The instability of void fraction waves in vertical gas-liquid two-phase flow

被引：0

作者：

Sun, Baojiang ^{[1
]}

Yan, Dachun ^{[2
]}

Zhang, Zhen ^{[2
]}

机构：

[1] Department of Petroleum Engineering, University of Petroleum, Shandong 257062, China

[2] Dept. of Mechanics and Eng. Science, Peking University, Beijing 100871, China

来源：

Communications in Nonlinear Science and Numerical Simulation | 1999年 / 4卷 / 03期

关键词：

Bubbles (in fluids) - Chaos theory - Liquid waves - Natural frequencies - Two phase flow - Wave propagation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The measuring and analyzing results of void fraction waves in different flow regimes show that the propagating velocity of void fraction waves depends on flow regimes and mean void fraction. The disturbance at some frequencies can enhance the void fraction wave velocity. Non-linear analysis show that the instability process of bubbly flow is a chaotic process. Before the bubbly flow transits to cap-bubbly flow the growth rate of void fraction waves becomes the maximum value when the disturbance frequency is around the main frequency of void fraction waves.

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页码：181 / 186

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