NUMERICAL STUDY ON DOUBLE DIFFUSIVE MIXED CONVECTION WITH A SORET EFFECT IN A TWO-SIDED LID-DRIVEN CAVITY

被引:60
|
作者
Bhuvaneswari, M. [1 ]
Sivasankaran, S. [2 ]
Kim, Y. J. [1 ]
机构
[1] Sungkyunkwan Univ, Sch Mech Engn, Suwon 440746, South Korea
[2] Sungkyunkwan Univ, Univ Coll, Suwon 440746, South Korea
关键词
VELOCITY-VORTICITY FORMULATION; HEATED SQUARE CAVITY; THERMOSOLUTAL CONVECTION; TEMPERATURE; ENCLOSURE; SIMULATION; GRADIENTS; FLOWS; LAYER;
D O I
10.1080/10407782.2011.561077
中图分类号
O414.1 [热力学];
学科分类号
摘要
In the present study, a numerical analysis is performed to understand the mixed convection flow, and heat and mass transfer with Soret effect in a two-sided lid-driven square cavity. The horizontal walls of the cavity are adiabatic and impermeable, while vertical walls are kept at constant but different temperatures and concentrations. The vertical walls move in a constant velocity. According to the direction of the movement of walls, three cases have been studied for different combinations of parameters involved in the study. The governing unsteady equations are solved numerically by the finite volume method with the SIMPLE algorithm. The results are presented graphically in the form of streamlines, isotherms, and velocity profiles. Heat and mass transfer rates are reduced if both walls are moving the in same direction, while heat and mass transfer rates are enhanced if the walls are moving in the opposite direction.
引用
收藏
页码:543 / 560
页数:18
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