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RADIATION EFFECTS ON A PARTICIPATING ELECTRICALLY CONDUCTIVE FLUID IN A SQUARE CAVITY

DOI: 10.1615/ICHMT.2012.CHT-12.700
pages 1141-1153

Jing-Kui Zhang
Key Laboratory of Electromagnetic Processing of Materials of Ministry of Education, Northeastern University; Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081

Ben-Wen Li
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian, 116024, China

Zhangmao Hu
Key Laboratory of Electromagnetic Processing of Materials (Ministry of Education), Northeastern University, P.O.Box 314, Shenyang 110004, China

Abstract

A numerical investigation is presented for fluid flow and heat transfer of an electrically conductive liquid in a square cavity. In this work, the right wall of the cavity is kept at a high constant temperature, and the others are at low uniform temperature. The cool walls and the fluid are heated by both convection and radiation. The motion of the fluid is described by continuity equation and momentum equation which are solved by artificial compressibility algorithm based on finite volume method (FVM). The heat transfer of the fluid along with the walls is described by energy equation and radiative transfer equation (RTE) which are solved by FVM and discrete ordinates method (DOM) respectively. New dimensionless number A and B are obtained by dimensional analysis of governing equations. Investigations are performed with different A number and Ha number. The results show that radiation has remarkable effects on fluid flow and heat transfer under different values of parameters.

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