Vorticity constraints on a fluid/fluid interface

被引：11
|
作者：
Dopazo, C
Lozano, A
Barreras, F
机构：
[1] Univ Zaragoza, Sch Engn, Fluid Mech Grp, Zaragoza 50015, Spain
[2] CSIC, LITEC, Zaragoza 50015, Spain
来源：
PHYSICS OF FLUIDS | 2000年 / 12卷 / 08期
关键词：
D O I：
10.1063/1.870441
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
General relations among the components of the strain rate tensors and those of the tangential vorticities on the two sides of a liquid/gas interface are derived; kinematic constraints as well as the tangential-stress balance at the interface are used. For small gas to liquid dynamic viscosity ratios compared to unity simple expressions relating the liquid tangential vorticity components to the tangential velocity component perpendicular to them, the interface curvatures and the normal velocity surface-gradient components are obtained. Starting from the customary Eulerian vorticity equation, a transport equation for the vortex sheet strength is obtained. (C) 2000 American Institute of Physics. [S1070-6631(00)02208-X].
引用
收藏
页码：1928 / 1931
页数：4
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