In this paper, heat transfer and flow in the composite solar wall with porous absorber has been studied. The unsteady numerical simulation is employed to analyze the performance of the flow and temperature field in the composite solar wall. The excess heat is stored within the porous absorber during solar radiation and there is stratification in the porous layer. So, the porous absorber works as thermal insulator in a degree when no solar shining is available. The heating characteristic of two types of the composite solar wall with porous absorber has been conducted. The influence of particle size, porosity and porous absorber arrange in the solar composite wall on the heating room temperature is significant. The results show that all these factors should be taken into account for a better design of a heating system.
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ASME 2007 Energy Sustainability Conference
July 27–30, 2007
Long Beach, California, USA
Conference Sponsors:
- Solar Energy Division and Advanced Energy Systems Division
ISBN:
0-7918-4797-7
PROCEEDINGS PAPER
Numerical Analysis of the Heat Transfer in Passive Solar Composite Wall Collectors System With Porous Absorber Available to Purchase
Wei Chen
Wei Chen
Shanghai Maritime University, Shanghai, P. R. China
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Wei Chen
Shanghai Maritime University, Shanghai, P. R. China
Paper No:
ES2007-36119, pp. 701-709; 9 pages
Published Online:
February 24, 2009
Citation
Chen, W. "Numerical Analysis of the Heat Transfer in Passive Solar Composite Wall Collectors System With Porous Absorber." Proceedings of the ASME 2007 Energy Sustainability Conference. ASME 2007 Energy Sustainability Conference. Long Beach, California, USA. July 27–30, 2007. pp. 701-709. ASME. https://doi.org/10.1115/ES2007-36119
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