Transient behavior of vertical buoyancy layer in a stratified fluid

被引：22
|
作者：
Park, JS
Hyun, JM
机构：
[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea
[2] Halla Inst Technol, Dept Mech Engn, WonJu 220840, Kang Won Do, South Korea
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 1998年 / 41卷 / 24期
关键词：
D O I：
10.1016/S0017-9310(98)00175-6
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A straightforward analysis is made of the transient behavior of the buoyancy layer generated by an impulsive step-change of the temperature at the wall. The analysis produced a complete formal solution to the problem. The character of the transient layer shows a strong dependence on the prandtl number. The transitory approach to the steady-state is a non-oscillatory or oscillatory depending on (σ-1)2 > or < 4σ Ra.
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页码：4393 / 4397
页数：5
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