A transient free convection study with temperature-dependent viscosity in a square cavity with a local heat source

被引：0
|
作者：
Astanina, M. S. [1 ]
Sheremet, M. A. [1 ]
机构：
[1] Tomsk State Univ, 36 Lenina Ave, Tomsk 634050, Russia
来源：
INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING, AUTOMATION AND CONTROL SYSTEMS 2015 (MEACS2015) | 2016年 / 124卷
基金：
俄罗斯基础研究基金会;
关键词：
NATURAL-CONVECTION;
D O I：
10.1088/1757-899X/124/1/012039
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Unsteady natural convection inside of a differentially-heated square enclosure filled with a fluid of temperature-dependent viscosity has been numerically studied. A mathematical model formulated in the dimensionless stream function and vorticity has been solved by a finite difference method of the second order accuracy. The effect of dimensionless time and Prandtl number on streamlines and isotherms has been investigated for R-a = 10(5). The results clearly demonstrate an evolution of fluid flow and heat transfer in the case of variable viscosity fluid.
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页数：4
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