Unsteady Mixed Convection Slip Flow around a Stretching Sheet in Porous Medium
Unsteady Mixed Convection Slip Flow around a Stretching Sheet in Porous Medium作者机构：Department of Mathematics Chittagong University of Engineering & Technology Chattogram Bangladesh Department of Natural Science Port City International University Chattogram Bangladesh
出 版 物：《Journal of Applied Mathematics and Physics》 (应用数学与应用物理（英文）)
年 卷 期：2022年第10卷第10期
页 面：3016-3036页
学科分类：07[理学] 0701[理学-数学] 070101[理学-基础数学]
主 题：Mixed Convection Porous Medium Slips Boundary Conditions Suction/Blowing
摘 要：The heat and mass transfer of unsteady MHD two-dimensional mixed convection boundary layer flow over an exponentially porous stretching sheet is presented in this paper. Multiple slip conditions, radiation, suction or blowing, heat generation or absorption along with magnetism and porous medium are incorporated. We reduce the leading equations which are partial differential equations into a family of ordinary differential equations that are non-linear using a set of similarity transformations. The resulting equations with coupled boundary conditions are solved numerically with the aid of bvp4c solver with MATLAB package. The impacts of several non-dimensional governing parameters on the flow fields such as velocity, temperature and concentration profiles along with friction coefficient, temperature gradient and concentration gradient are portrayed graphically and discussed in detail. The result indicates that the magnetic parameter decreases the skin friction coefficient. Thermal boundary layer thickness reduces with increasing radiation parameters and enhances with increasing Prandtl number. It is also observed that the thermal slip parameter depreciates the heat transfer rate and the mass slip parameter diminishes the mass transfer rate. A comparison has been made between the current results and the numerical results of previous studies and observed a very close good agreement.
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