Instabilities of a liquid layer locally heated on its free surface

被引：39

作者：

Favre, E ^{[1
]}

Blumenfeld, L ^{[1
]}

Daviaud, F ^{[1
]}

机构：

[1] CEA SACLAY,DSM,DRECAM,SPEC,F-91191 GIF SUR YVETTE,FRANCE

来源：

PHYSICS OF FLUIDS | 1997年 / 9卷 / 05期

关键词：

D O I：

10.1063/1.869470

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

We report experimental results concerning patterns in a model experiment built to study buoyant-thermocapillary-driven flows. The fluid is situated in a cooled cylindrical container and locally heated on its free surface. The resulting temperature gradient induces a basic flow which draws the surface fluid from the hot center toward the cold boundary. When the gradient is increased and depending on the height of liquid, the basic flow destabilizes into different stationary patterns. Above a second threshold, the patterns become time-dependent. These different instabilities are characterized and compared to recent theoretical results. (C) 1997 American Institute of Physics.

引用

页码：1473 / 1475

页数：3

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