用特征线法解汽泡状气—液两相流中流体过渡问题
于必录
摘要(Abstract)：
在液体中气体的存在将导致水锤波速的显著减少,如何分析与此有关的流体过渡问题是非常重要的。本文阐述了管路二相流中几个常用的一维模型,着重介绍了一个从简化的分离流假定出发,汽泡状气—液两相流的数学模型建立的问题。推导了如何采用特征线法求解考虑液体和气体的可压缩性及管壁的弹性的压力波传播。
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于必录
参考文献(References)：
- [1] Wallis, G. B., One-Dimentional Two-Phase Flow, M Graw-Hill, New York, 1969
- [2] Martin, C. S., Padmanabham, M., and Wiggert, D. C., "Pressure Wave Propagation in Two-Phase Bubbly Air-Water Mixture," Proceedings Second International Conference on Pressure Surges, BHRA Fluid Engineering, Crenfield, Bedford, England, 1976
- [3] Martin, C. S., "Two-Phase Flow," in "Closed Conduit Flow," Edited by M. H. Chaudhry and V. Verjevich, Water Resources Pub., Ft. Collins, Colorado, 1981