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Transient three-dimensional natural convection in a rectangular enclosure

Authors
Journal
International Journal of Heat and Mass Transfer
0017-9310
Publisher
Elsevier
Publication Date
Volume
39
Issue
1
Identifiers
DOI: 10.1016/s0017-9310(96)85002-2

Abstract

Abstract An experimental study is presented for transient buoyancy-induced natural convection in the Rayleigh number range of 6.9 × 10 7-4.12 × 10 8 for aspect ratios of A H = 3 and A w = 1.2 inside a rectangular enclosure with silicone oil as the working medium wherein the two vertical walls were heated on the right wall and cooled on the left wall as t ⩾ 0, respectively. The remaining four walls were adiabatic. Time evolution of streak flow patterns was observed and temporal temperature distributions are presented and analyzed. In addition, the present results are compared with previous two-dimensional experimental and three-dimensional numerical results.

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