On the influence of viscous effects on 2-D cavitating vortices

被引：0
|
作者：
Bosschers, Johan [1 ]
机构：
[1] Maritime Res Inst Netherlands, MARIN, Wageningen, Netherlands
来源：
PROCEEDINGS OF THE 9TH INTERNATIONAL CONFERENCE ON HYDRODYNAMICS (ICHD - 2010) | 2010年
关键词：
Cavitation; vortex; viscosity;
D O I：
暂无
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
This paper describes the influence of viscous effects on an axisymmetric cavitating vortex in 2-D viscous incompressible flow in steady and unsteady conditions. A computational model is presented that solves for the cavity motion and the circumferential velocity distribution. Results are shown for the relation between cavity radius and cavitation number for steady flow including a comparison with experimental data. Unsteady simulations show that viscous effects have an influence on the resonance frequency of the cavitating vortex and show how the vortex cavity and circumferential velocity behave when subjected to a pressure change.
引用
收藏
页码：805 / 812
页数：8
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