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首页> 外文期刊>Results in Physics >Chemical reaction and heat generation/absorption aspects in MHD nonlinear convective flow of third grade nanofluid over a nonlinear stretching sheet with variable thickness
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Chemical reaction and heat generation/absorption aspects in MHD nonlinear convective flow of third grade nanofluid over a nonlinear stretching sheet with variable thickness

机译：厚度可变的非线性拉伸片材上三级纳米流体的MHD非线性对流中的化学反应和生热/吸收方面

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摘要

Highlights ? Magnetohydrodynamic (MHD) nonlinear radiative flow of third grade nanofluid modeled. ? Effects of heat generation/absorption and nonlinear convection are considered. ? Aspects of chemical reaction and zero mass flux condition are introduced. ? Brownian motion and thermophoresis phenomena are taken due to nanofluid. ? Skin friction coefficient and local Nusselt number are tabulated and examined. Abstract Nonlinear thermal radiation and chemical reaction in magnetohydrodynamic (MHD) flow of third grade nanofluid over a stretching sheet with variable thickness are addressed. Heat generation/absorption and nonlinear convection are considered. The sheet moves with nonlinear velocity. Sheet is convectively heated. In addition zero mass flux condition for nanoparticle concentration is imposed. Results for velocity, temperature, concentration, skin friction and local Nusselt number are presented and examined. It is found that velocity and boundary layer thickness are increasing for Reynolds number. Temperature is a increasing function of the heat generation/absorption parameter while it causes a decrease in the heat transfer rate. Moreover effect of Brownian motion and chemical reaction on the concentration are quite reverse.
机译：强调 ？对第三级纳米流体的磁流体动力学（MHD）非线性辐射流进行了建模。 ？考虑热量产生/吸收和非线性对流的影响。 ？介绍了化学反应和零质量通量条件的各个方面。 ？由于纳米流体，发生了布朗运动和热泳现象。 ？将皮肤摩擦系数和局部Nusselt值制成表格并进行检查。摘要研究了第三级纳米流体在厚度可变的拉伸片上的磁流体动力学（MHD）流中的非线性热辐射和化学反应。考虑热量的产生/吸收和非线性对流。纸张以非线性速度移动。片材被对流加热。另外，对纳米粒子浓度施加零质量通量条件。呈现并检查了速度，温度，浓度，皮肤摩擦和局部Nusselt数的结果。发现雷诺数的速度和边界层厚度都在增加。温度是热量产生/吸收参数的增加函数，同时它导致传热速率降低。此外，布朗运动和化学反应对浓度的影响是相反的。

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