管形状对平片换热芯片传热性能影响的试验

武振锋 已出版文章查询
武振锋
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吴玲飞
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1兰州交通大学热能与动力工程研究所,兰州,730070


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利用萘升华传质/传热比拟试验方法,研究了三排圆管、扁管顺排和错排布置平片换热板芯在片间距一定时,管形状对换热性能的影响,分析了相同板芯在不同片间距时的传热特性.结果表明,对于给定的片间距,相同管形状错排布置时的换热系数Sh高于顺排布置;对于给定的胎数,同一板芯Sh数随片间距的增大而增大.

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语种: 中文   

关键词管形状 换热性能 传质/传热比拟


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