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首页> 外文期刊>Journal of Nanofluids >Numerical Investigation of Heat Generation and Magnetohydrodynamic Flow of Fluid Over a Shrinking Infinite Long Cylinder Through Porous Medium
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Numerical Investigation of Heat Generation and Magnetohydrodynamic Flow of Fluid Over a Shrinking Infinite Long Cylinder Through Porous Medium

机译：的热量生成和数值调查磁流体动力流体在流动通过多孔缩小无限长圆柱体媒介

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摘要

The objective of the present study is to observe the magnetohydrodynamic flow and heat transfer for the fluid flow over a shrinking cylinder of time dependent radius in a cylindrical coordinate. The flow is induced by heat generation effect and suction effect on the walls of cylinder. The governing equations modelled in terms of partial differential equation are reduced to ordinary differential equations using suitable similarity transformation variables. A numerical technique, Iterative power series has been employed using Mathematica software to tackle the problem. The two solutions are acquired for momentum and temperature profiles, which never intersect. The physical behavior of the solution has been explored in terms of parametric analysis and graphical demonstration. The skin friction and Nusselt number of practical interests has been acquired and portrayed graphically. Furthermore, for both solutions, the temperature of the fluid rises with the suction and unsteadiness parameters. We also see that when the magnetic force increases, the second solution diminishes. Finally, at a given value of the suction parameter, the two solutions for skin friction coefficient converge to a single solution.
机译：本研究的目的是观察磁流体动力流动和传热流体流动的减少缸与时间有关的圆柱的半径坐标。代效应和抽吸效应在墙上的气缸。的偏微分方程常微分方程使用减少合适的相似变换变量。数字技术,迭代幂级数使用Mathematica软件使用解决这一问题。获得了动量和温度资料,这永远不会相交。解决方案方面的探索参数分析和图形演示。皮肤的摩擦和努塞尔特的实际数量利益获取和描述图形化。与吸入液体的温度上升和不稳定参数。当磁力增加,第二解决方案减少。皮肤吸参数,这两个解决方案摩擦系数收敛于一个解决方案。

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