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Brownian Motion and Thermophoresis Effects on MHD Three Dimensional Nanofluid Flow with Slip Conditions and Joule Dissipation Due to Porous Rotating Disk

机译:布朗运动和热泳效应对MHD三维纳米流体流动的滑动条件和多孔转盘引起的焦耳耗散

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摘要

This paper examines the time independent and incompressible flow of magnetohydrodynamic (MHD) nanofluid through a porous rotating disc with velocity slip conditions. The mass and heat transmission with viscous dissipation is scrutinized. The proposed partial differential equations (PDEs) are converted to ordinary differential equation (ODEs) by mean of similarity variables. Analytical and numerical approaches are applied to examine the modeled problem and compared each other, which verify the validation of both approaches. The variation in the nanofluid flow due to physical parameters is revealed through graphs. It is witnessed that the fluid velocities decrease with the escalation in magnetic, velocity slip, and porosity parameters. The fluid temperature escalates with heightening in the Prandtl number, while other parameters have opposite impacts. The fluid concentration augments with the intensification in the thermophoresis parameter. The validity of the proposed model is presented through Tables.
机译:本文研究了具有速度滑移条件的磁流体动力学(MHD)纳米流体通过多孔旋转盘的时间独立且不可压缩的流动。仔细研究具有粘性耗散的质量和热传递。拟议的偏微分方程(PDE)通过相似性变量转换为常微分方程(ODE)。运用分析和数值方法来检验建模问题并进行相互比较,从而验证了这两种方法的有效性。通过图表揭示了由于物理参数而导致的纳米流体流量的变化。可以看出,流体速度随着磁参数,速度滑动参数和孔隙度参数的增加而降低。流体温度随着Prandtl数的增加而升高,而其他参数则有相反的影响。流体浓度随着热泳参数的增加而增加。通过表显示了所提出模型的有效性。

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