A NUMERICAL STUDY OF 3-DIMENSIONAL NATURAL-CONVECTION IN A DIFFERENTIALLY HEATED CUBICAL ENCLOSURE

被引:481
作者
FUSEGI, T
HYUN, JM
KUWAHARA, K
FAROUK, B
机构
[1] INST SPACE & ASTRONAUT SCI,KANAGAWA 229,JAPAN
[2] KOREA ADV INST SCI & TECHNOL,DEPT MECH ENGN,SEOUL 131,SOUTH KOREA
[3] DREXEL UNIV,DEPT MECH ENGN & MECH,PHILADELPHIA,PA 19104
关键词
D O I
10.1016/0017-9310(91)90295-P
中图分类号
O414.1 [热力学];
学科分类号
摘要
A high-resolution, finite difference numerical study is reported on three-dimensional steady-state natural convection of air, for the Rayleigh number range 10(3) less-than-or-equal-to Ra less-than-or-equal-to 10(6), in a cubical enclosure, which is heated differentially at two vertical side walls. The details of the three-dimensional flow and thermal characteristics are described. Extensive use is made of state-of-the-art numerical flow visualizations. The existence of the transverse z-component velocity, although small in magnitude, is clearly shown. Comparison of the present three-dimensional results with the two-dimensional solutions is conducted. The three-dimensional data demonstrate reasonable agreement with the experimental measurements.
引用
收藏
页码:1543 / 1557
页数:15
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