 An experimental study on energy and exergy performance of a spiral tube receiver for solar parabolic dish concentratorV. Thirunavukkarasu and M. Cheralathan Energy, 2020, vol. 192, issue C Abstract: In this paper, energy and exergy performance of an external type spiral tube receiver for a solar parabolic dish concentrator is experimentally analyzed and presented. Performance evaluation is done at three different radiation conditions. The receiver is tested in the temperature range of 30 °C–100 °C with water as heat transfer fluid and at a flow rate of 1.5 L per minute. The overall heat loss coefficient of the receiver estimated from the stagnation test is found to be 182 W/m2K. The average thermal and exergy efficiencies of the receiver was determined to be 56.21% and 5.45% respectively under an average beam radiation of 750 W/m2. The variation trend of thermal efficiency of receiver is similar to that of difference between temperature of the heat transfer fluid at receiver inlet and outlet. The results show that this light weight, low cost receiver has potential to be employed with solar parabolic dish concentrator for process heating applications. Keywords: Solar parabolic dish concentrator; Scheffler reflector; Spiral tube receiver; Energy efficiency; Exergy efficiency; Overall heat loss coefficient (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:192:y:2020:i:c:s0360544219323308 DOI: 10.1016/j.energy.2019.116635 Access Statistics for this article Energy is currently edited by Henrik Lund and Mark J. Kaiser More articles in Energy from Elsevier |
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