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首页> 外文期刊>Journal of Heat Transfer >Forced Convection in a Porous Channel With Discrete Heat Sources
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Forced Convection in a Porous Channel With Discrete Heat Sources

机译：具有离散热源的多孔通道中的强制对流

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摘要

An experimental study was conducted on the heat transfer char- acteristics of flow through a porous channel with discrete heat sources on the upper wall. The temperatures along the heated channel wall were measured with different heat fluxes and the local Nusslet numbers were calculated at the different Reynolds numbers. The temperature distribution of the fluid inside the chan- nel was also measured at several points. The experimental results were compared with that predicted by an analytical model using the Green's integral over the discrete sources, and a good agree- ment between the two was obtained. The experimental results con- firmed that the heat transfer would be more significant at leading edges of the strip heaters and at higher Reynolds numbers.
机译：对通过多孔通道的流动的传热特性进行了实验研究，该通道在上壁具有离散的热源。用不同的热通量测量沿加热通道壁的温度，并在不同的雷诺数下计算局部Nusslet数。还测量了通道内流体的温度分布。将实验结果与使用离散源上的格林积分的解析模型预测的结果进行了比较，两者之间取得了良好的一致性。实验结果证实，在带钢加热器的前缘和较高的雷诺数下，传热将更为显着。

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