Abstract:
本文采用数值模拟的方法对R134a竖管降膜蒸发进行了研究,从所得数据整理可以得出以下结论:受重力作用,液膜厚度从上而下逐渐减小,液膜流速从上而下逐渐增大。随着热通量的增大,液膜蒸发速率变大,液膜厚度减小明显。壁面传热系数随着进液流速的增大而增大。随着热通量的增大,液膜与壁面的温差也随之增大,传热系数反而变小。
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Year: 2017
Page: 1-7
Language: Chinese
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ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
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30 Days PV: 5
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