板翅式散热器的辐射传热

2008 Twenty-fourth Annual IEEE Semiconductor Thermal Measurement and Management Symposium Pub Date : 2008-03-16 DOI:10.1109/STHERM.2008.4509379

Y. Shabany

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引用次数: 29

摘要

给出了计算漫射式和灰色板翅式散热器辐射换热率的精确解析关系式。这些相关性涉及到一个视角因子，这个因子可以用一组相当复杂的方程精确计算出来。我们提出了一个非常简单的近似相关系数，可以得到精确的辐射换热率，最大误差约为11%。

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Radiation Heat Transfer from Plate-Fin Heat Sinks

The exact analytical correlations to calculate radiation heat transfer rate from a diffuse and gray plate-fin heat sink are presented. These correlations involve a view factor that can be exactly calculated using a rather complex set of equations. A very simple approximate correlation for this view factor is proposed that results in radiation heat transfer rates that are accurate with a maximum error of about 11%.

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2008 Twenty-fourth Annual IEEE Semiconductor Thermal Measurement and Management Symposium

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