Numerical simulation study on thermal performance of four cross-V-groove solar air collectors

Chen, Huai, Gao, Wen-feng, Liu, Tao, Lin, Wen-xian, and Liu, Xue-ping (2014) Numerical simulation study on thermal performance of four cross-V-groove solar air collectors. Journal of Yunnan Normal University, 34 (4). pp. 12-19.

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As one of the most commonly used flat plate air collectors, V-groove solar air collec tor has been widely applied and studied in recent years. Based on solar load model, this paper used FLUENT to conduct three-dimensional numerical simulation on thermal performance of V-groove solar air collectors, whose length is 2 meters and 1 meter's width, V-groove plate has the same geometry size, with four types' flow channel at 30° tilt angle and the same air flow rate 60 m3/h. On the basis of the research, several results have been achieved: the temperature field of different section of absorbing plate, Nusselt number in the center of 0.5 m width absorbing plate section alone the length direction and instantaneous efficiency. Moreover, the analyses on the results showed that the instantaneous efficiency of structure is highest when V-groove absorbing plate of air collector was horizontally placed and bottom plate longitudinal placed. The research provided innovative thoughts & reference and theoretical foundation for the design of solar air collector and engineering application.

Item ID: 38338
Item Type: Article (Research - C1)
ISSN: 1007-9793
Keywords: cross-V-groove solar air collector; numerical simulation; instantaneous efficiency
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Original paper is written and published in Chinese.

Funders: National Natural Science Foundation of China, Yunnan Provincial Science Foundation, China
Date Deposited: 05 May 2015 00:20
FoR Codes: 09 ENGINEERING > 0915 Interdisciplinary Engineering > 091505 Heat and Mass Transfer Operations @ 60%
09 ENGINEERING > 0915 Interdisciplinary Engineering > 091504 Fluidisation and Fluid Mechanics @ 20%
09 ENGINEERING > 0915 Interdisciplinary Engineering > 091502 Computational Heat Transfer @ 20%
SEO Codes: 85 ENERGY > 8505 Renewable Energy > 850505 Solar-Thermal Electric Energy @ 100%
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