A Numerical Study on Integral Solar Air Collector

Fu Sheng Dong; Ming Fu Hu; Xiao Chun Huang

doi:10.4028/www.scientific.net/AMR.860-863.146

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 860-863A Numerical Study on Integral Solar Air Collector

A Numerical Study on Integral Solar Air Collector

Abstract:

A mathematical modeling method was devoted to study the thermal performance of integral solar air collector. A mathematical model of heat transfer was set up based on one-dimension assumptions at first, and then numerical solution was brought out by using finite-difference method under one-dimension steady heat exchange. Through the MATLAB programming, the approximate solutions for the local air temperature and thermal efficiency were obtained at the quasi-steady state. After calculation, the influence of air inlet velocity, inlet temperature, solar radiation intensity and height of flow channel on the performance of collector was analyzed. It is discovered that the mathematical model is reasonable, the thermal efficiency decreases with temperature of inlet air increasing and increases with air velocity increasing, on which the solar radiation intensity have little influence. Depth of the channel and optimum flow both have a best value.

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Periodical:

Advanced Materials Research (Volumes 860-863)

Pages:

146-150

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.860-863.146

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Online since:

December 2013

Authors:

Fu Sheng Dong, Ming Fu Hu, Xiao Chun Huang

Keywords:

Heat Transfer, Integral Air Collector, Solar Energy, Thermal Efficiency

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