TRANSITION TO TIME-PERIODICITY OF A NATURAL-CONVECTION FLOW IN A 3D DIFFERENTIALLY HEATED CAVITY

被引：69
|
作者：
JANSSEN, RJA
HENKES, RAWM
HOOGENDOORN, CJ
机构：
[1] J. M. Burgers Centre, Department of Applied Physics, Delft University of Technology, 2600 GA Delft
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 1993年 / 36卷 / 11期
关键词：
D O I：
10.1016/0017-9310(93)90111-I
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The steady and time-periodic flow of air in a differentially heated cubical cavity has been studied numerically, using the finite-volume method. In the steady flow regime, the scaling in the boundary layer along the wall has been investigated. In the periodic flow regime, the calculated frequency was almost the same as for the two-dimensional square cavity, suggesting that the same instability mechanism is in both cases responsible for the bifurcation. There was, however, a strong three-dimensionality in the distribution of the amplitude of the oscillations.
引用
收藏
页码：2927 / 2940
页数：14
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