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On two parabolic trough models measuring 12.5 and 20 cm respectively, in length of focal point, the study is being carried out. In order to test the parabolic mirror, an aluminum structure was used. This paper presents a regular calculation for optimizing the shape of the parabolic trough numerically. Researchers found that rays are most effectively reflected in the parabolic surface\u0026amp;amp;#39;s middle and top, according to results of focal and slope errors. Length of parabolic had been reduced by 27 percent, allowing for a better suitable shape and size of a concentrator with parabolic type.","author":[{"@context":"https://schema.org","@type":"Person","name":"Ansam A D I L Mohammed"}],"contributor":[],"dateCreated":"2023-08-11","dateModified":"2024-11-29","datePublished":"2021-09-26","headline":"Optimizing the size for Solar Parabolic Trough Concentrator numerically","image":"https://attachments.academia-assets.com/104930698/thumbnails/1.jpg","inLanguage":"en","keywords":["Mechanical Engineering","Optics","Fluid Mechanics","Renewable Energy","Energy","Heat Transfer","Fluid Dynamics","Solar Energy"],"publisher":{"@context":"https://schema.org","@type":"Organization","name":"Zenodo"},"sourceOrganization":[{"@context":"https://schema.org","@type":"EducationalOrganization","name":null}],"thumbnailUrl":"https://attachments.academia-assets.com/104930698/thumbnails/1.jpg","url":"https://www.academia.edu/105490442/Optimizing_the_size_for_Solar_Parabolic_Trough_Concentrator_numerically"}</script><link rel="stylesheet" media="all" href="//a.academia-assets.com/assets/single_work_page/loswp-102fa537001ba4d8dcd921ad9bd56c474abc201906ea4843e7e7efe9dfbf561d.css" /><link rel="stylesheet" media="all" href="//a.academia-assets.com/assets/design_system/body-8d679e925718b5e8e4b18e9a4fab37f7eaa99e43386459376559080ac8f2856a.css" /><link rel="stylesheet" media="all" href="//a.academia-assets.com/assets/design_system/button-3cea6e0ad4715ed965c49bfb15dedfc632787b32ff6d8c3a474182b231146ab7.css" /><link rel="stylesheet" media="all" 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{"work":{"id":105490442,"created_at":"2023-08-11T08:00:04.934-07:00","from_world_paper_id":238628474,"updated_at":"2024-11-29T17:36:53.007-08:00","_data":{"abstract":"A numerical study of the performance of a concentrated solar parabolic trough is presented in this article. On two parabolic trough models measuring 12.5 and 20 cm respectively, in length of focal point, the study is being carried out. In order to test the parabolic mirror, an aluminum structure was used. This paper presents a regular calculation for optimizing the shape of the parabolic trough numerically. Researchers found that rays are most effectively reflected in the parabolic surface\u0026#39;s middle and top, according to results of focal and slope errors. Length of parabolic had been reduced by 27 percent, allowing for a better suitable shape and size of a concentrator with parabolic type.","publisher":"Zenodo","ai_title_tag":"Numerical Optimization of Solar Parabolic Trough Size","publication_date":"2021,9,26"},"document_type":"paper","pre_hit_view_count_baseline":null,"quality":"high","language":"en","title":"Optimizing the size for Solar Parabolic Trough Concentrator numerically","broadcastable":false,"draft":null,"has_indexable_attachment":true,"indexable":true}}["work"]; window.loswp.workCoauthors = [137054209]; window.loswp.locale = "en"; window.loswp.countryCode = "SG"; window.loswp.cwvAbTestBucket = ""; window.loswp.designVariant = "ds_vanilla"; window.loswp.fullPageMobileSutdModalVariant = "full_page_mobile_sutd_modal"; window.loswp.useOptimizedScribd4genScript = false; window.loginModal = {}; window.loginModal.appleClientId = 'edu.academia.applesignon';</script><script defer="" src="https://accounts.google.com/gsi/client"></script><div class="ds-loswp-container"><div class="ds-work-card--grid-container"><div class="ds-work-card--container js-loswp-work-card"><div class="ds-work-card--cover"><div class="ds-work-cover--wrapper"><div class="ds-work-cover--container"><button class="ds-work-cover--clickable js-swp-download-button" data-signup-modal="{"location":"swp-splash-paper-cover","attachmentId":104930698,"attachmentType":"pdf"}"><img alt="First page of “Optimizing the size for Solar Parabolic Trough Concentrator numerically”" class="ds-work-cover--cover-thumbnail" src="https://0.academia-photos.com/attachment_thumbnails/104930698/mini_magick20230811-1-wm8biw.png?1691766106" /><img alt="PDF Icon" class="ds-work-cover--file-icon" src="//a.academia-assets.com/images/single_work_splash/adobe_icon.svg" /><div class="ds-work-cover--hover-container"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span><p>Download Free PDF</p></div><div class="ds-work-cover--ribbon-container">Download Free PDF</div><div class="ds-work-cover--ribbon-triangle"></div></button></div></div></div><div class="ds-work-card--work-information"><h1 class="ds-work-card--work-title">Optimizing the size for Solar Parabolic Trough Concentrator numerically</h1><div class="ds-work-card--work-authors ds-work-card--detail"><a class="ds-work-card--author js-wsj-grid-card-author ds2-5-body-md ds2-5-body-link" data-author-id="137054209" href="https://independent.academia.edu/adelansam"><img alt="Profile image of Ansam A D I L Mohammed" class="ds-work-card--author-avatar" src="https://0.academia-photos.com/137054209/74471703/89700346/s65_ansam.mohammed.jpg" />Ansam A D I L Mohammed</a></div><div class="ds-work-card--detail"><p class="ds-work-card--detail ds2-5-body-sm">2021</p><div class="ds-work-card--work-metadata"><div class="ds-work-card--work-metadata__stat"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">visibility</span><p class="ds2-5-body-sm" id="work-metadata-view-count">…</p></div><div class="ds-work-card--work-metadata__stat"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">description</span><p class="ds2-5-body-sm">11 pages</p></div><div class="ds-work-card--work-metadata__stat"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">link</span><p class="ds2-5-body-sm">1 file</p></div></div><script>(async () => { const workId = 105490442; 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if (!viewCountBody) { throw new Error('Failed to find work views element'); } viewCountBody.textContent = `${commaizedViewCount} views`; } catch (error) { // Remove the whole views element if there was some issue parsing. document.getElementById('work-metadata-view-count')?.parentNode?.remove(); throw new Error(`Failed to parse view count: ${viewCount}`, error); } }; // If the DOM is still loading, wait for it to be ready before updating the view count. if (document.readyState === "loading") { document.addEventListener('DOMContentLoaded', () => { updateViewCount(viewCount); }); // Otherwise, just update it immediately. } else { updateViewCount(viewCount); } })();</script></div><p class="ds-work-card--work-abstract ds-work-card--detail ds2-5-body-md">A numerical study of the performance of a concentrated solar parabolic trough is presented in this article. On two parabolic trough models measuring 12.5 and 20 cm respectively, in length of focal point, the study is being carried out. In order to test the parabolic mirror, an aluminum structure was used. This paper presents a regular calculation for optimizing the shape of the parabolic trough numerically. Researchers found that rays are most effectively reflected in the parabolic surface&#39;s middle and top, according to results of focal and slope errors. Length of parabolic had been reduced by 27 percent, allowing for a better suitable shape and size of a concentrator with parabolic type.</p><div class="ds-work-card--button-container"><button class="ds2-5-button js-swp-download-button" data-signup-modal="{"location":"continue-reading-button--work-card","attachmentId":104930698,"attachmentType":"pdf","workUrl":"https://www.academia.edu/105490442/Optimizing_the_size_for_Solar_Parabolic_Trough_Concentrator_numerically"}">See full PDF</button><button class="ds2-5-button ds2-5-button--secondary js-swp-download-button" data-signup-modal="{"location":"download-pdf-button--work-card","attachmentId":104930698,"attachmentType":"pdf","workUrl":"https://www.academia.edu/105490442/Optimizing_the_size_for_Solar_Parabolic_Trough_Concentrator_numerically"}"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span>Download PDF</button></div></div></div></div><div data-auto_select="false" data-client_id="331998490334-rsn3chp12mbkiqhl6e7lu2q0mlbu0f1b" data-doc_id="104930698" data-landing_url="https://www.academia.edu/105490442/Optimizing_the_size_for_Solar_Parabolic_Trough_Concentrator_numerically" data-login_uri="https://www.academia.edu/registrations/google_one_tap" data-moment_callback="onGoogleOneTapEvent" id="g_id_onload"></div><div class="ds-top-related-works--grid-container"><div class="ds-related-content--container ds-top-related-works--container"><h2 class="ds-related-content--heading">Related papers</h2><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="0" data-entity-id="41058137" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/41058137/Geometric_and_Optical_Efficiency_Study_for_Solar_Parabolic_Trough_Concentrator_Using_the_Deflectometry_Technique">Geometric and Optical Efficiency Study for Solar Parabolic Trough Concentrator Using the Deflectometry Technique</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="68179640" href="https://usmba.academia.edu/MassaabYDRISSI">Massaab YDRISSI</a><span>, </span><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="64168539" href="https://independent.academia.edu/HICHAMGHENNIOUI">HICHAM GHENNIOUI</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Springer Nature Singapore Pte Ltd. , 2019</p><p class="ds-related-work--abstract ds2-5-body-sm">Concentrating solar power (CSP) technologies are the most promising alternative to the high demand of electrical energy and to the consumption of fossil fuels. The purpose of this work is the technical study and the optical qualification of a solar parabolic trough concentrator assembled and installed in the research platform of Green Energy Park in Morocco (GEP-IRESEN Benguerir). The qualification of the mirrors is necessary to control the performance of the collector and the optical efficiency because the design of the parabolic shape of the mirrors seems very difficult and requires a high precision equipment. In this paper, deflectometry measurements are used to analyze the slope errors and determine the optical deformation of the collector. These results are then used with the ray tracing software (SOLTRACE) to calculate and analyze the optical efficiency of the collector. The comparison of nominal and the measured thermal energy is also performed. The final results show significant thermal energy losses due to the impact of the optical errors on the thermal efficiency and collector performance.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Geometric and Optical Efficiency Study for Solar Parabolic Trough Concentrator Using the Deflectometry Technique","attachmentId":61329323,"attachmentType":"pdf","work_url":"https://www.academia.edu/41058137/Geometric_and_Optical_Efficiency_Study_for_Solar_Parabolic_Trough_Concentrator_Using_the_Deflectometry_Technique","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/41058137/Geometric_and_Optical_Efficiency_Study_for_Solar_Parabolic_Trough_Concentrator_Using_the_Deflectometry_Technique"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="1" data-entity-id="20333056" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/20333056/STUDY_ON_EFFICIENCY_OF_AN_PARABOLIC_REFLECTIVE_SOLAR_CONCENTRATOR">STUDY ON EFFICIENCY OF AN PARABOLIC REFLECTIVE SOLAR CONCENTRATOR</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="41627815" href="https://upt.academia.edu/CGruescu">C. Gruescu</a></div><p class="ds-related-work--metadata ds2-5-body-xs">imtuoradea.ro</p><p class="ds-related-work--abstract ds2-5-body-sm">Abstract: The paper presents a numerical simulation to determine the optimal geometry of a 3D paraboloid solar concentrator. The results show that aperture and height are interdependent and are determined by the paraboloid constant p. The optimal position of the cell also ...</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"STUDY ON EFFICIENCY OF AN PARABOLIC REFLECTIVE SOLAR CONCENTRATOR","attachmentId":41292222,"attachmentType":"pdf","work_url":"https://www.academia.edu/20333056/STUDY_ON_EFFICIENCY_OF_AN_PARABOLIC_REFLECTIVE_SOLAR_CONCENTRATOR","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/20333056/STUDY_ON_EFFICIENCY_OF_AN_PARABOLIC_REFLECTIVE_SOLAR_CONCENTRATOR"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="2" data-entity-id="89129055" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/89129055/Design_of_a_Parabolic_Trough_Solar_Collector_Using_a_Concentrator_with_High_Reflectivity">Design of a Parabolic Trough Solar Collector Using a Concentrator with High Reflectivity</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="125154342" href="https://independent.academia.edu/Ahmet%C3%87a%C4%9Flar6">Ahmet Çağlar</a></div><p class="ds-related-work--metadata ds2-5-body-xs">World Congress on Mechanical, Chemical, and Material Engineering, 2016</p><p class="ds-related-work--abstract ds2-5-body-sm">Parabolic trough collectors are used for industrial applications in a temperature range 150-400 o C. Flat-plate collectors are not appropriate for these high temperatures. In concentrating solar power technology, the optical efficiency of solar collector influences collector performance significantly. In this paper, two different reflective surfaces are used to increase the optical efficiency of a parabolic trough solar collector. 316-L chrome plate and aluminium composite panel are used for the reflective surface. The results from two surfaces are compared with each other. A glass cover for the absorber is used and the results from absorber tube with and without glass cover are also compared.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Design of a Parabolic Trough Solar Collector Using a Concentrator with High Reflectivity","attachmentId":92982982,"attachmentType":"pdf","work_url":"https://www.academia.edu/89129055/Design_of_a_Parabolic_Trough_Solar_Collector_Using_a_Concentrator_with_High_Reflectivity","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/89129055/Design_of_a_Parabolic_Trough_Solar_Collector_Using_a_Concentrator_with_High_Reflectivity"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="3" data-entity-id="8355321" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/8355321/Fabrication_Designing_and_Performance_Analysis_of_Solar_Parabolic_Trough">Fabrication, Designing & Performance Analysis of Solar Parabolic Trough</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="656912" href="https://ijera.academia.edu/ijera">IJERA Journal</a></div><p class="ds-related-work--abstract ds2-5-body-sm">A parabolic trough solar collector uses a parabolic cylinder to reflect and concentrate sun radiations towards a receiver tube located at the focus line of the parabolic cylinder. The receiver absorbs the incoming radiations and transforms them into thermal energy, the latter being transported and collected by a fluid medium circulating within the receiver tube.This method of concentrated solar collection has the advantage of high efficiency and low cost, and can be used either for thermal energy collection, for generating electricity or for both, This paper focused on the fabrication and designing of solar parabolic trough, The designing of trough is depend upon the following parameters : Aperture of the concentrator , Inner diameter of absorber tube, Outer diameter of absorber tube, Inner diameter of glass tube, Outer diameter of glass tube, Length of parabolic trough, Concentration ratio, Collector aperture area, Specular reflectivity of concentrator, Glass cover transitivity for solar radiation, Absorber tube emissivity/emissivity, Intercept factor, Emissivity of absorber tube surface and Emissivity of glass. The performance analysis will be based on the Experimental data collection and calculations with reference to: Thermal performance calculations, Overall loss coefficient and heat correlations. Heat transfer coefficient on the inside surface of the absorber tube and Heat transfer coefficient between the absorber tube and the Cover.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Fabrication, Designing \u0026 Performance Analysis of Solar Parabolic Trough","attachmentId":34756213,"attachmentType":"pdf","work_url":"https://www.academia.edu/8355321/Fabrication_Designing_and_Performance_Analysis_of_Solar_Parabolic_Trough","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/8355321/Fabrication_Designing_and_Performance_Analysis_of_Solar_Parabolic_Trough"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="4" data-entity-id="115005748" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/115005748/A_Simulated_Design_And_Analysis_Of_A_Solar_Thermal_Parabolic_Trough_Concentrator">A Simulated Design And Analysis Of A Solar Thermal Parabolic Trough Concentrator</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="49941878" href="https://usm.academia.edu/FauziahSulaiman">Fauziah Sulaiman</a></div><p class="ds-related-work--metadata ds2-5-body-xs">2012</p><p class="ds-related-work--abstract ds2-5-body-sm">In recent years Malaysia has included renewable energy as an alternative fuel to help in diversifying the country-s energy reliance on oil, natural gas, coal and hydropower with biomass and solar energy gaining priority. The scope of this paper is to look at the designing procedures and analysis of a solar thermal parabolic trough concentrator by simulation utilizing meteorological data in several parts of Malaysia. Parameters which include the aperture area, the diameter of the receiver and the working fluid may be varied to optimize the design. Aperture area is determined by considering the width and the length of the concentrator whereas the geometric concentration ratio (CR) is obtained by considering the width and diameter of the receiver. Three types of working fluid are investigated. Theoretically, concentration ratios can be very high in the range of 10 to 40 000 depending on the optical elements used and continuous tracking of the sun. However, a thorough analysis is essent...</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"A Simulated Design And Analysis Of A Solar Thermal Parabolic Trough Concentrator","attachmentId":111540723,"attachmentType":"pdf","work_url":"https://www.academia.edu/115005748/A_Simulated_Design_And_Analysis_Of_A_Solar_Thermal_Parabolic_Trough_Concentrator","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/115005748/A_Simulated_Design_And_Analysis_Of_A_Solar_Thermal_Parabolic_Trough_Concentrator"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="5" data-entity-id="77813434" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/77813434/Licensed_Under_Creative_Commons_Attribution_CC_BY_To_Analyze_the_Performance_of_Solar_Parabolic_Trough_Concentrator_with_Two_Different_Reflector_Materials">Licensed Under Creative Commons Attribution CC BY To Analyze the Performance of Solar Parabolic Trough Concentrator with Two Different Reflector Materials</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="68399397" href="https://independent.academia.edu/SyedArsalan10">Syed Arsalan</a></div><p class="ds-related-work--metadata ds2-5-body-xs">2015</p><p class="ds-related-work--abstract ds2-5-body-sm">In the present work, an attempt has been made to design, fabricate, evaluate and compare the performance of two different PTCs, to produce hot water, by using two different reflector materials. In PTC-1, reflector material is made by acrylic mirror sheet, and in PTC-2 reflector material is made of by stainless steel sheet. For both the PTCs the rest of the materials used are same. The supporting stand is made up of cast iron, the receiver material for both the PTC is G.I. pipes, and rim angle for both the concentrator is 90 0. The aperture area of both the concentrators is 2.131 m 2. And concentration ratios of both the concentrators are 10.91. The maximum instantaneous thermal efficiency obtained by the concentrator having acrylic mirror sheet is 13.67 %, and concentrator having stainless steel material is 15.85 %.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Licensed Under Creative Commons Attribution CC BY To Analyze the Performance of Solar Parabolic Trough Concentrator with Two Different Reflector Materials","attachmentId":85075706,"attachmentType":"pdf","work_url":"https://www.academia.edu/77813434/Licensed_Under_Creative_Commons_Attribution_CC_BY_To_Analyze_the_Performance_of_Solar_Parabolic_Trough_Concentrator_with_Two_Different_Reflector_Materials","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/77813434/Licensed_Under_Creative_Commons_Attribution_CC_BY_To_Analyze_the_Performance_of_Solar_Parabolic_Trough_Concentrator_with_Two_Different_Reflector_Materials"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="6" data-entity-id="79858549" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/79858549/Studies_on_performance_characteristics_of_a_solar_parabolic_trough_concentrator_with_a_variable_area_absorber">Studies on performance characteristics of a solar parabolic trough concentrator with a variable area absorber</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="65329104" href="https://nitdgp.academia.edu/nitdgpacademiaeduPROFCMNarayan">PROF. (Dr.) C.M. Narayanan</a></div><p class="ds-related-work--metadata ds2-5-body-xs">International Journal of Renewable Energy Technology, 2014</p><p class="ds-related-work--abstract ds2-5-body-sm">The design of a suitable absorber that incorporates an efficient heat transfer augmentation technique is one of the vital parameters that affect the performance of a solar parabolic trough concentrator (PTC). The variable area absorber discussed in this paper provides appreciable augmentation in heat transfer without increasing the pressure drop materially and thus helps in enhancing the performance efficiency of PTC significantly. A computer aided parametric study of this phenomena has been dealt in this paper. The performance of PTC of proposed design has been analysed mathematically and a rigorous simulation model has been developed. The mathematical analysis has been substantiated by elaborate experimental data.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Studies on performance characteristics of a solar parabolic trough concentrator with a variable area absorber","attachmentId":86432096,"attachmentType":"pdf","work_url":"https://www.academia.edu/79858549/Studies_on_performance_characteristics_of_a_solar_parabolic_trough_concentrator_with_a_variable_area_absorber","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/79858549/Studies_on_performance_characteristics_of_a_solar_parabolic_trough_concentrator_with_a_variable_area_absorber"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="7" data-entity-id="18041507" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/18041507/_OPTICAL_MODEL_AND_NUMERICAL_SIMULATION_OF_THE_NEW_OFFSET_TYPE_PARABOLIC_CONCENTRATOR_WITH_TWO_TYPES_OF_SOLAR_RECEIVERS">OPTICAL MODEL AND NUMERICAL SIMULATION OF THE NEW OFFSET TYPE PARABOLIC CONCENTRATOR WITH TWO TYPES OF SOLAR RECEIVERS</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="4728434" href="https://independent.academia.edu/SasaPavlovic">Sasa Pavlovic</a></div><p class="ds-related-work--abstract ds2-5-body-sm">The paper presents a physical and mathematical model of the new offset type parabolic concentrator and a numerical procedure for predicting its optical performances. Also presented is the process of design and optical ray tracing analysis of a low cost solar concentrator for medium temperature applications. This study develops and applies a new mathematical model for estimating the intercept factor of the solar concentrator based on its geometrical and optical behavior. The solar concentrating system consists of three offset parabolic dish reflectors and a solar thermal absorber at the focus. Two types of absorbers are discussed. One is a flat plate circular absorber and the other a spiral smooth pipe absorber. The simulation results could serve as a useful reference for design and optimization of offset parabolic concentrators.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"OPTICAL MODEL AND NUMERICAL SIMULATION OF THE NEW OFFSET TYPE PARABOLIC CONCENTRATOR WITH TWO TYPES OF SOLAR RECEIVERS","attachmentId":39843929,"attachmentType":"doc","work_url":"https://www.academia.edu/18041507/_OPTICAL_MODEL_AND_NUMERICAL_SIMULATION_OF_THE_NEW_OFFSET_TYPE_PARABOLIC_CONCENTRATOR_WITH_TWO_TYPES_OF_SOLAR_RECEIVERS","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/18041507/_OPTICAL_MODEL_AND_NUMERICAL_SIMULATION_OF_THE_NEW_OFFSET_TYPE_PARABOLIC_CONCENTRATOR_WITH_TWO_TYPES_OF_SOLAR_RECEIVERS"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="8" data-entity-id="97509295" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/97509295/Effect_of_Angle_of_Incidence_of_Sun_Rays_on_the_Bending_of_Absorber_Tube_of_Solar_Parabolic_Trough_Concentrator">Effect of Angle of Incidence of Sun Rays on the Bending of Absorber Tube of Solar Parabolic Trough Concentrator</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="250436887" href="https://independent.academia.edu/SouravKhanna6">Sourav Khanna</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Energy Procedia, 2014</p><p class="ds-related-work--abstract ds2-5-body-sm">In a parabolic trough system, the solar flux distribution on the surface of absorber tube is non-uniform which results in circumferential temperature gradient. Thus, bending moment is induced and leads to the deflection in absorber tube from the focal line of trough. It is concluded that during zero angle of incidence of sun rays (angle made by sun rays with trough's aperture normal), absorber tube will not deflect from the focal line. However, during non-zero angle of incidence, the absorber tube will deflect. It is because of the fact that during non-zero angle of incidence, the absorber tube does not receive any concentrated flux near the end facing the sun. In the current work, an analytical expression is derived for finding the deflection in the central axis of absorber tube from the focal line of trough. Results for deflection are plotted for different values of angle of incidence taking the dimensions of LS3 parabolic trough with Schott 2008 PTR70 receiver.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Effect of Angle of Incidence of Sun Rays on the Bending of Absorber Tube of Solar Parabolic Trough Concentrator","attachmentId":99111273,"attachmentType":"pdf","work_url":"https://www.academia.edu/97509295/Effect_of_Angle_of_Incidence_of_Sun_Rays_on_the_Bending_of_Absorber_Tube_of_Solar_Parabolic_Trough_Concentrator","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/97509295/Effect_of_Angle_of_Incidence_of_Sun_Rays_on_the_Bending_of_Absorber_Tube_of_Solar_Parabolic_Trough_Concentrator"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="9" data-entity-id="110907843" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/110907843/Experimental_study_of_a_parabolic_solar_concentrator">Experimental study of a parabolic solar concentrator</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="118536243" href="https://independent.academia.edu/AhmedRidhaELOUEDERNI">Ahmed Ridha EL OUEDERNI</a></div><p class="ds-related-work--metadata ds2-5-body-xs">2009</p><p class="ds-related-work--abstract ds2-5-body-sm">In this present work, a parabolic solar concentrator has been experimentally studied. The experimental devise consists of a dish of 2.2 m opening diameter. Its interior surface is covered with a reflecting layer, and equipped with a disc receiver in its focal position. The orientation of the parabola is ensured by two semi-automatic jacks. Experimental measurements of solar flux and temperature distribution on the receiver have been carried out. These experimental results describe correctly the awaited physical phenomena. Résumé-Dans ce présent travail, un concentrateur solaire parabolique a été expérimentalement étudié. L'expérimentation est effectuée sur un disque de diamètre d'ouverture de 2.2 m. Sa surface intérieure est recouverte d'une couche réfléchissante, et équipée d'un récepteur à disque dans sa position focale. L'orientation de la parabole est assurée par deux vérins semi-automatiques. Des mesures expérimentales du flux solaire et de la distribution de température sur le récepteur ont été effectuées. Ces résultats expérimentaux décrivent correctement les phénomènes physiques attendus.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Experimental study of a parabolic solar concentrator","attachmentId":108579441,"attachmentType":"pdf","work_url":"https://www.academia.edu/110907843/Experimental_study_of_a_parabolic_solar_concentrator","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/110907843/Experimental_study_of_a_parabolic_solar_concentrator"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div></div></div><div class="ds-sticky-ctas--wrapper js-loswp-sticky-ctas hidden"><div class="ds-sticky-ctas--grid-container"><div class="ds-sticky-ctas--container"><button class="ds2-5-button js-swp-download-button" data-signup-modal="{"location":"continue-reading-button--sticky-ctas","attachmentId":104930698,"attachmentType":"pdf","workUrl":null}">See full PDF</button><button class="ds2-5-button ds2-5-button--secondary js-swp-download-button" data-signup-modal="{"location":"download-pdf-button--sticky-ctas","attachmentId":104930698,"attachmentType":"pdf","workUrl":null}"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span>Download PDF</button></div></div></div><div class="ds-below-fold--grid-container"><div class="ds-work--container js-loswp-embedded-document"><div class="attachment_preview" data-attachment="Attachment_104930698" style="display: none"><div class="js-scribd-document-container"><div class="scribd--document-loading js-scribd-document-loader" style="display: block;"><img alt="Loading..." src="//a.academia-assets.com/images/loaders/paper-load.gif" /><p>Loading Preview</p></div></div><div style="text-align: center;"><div class="scribd--no-preview-alert js-preview-unavailable"><p>Sorry, preview is currently unavailable. You can download the paper by clicking the button above.</p></div></div></div></div><div class="ds-sidebar--container js-work-sidebar"><div class="ds-related-content--container"><h2 class="ds-related-content--heading">Related papers</h2><div class="ds-related-work--container js-related-work-sidebar-card" data-collection-position="0" data-entity-id="76295666" data-sort-order="default"><a class="ds-related-work--title js-related-work-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/76295666/Development_of_Mathematical_Model_of_Offset_Type_Solar_Parabolic_Concentrating">Development of Mathematical Model of Offset Type Solar Parabolic Concentrating</a><div class="ds-related-work--metadata"><a class="js-related-work-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="20720011" href="https://independent.academia.edu/MarkoMancic">Marko Mancic</a></div><p class="ds-related-work--metadata ds2-5-body-xs">2016</p><div class="ds-related-work--ctas"><button 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