Benard-Marangoni Instability in a Two-Layer System with Uniform Heat Flux

被引：11

作者：

Yang, H. Q. ^{[1
]}

Yang, K. T. ^{[1
]}

机构：

[1] Univ Notre Dame, Dept Aerosp & Mech Engn, Notre Dame, IN 46556 USA

来源：

JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER | 1990年 / 4卷 / 01期

关键词：

D O I：

10.2514/3.29169

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The onset of motion in two immiscible fluids heated from below by a uniform heat flux is studied analytically. The solution is based on the parallel-flow assumption. The critical Rayleigh and Marangoni numbers are determined. The superimposed cell mode in a single fluid layer is found to be possible when Ma > 180. The secondary cell in the two-layer system, if any, can only appear in one of the layers, and the conditions leading to the secondary cell are specified. The influence of upper free boundary, responses in a solid-layer and a fluid-layer system, as well as the use of equivalent Rayleigh numbers are also discussed.

引用

页码：73 / 78

页数：6

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