板翅式热交换器平直翅片流动与传热性能试验研究

Petro-Chemical Equipment（2014）

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Abstract

通过空气-水传热试验,对平直翅片的流动传热性能进行了研究.试验结果表明,空气流速2.2～5.6 m/s时,翅片间空气侧的对流传热系数为50～141 W/(m2·℃),流动摩擦压降为40～90 Pa.实现翅片高效换热的空气流速是2.2～3.7 m/s,对应的翅片总效率在0.85～0.92.

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