{"title":"Performance and cost analysis of two-pass solar air heaters","authors":"C. Choudhury, P.M. Chauhan, H.P. Garg","doi":"10.1016/0890-4332(95)00003-H","DOIUrl":null,"url":null,"abstract":"<div><p>In this study the ratio of the annual cost and the annual energy gain has been calculated for two-pass solar air heaters with single and double covers above the absorber. The cost-benefit ratios of the collectors are examined over a wide range of design and operational parameter (ṁ, <em>L</em>, <em>D</em>1 and <em>D</em>2) and compared with those of single-pass collectors with no cover, a single cover and a double cover, as studied by the authors previously. For shorter duct lengths and lower air mass flow rates, the performance of the two-pass air heater with a single cover is found to be most cost-effective, as compared to the other designs.</p></div>","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"15 8","pages":"Pages 755-773"},"PeriodicalIF":0.0000,"publicationDate":"1995-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(95)00003-H","citationCount":"57","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Heat Recovery Systems and CHP","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/089043329500003H","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 57
Abstract
In this study the ratio of the annual cost and the annual energy gain has been calculated for two-pass solar air heaters with single and double covers above the absorber. The cost-benefit ratios of the collectors are examined over a wide range of design and operational parameter (ṁ, L, D1 and D2) and compared with those of single-pass collectors with no cover, a single cover and a double cover, as studied by the authors previously. For shorter duct lengths and lower air mass flow rates, the performance of the two-pass air heater with a single cover is found to be most cost-effective, as compared to the other designs.
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