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从进口速度分布、冷空气吸热率、场协同等角度分析多孔渗透率及多孔墙与南墙间的流道宽度对多孔太阳墙集热系统传热与流动的影响,针对不同的渗透率和流道宽度对集热系统进行数值模拟分析,结果表明,适当选取渗透率和适当增大流道宽度有利于提高多孔太阳墙集热系统的性能。
From the viewpoints of velocity distribution, heat absorption rate of cold air and field synergy, the influence of porous permeability and the flow channel width between porous wall and south wall on the heat transfer and flow of the solar collector system with porous walls are analyzed. According to different permeability and Numerical simulation analysis of the collector system with width of runner shows that proper selection of permeability and appropriate increase of runner width will improve the performance of collector system with porous solar wall.