洛伦兹阻力和罗斯兰辐射对非牛顿卡森辐射纳米流体传热传质的索氏耗散效应

Uka Uchenna Awucha, Amadi Okechukwub
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引用次数: 0

摘要

当前研究的目标是考虑洛伦兹力和辐射对反应性卡森-纳米流体在具有Soret冲击的拉伸表面上的流动的影响。然而,它的工业和技术应用是众多的,但不限于太阳能发电、玻璃纺丝、核反应堆、食品加工和包装等。所考虑的流动是沿其方向被拉伸的表面的函数,其速度随距离给定的不动点的距离呈线性变化。利用相似变量法,将描述动量、能量(热)和质量传递方程的偏微分方程转化为非量纲形式的非线性常微分方程。应用级数逼近法,给出了解析解。然而,在获得数值解时使用了Mathematica软件。因此,研究了流体物理参数的影响。结果表明:由于非牛顿卡森流体和磁场参数值的联合增强,流体的流动速度减小。热和辐射因子的增加导致速度的增加。集体卡森参数和磁性参数的影响导致热分布的升值。浓度场随Casson和Schmidt参数的提高而减小。壁面能量梯度和质量梯度的递减分布场是非牛顿数增值值的函数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Soret Dissipation Effect On Heat And Mass Transmission Of Non-Newtonian Casson Radiative Nanofluid Flow With Lorentz Drag And Rosseland Radiation
The goal of the current study considers the impact of Lorentz force and radiation on the reactive Casson-Nanofluid flow over a flow over a stretched surface with Soret impact. However, its industrial and technological applications are numerous but not limited to solar power, glass spinning, nuclear reactors, processing and packaging of food, etc. The flow being considered is a function of the stretched surface along its direction in line with a linearly changing velocity with such distance from a given immovable point. The partial differential equations describing the momentum, energy (heat) and mass transfer equations were transformed into non-linear ordinary differential equations in non-dimensional forms through the use of the similarity variables approach. The solution which was carried out through the application of the series approximation method is presented analytically. However, the Mathematica software was used in obtaining the numerical solutions. Thus, the impacts of physical parameters of the fluid were studied. The results indicated that: the velocity of fluid flow lessens due to the combined intensification of values of the non-Newtonian Casson fluid and magnetic field parameters. An upsurge in Grashof heat and radiation factors yields a rise in the velocity. Influence of collective Casson and magnetic parameters leads to an appreciation of heat distribution. Also, the concentration field declines as both the Casson and Schmidt parameters improve. The diminishing distribution fields of both the wall energy and mass gradients are functions of the appreciating values of the non-Newtonian number. 
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