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Theoretical Study on Thermal Performance of Trombe Wall Combined with Solar Air Collector

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Abstract:

A thermal performance mathematical model of Trombe wall combined with solar air collector was established on the base of thermodynamics and fluid dynamics analysis. Then we solved the mathematical model by means of calculating program based on C programming language. The calculating results show the influence law of the area ratio of air opening to air flow channel (Ao/Af ) and the thickness of air flow channel affected on the heat collecting efficiency of solar wall. With the increasing of Ao/Af , the efficiency increases firstly, then increases more slowly, and finally comes to steady. The thickness also affects the efficiency in the same way. Though the results still need a further validation by experiments, they are initially proved correct by the qualitative analysis. The theoretical model can be a tool for the structural optimization of the Trombe wall combined with solar air collector.

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Periodical:

Advanced Materials Research (Volumes 512-515)

Pages:

208-213

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.512-515.208

Citation:

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Online since:

May 2012

Authors:

Yu Bie, Fang Zhou, Ming Fu Hu, Qian Peng, Wen Yuan Mao, Jing Hua Chang

Keywords:

Mathematical Models, Solar Air Collector, Thermal Performance, Trombe Wall

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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