesma forma sob impacto de hipervelocidade. A hipervelocidade extrema resulta na vaporização do impactador e do alvo. Para metais estruturais, a hipervelocidade é geralmente considerada superior a 2 500 m/s (5 600 mph, 9 000 km/h, 8 200 pés/s ou Mach 7.3). Crateras de meteorito também são exemplos de impactos de hipervelocidade.</span><small> (pt)</small></span></li> <li style="display:none;"><span class="literal"><span property="dbo:abstract" lang="zh" >超高速(英語:Hypervelocity)是指一个非常高的速度,一般超过3,000m/s(6,700mph,11,000km/h,10,000ft/s,或8.8马赫)。 在超高速的速度下发生碰撞时,材料的强度与相比会变得非常小。因此,金属在超高速撞击下,会表现得像流体一样。非常极端的超高速会导致撞击物和目标的蒸发。 对于结构性金属,一般认为超过2,500m/s(5,600mph,9,000km/h,8,200ft/s或7.3马赫)就是超高速。陨石坑就是超高速撞击的例子。</span><small> (zh)</small></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/thumbnail"><small>dbo:</small>thumbnail</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="dbo:thumbnail" resource="http://commons.wikimedia.org/wiki/Special:FilePath/Hypervelocity_Impact_Demonstration.jpg?width=300" 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resource="http://dbpedia.org/resource/Category:Physical_quantities" prefix="dcterms: http://purl.org/dc/terms/" href="http://dbpedia.org/resource/Category:Physical_quantities"><small>dbc</small>:Physical_quantities</a></span></li> <li><span class="literal"><a class="uri" rel="dcterms:subject" resource="http://dbpedia.org/resource/Category:Materials_science" prefix="dcterms: http://purl.org/dc/terms/" href="http://dbpedia.org/resource/Category:Materials_science"><small>dbc</small>:Materials_science</a></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://www.w3.org/1999/02/22-rdf-syntax-ns#type"><small>rdf:</small>type</a> </td><td class="col-10 text-break"><ul> <li><span class="literal"><a class="uri" rel="rdf:type" resource="http://www.w3.org/2002/07/owl#Thing" href="http://www.w3.org/2002/07/owl#Thing"><small>owl</small>:Thing</a></span></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://www.w3.org/2000/01/rdf-schema#comment"><small>rdfs:</small>comment</a> </td><td class="col-10 text-break"><ul> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="ar" >السرعة الفائقة هي سرعة مرتفعة جدا حوالي أكثر من 3000 متر في الثانية (6,700 ميلا في الساعة، أو 11,000 كم/ساعة، أو 10,000 متر/ثانية أو ماخ 8.8). خاصة السرعة الفائقة هي سرعة عالية جدا لدرجة أن قوة المواد تحت أثر الاصطدام تصبح صغيرة جدا مقارنة بضغط القصور الذاتي. ولذا، فحتى المعادن تتصرف مثل السوائل تحت التأثير السرعة الفائقة. تؤدي السرعة الفائقة للغاية إلى تبخر كل من الصادم والهدف. بالنسبة إلى المعادن الهيكلية، تعتبر السرعة الفائقة عموما أن تكون أكثر من 2500 م/ث (5,600 ميلا في الساعة، أو 9,000 كم/ساعة، أو 8,200 قدم/ث أو ماخ 7.3). حفر النيازك تعتبر أمثلة لآثار اصطدام السرعة الفائقة.</span><small> (ar)</small></span></li> <li><span class="literal"><span property="rdfs:comment" lang="en" >Hypervelocity is very high velocity, approximately over 3,000 meters per second (6,700 mph, 11,000 km/h, 10,000 ft/s, or Mach 8.8). In particular, hypervelocity is velocity so high that the strength of materials upon impact is very small compared to inertial stresses. Thus, metals and fluids behave alike under hypervelocity impact. Extreme hypervelocity results in vaporization of the impactor and target. For structural metals, hypervelocity is generally considered to be over 2,500 m/s (5,600 mph, 9,000 km/h, 8,200 ft/s, or Mach 7.3). Meteorite craters are also examples of hypervelocity impacts.</span><small> (en)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="pt" >O termo hipervelocidade é uma velocidade muito alta, aproximadamente acima de 3 000 metros por segundo (6 700 mph, 11 000 km/h, 10 000 pés/s ou Mach 8.8). Em particular, a hipervelocidade é a velocidade tão alta que a resistência dos materiais no impacto é muito pequena em comparação com as tensões inerciais. Assim, metais e fluidos se comportam da mesma forma sob impacto de hipervelocidade. A hipervelocidade extrema resulta na vaporização do impactador e do alvo. Para metais estruturais, a hipervelocidade é geralmente considerada superior a 2 500 m/s (5 600 mph, 9 000 km/h, 8 200 pés/s ou Mach 7.3). Crateras de meteorito também são exemplos de impactos de hipervelocidade.</span><small> (pt)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="zh" >超高速(英語:Hypervelocity)是指一个非常高的速度,一般超过3,000m/s(6,700mph,11,000km/h,10,000ft/s,或8.8马赫)。 在超高速的速度下发生碰撞时,材料的强度与相比会变得非常小。因此,金属在超高速撞击下,会表现得像流体一样。非常极端的超高速会导致撞击物和目标的蒸发。 对于结构性金属,一般认为超过2,500m/s(5,600mph,9,000km/h,8,200ft/s或7.3马赫)就是超高速。陨石坑就是超高速撞击的例子。</span><small> (zh)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="ca" >La hipervelocitat és velocitat molt alta, aproximadament més de 3.000 m/s (11.000 km/h o Mach 8,8). En particular, la hipervelocitat és tan elevada que la força que pateixen els materials quan impacten és molt petita en comparació amb les tensions inercials que pateixen durant la hipervelocitat. Així, fins i tot els metalls es comporten com a fluids sota un impacte hiperveloç. La hipervelocitat extrema provoca la vaporització de l&#39; i l&#39;objectiu. Per als metalls estructurals, la hipervelocitat generalment es considera que és més de 2.500 m/s (9.000 km/h o Mach 7,3).</span><small> (ca)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:comment" lang="fr" >Le terme hypervitesse fait habituellement référence à une très grande vitesse, approximativement supérieure à 3 000 m/s (soit 11 000 km/h, ou encore Mach 8,8). En particulier, il fait référence à des vitesses si élevées que, lors d&#39;un impact, la résistance des matériaux est très faible par rapport aux contraintes dues à l&#39;inertie. Ainsi, même les métaux se comportent comme des fluides lors d&#39;un impact à hypervitesse. Lors d&#39;une collision à ce niveau de vitesse, l&#39;impacteur et la cible se vaporisent. Pour les métaux de structures, l&#39;hypervitesse commence à partir de 2 500 m/s (9 000 km/h ou Mach 7,3).</span><small> (fr)</small></span></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://www.w3.org/2000/01/rdf-schema#label"><small>rdfs:</small>label</a> </td><td class="col-10 text-break"><ul> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="ar" >سرعة فائقة</span><small> (ar)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="ca" >Hipervelocitat</span><small> (ca)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="fr" >Hypervitesse</span><small> (fr)</small></span></li> <li><span class="literal"><span property="rdfs:label" lang="en" >Hypervelocity</span><small> (en)</small></span></li> <li style="display:none;"><span class="literal"><span property="rdfs:label" lang="pt" >Hipervelocidade</span><small> 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href="http://en.wikipedia.org/wiki/Hypervelocity"><small>wikipedia-en</small>:Hypervelocity</a></span></li> </ul></td></tr> </tbody> </table> </div> </div> </div> </section> <!-- property-table --> <!-- footer --> <section> <div class="container-xl"> <div class="text-center p-4 bg-light"> <a href="https://virtuoso.openlinksw.com/" title="OpenLink Virtuoso"><img class="powered_by" src="/statics/images/virt_power_no_border.png" alt="Powered by OpenLink Virtuoso"/></a>&#160; &#160; <a href="http://linkeddata.org/"><img alt="This material is Open Knowledge" src="/statics/images/LoDLogo.gif"/></a> &#160; &#160; <a href="http://dbpedia.org/sparql"><img alt="W3C Semantic Web Technology" src="/statics/images/sw-sparql-blue.png"/></a> &#160; &#160; <a href="https://opendefinition.org/"><img alt="This material is Open Knowledge" src="/statics/images/od_80x15_red_green.png"/></a>&#160; &#160; <span style="display:none;" about="" resource="http://www.w3.org/TR/rdfa-syntax" rel="dc:conformsTo"> <a 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