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Navier's slip effect on Carreau nanouid flow past a convectively heated wedge in the presence of nonlinear thermal radiation and magnetic field
International Communications in Heat and Mass Transfer ( IF 6.4 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.icheatmasstransfer.2020.104813
Susmay Nandi , Bidyasagar Kumbhakar

Abstract In this article, an investigation is carried out for Carreau nanofluid flow past a convectively heated stretching wedge with Navier's velocity slip condition along with magnetic field effect. The presence of nonlinear thermal radiation, viscous dissipation, Joule heating and suction influences are also taken into account. Rosseland's approximation is employed for approximating the radiative heat flux. The dimensional model equations are transformed into non-dimensional forms using some appropriate non-dimensional transformation and the resulting nonlinear boundary value problem is solved numerically using Runge-Kutta Cash-Karp method based shooting technique. The variations in velocity, temperature and concentration profiles with respect to various pertinent physical parameters are analyzed with the help of figures. Numerical values of skin friction coefficient, Nusselt and Sherwood numbers are explained and shown in the form of tables. Also, the obtained results are validated with the results existing in literature for some reduced case and an admirable agreement is noticed among the results.

中文翻译:

在非线性热辐射和磁场存在下,Navier 对 Carreau 纳米流体流过对流加热楔的滑移效应

摘要 在本文中,研究了在纳维速度滑移条件和磁场效应下 Carreau 纳米流体流过对流加热拉伸楔的问题。还考虑了非线性热辐射、粘性耗散、焦耳热和吸力影响的存在。Rosseland 近似值用于近似辐射热通量。使用一些适当的无量纲变换将量纲模型方程转化为无量纲形式,并使用基于 Runge-Kutta Cash-Karp 方法的射击技术对由此产生的非线性边值问题进行数值求解。借助数字分析速度、温度和浓度曲线相对于各种相关物理参数的变化。以表格的形式解释和显示了皮肤摩擦系数、努塞尔特数和舍伍德数的数值。此外,获得的结果与文献中存在的一些简化案例的结果进行了验证,结果之间出现了令人钦佩的一致性。
更新日期:2020-11-01
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