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

页码：125 / 132

页数：8

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