Heat and Mass Transfer Effects on MHD Mixed Convective Flow of a Vertical Porous Surface in the Presence of Ohmic Heating and Viscous Dissipation

Q2 Mathematics CFD Letters Pub Date : 2024-07-21 DOI:10.37934/cfdl.16.12.7284
Hari Krishna Yaragani, Anupama Anumolu, Vijaya Lakshmi G, Bindu Pathuri, Reddy G.V.R.
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引用次数: 0

Abstract

The present paper addresses the combined effects of thermal radiation and chemical reaction on steady MHD mixed convective flow of heat and mass transfer past a vertical surface under the influence of Joule and viscous dissipation. The governing system of the partial differential equations is transformed into the dimensionless equations using dimensionless variables. The dimensionless equations are solved numerically using two term perturbation technique and numerical solution as in graphically. The effects of the various parameters entering the problem on the dimensionless velocity, temperature and concentration fields within the boundary layer are discussed qualitatively. The velocity increases with an increase in Grashof number Gr, permeability parameter and solutal Grashof number Gm but decreases in magnetic parameter.
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存在欧姆加热和粘性耗散时垂直多孔表面 MHD 混合对流的传热和传质效应
本文探讨了在焦耳耗散和粘性耗散的影响下,热辐射和化学反应对流经垂直表面的稳定 MHD 混合对流传热和传质的综合影响。利用无量纲变量将偏微分方程的支配系统转化为无量纲方程。利用两期扰动技术对无量纲方程进行数值求解,数值求解结果如图所示。定性讨论了进入问题的各种参数对边界层内无量纲速度场、温度场和浓度场的影响。速度随格拉肖夫数 Gr、渗透参数和溶质格拉肖夫数 Gm 的增加而增加,但随磁性参数的增加而减小。
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来源期刊
CFD Letters
CFD Letters Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
3.40
自引率
0.00%
发文量
76
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