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Forced convective heat transfer across a pin fin micro heat sink

机译:穿过针翅微散热器的强制对流换热

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摘要

This paper investigates heat transfer and pressure drop phenomena over a bank of micro pin fins. A simplified expression for the total thermal resistance has been derived, discussed and experimentally validated. Geometrical and thermo-hydraulic parameters affecting the total thermal resistance have been discussed. It has been found that very low thermal resistances are achievable using a pin fin heat sink. The thermal resistance values are comparable with the data obtained in microchannel convective flows. In many cases, the increase in the flow temperature results in a convection thermal resistance, which is considerably smaller than the total thermal resistance.
机译:本文研究了一排微型针状鳍片的传热和压降现象。总热阻的简化表达式已得到推导,讨论和实验验证。已经讨论了影响总热阻的几何和热工液压参数。已经发现,使用针翅散热片可以实现非常低的热阻。热阻值与微通道对流中获得的数据相当。在许多情况下,流动温度的升高会导致对流热阻,它大大小于总热阻。

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