变温度变热辐射指数加速斜板多孔介质中MHD流动的传质效应

B. Goud, B. Babu, M. Shekar, G. Srinivas
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引用次数: 14

摘要

本文主要研究具有质量和热量传递的非定常磁流体自由对流通过倾斜板。倾斜板以指数加速度移动,并放置在具有均匀渗透率但浓度和温度变化的饱和多孔介质中。该研究的重要本质是分析具有热源或散热器的流动现象与破坏性反应的倾斜角度。运用伽辽金有限元法求解了控制方程。详细讨论了相关材料参数、磁场和多孔介质磁导率的影响。这揭示了在多孔介质中具有主动磁场的流动逆转。随着倾角和热源的变化,可以观察到减速速度。本研究的应用包括理解渗流中加热/冷却倾斜表面的阻力。
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Mass Transfer Effects on MHD Flow through Porous Medium past an Exponentially Accelerated Inclined Plate with Variable Temperature and Thermal Radiation
The current paper focuses on unsteady MHD free convection flow with mass and heat transfer past an inclined plate. The inclined plate moves with exponential acceleration and is placed in a saturated porous medium having a uniform permeability but a varying concentration and temperature. The important essence of the study is to analyze the angle of inclination on the flow phenomenon with a heat source or sink alongside a destructive reaction. The governing equations are solved with the help of Galerkin Finite Element Method. A detailed discussion on the effects of pertinent material parameters, magnetic field, and permeability of the porous medium is presented. This reveals the flow reversal with an active magnetic field in porous medium. A retarding velocity is observed with angle of inclination and heat source. Applications of the present study include understanding of drag experienced at the heated/cooled inclined surfaces in a seepage flow.
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