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Hydromagnetic Nanofluids Flow through a Porous Medium with Thermal Radiation, Chemical Reaction and Viscous Dissipation using the Spectral Relaxation Method

机译:使用光谱弛豫法通过热辐射,化学反应和粘性耗散流过多孔介质流动的含氢纳米流体流动

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摘要

We investigate the convective heat and mass transfer in a magnetohydrodynamic nanofluid flow through a porous medium over a stretching sheet subject to heat generation, thermal radiation, viscous dissipation and chemical reaction effects. We have assumed that the nanoparticle volume fraction at the wall may be actively controlled. Two types of nanofluids, namely Cu-water and Al2O3-water are studied. The physical problem is modeled using systems of nonlinear differential equations which have been solved numerically using the spectral relaxation method. Comparing the results with those previously published results in the literature shows excellent agreement. The impact of porosity, heat generation, thermal radiation, magnetic field, viscous dissipation and chemical reaction on the flow field is evaluated and explained.
机译:我们研究了磁性动力学纳米流体流过的对流热量和质量传递通过多孔介质在延伸板上进行发热,热辐射,粘性耗散和化学反应作用。 我们假设可以主动控制墙壁处的纳米粒子体积分数。 研究了两种类型的纳米流体,即Cu水和Al 2 O 3水。 使用在使用光谱弛豫方法的数字上已经解决的非线性微分方程的系统建模了物理问题。 将结果与先前公布的结果进行比较,文献中的结果显示出良好的一致性。 评估并解释孔隙率,发热,热辐射,磁场,粘性耗散和化学反应的影响。

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