期刊
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
卷 54, 期 5-6, 页码 1091-1100出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2010.11.013
关键词
Magnetohydrodynamics; Quasi two-dimensional model; Channel flow; Circular cylinder; Blockage ratio
The fluid flow and heat transfer of a liquid metal past a circular cylinder in a rectangular duct (width-to-height aspect ratio of 2) under a strong transverse magnetic field is studied numerically using a quasi-two-dimensional model. Transition from steady to unsteady flow regimes is determined as a function of Hartmann number and blockage ratio, as are Strouhal number, and the heat transfer from the heated wall to the fluid. Downstream cross-stream mixing induced by the cylinder wake was found to increase heat transfer by more than a factor of two in some cases. (C) 2010 Elsevier Ltd. All rights reserved.
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