Combined Effect of Magnetic Field and Thermal Dispersion on a Non-Darcy Mixed Convection  

作　　者：M. F. EI-Amin Shuyu Sun 

机构地区：[1]Computational Transport Phenomena Laboratory （CTPL）, Division of Physical Sciences and Engineering （PSE）,King Abdullah University of Science and Technology （KAUST）, Thuwal 23955-6900, Jeddah, Kingdom of Saudi Ara-bia [2]Mathematics Department, Faculty of Science, South Valley University, Aswan 81528, EGYPT

出　　处：《Journal of Thermal Science》2011年第3期276-282,共7页热科学学报（英文版）

摘　　要：This paper is devoted to investigate the influences of thermal dispersion and magnetic field on a hot semi-infinite vertical porous plate embedded in a saturated Darcy-Forchheimer-Brinkman porous medium. The coefficient of thermal diffusivity has been assumed to be the sum of the molecular diffusivity and the dynamic diffusivity due to mechanical dispersion. The effects of transverse magnetic field parameter (Hartmann number Ha), Reynolds number Re (different velocities), Prandtl number Pr (different types of fluids) and dispersion parameter on the wall shear stress and the heat transfer rate are discussed.

关 键 词：Thermal dispersion non-Darcy convection magneto-hydro-dynamics porous media geothermal systems 

分 类 号：TK124[动力工程及工程热物理—工程热物理] TB302.1[动力工程及工程热物理—热能工程]