Stratified steady and unsteady two-phase flows between two parallel plates

被引：6
|
作者：
Sim, WG [1 ]
机构：
[1] Hannam Univ, Taejon 306791, South Korea
来源：
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY | 2006年 / 20卷 / 01期
关键词：
spectral collocation method; stratified two-phase flow; void fraction; frictional multiplier; superficial velocity; slip ratio; unsteady two-phase flow;
D O I：
10.1007/BF02916206
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
To understand fluid dynamic forces acting on a Structure subjected to two-phase now, it is essential to get detailed information about the characteristics of two-phase flow. Stratified steady and unsteady two-phase flows between two parallel plates have been studied to investigate the general characteristics of the flow related to flow-induced vibration. Based on the spectral collocation method, a numerical approach has been developed for the unsteady two-phase flow. The method is validated by comparing numerical result to analytical one given for a simple harmonic two-phase flow. The flow parameters for the steady two-phase flow, such as void fraction and two-phase frictional Multiplier, are evaluated. The dynamic characteristics of the unsteady two-phase flow, including the void fraction effect on the Complex unsteady pressure, are illustrated.
引用
收藏
页码：125 / 132
页数：8
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