A NOTE ON MULTIPLE AND UNSTEADY SOLUTIONS IN 2-DIMENSIONAL CONVECTION IN A TALL CAVITY

被引：63
|
作者：
LEQUERE, P
机构：
[1] LIMSI-CNRS, Orsay Cedex
来源：
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 1990年 / 112卷 / 04期
关键词：
Enclosure flows; Flow instability; Natural convection;
D O I：
10.1115/1.2910508
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Two-dimensional natural convection in a vertical differentially heated air-filled cavity is investigated numerically from the onset of the multicellular flow structure to the return of the unicellular pattern. Several branches of solutions characterized by different numbers of cells in the flow structure are found. The return to the unicellular flow structure occurs through a gradual decrease in the number of cells and each change in the number of cells is characterized by hysteresis. Also, unsteady solutions are found. © 1990 by ASME.
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页码：965 / 974
页数：10
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