Application of non-Fourier double diffusions theories to the boundary-layer flow of a yield stress exhibiting fluid model
Application of non-Fourier double diffusions theories to the boundary-layer flow of a yield stress exhibiting fluid model
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非傅立叶双扩散理论在屈服应力流体模型边界层流动中的应用
DOI：
10.1016/j.physa.2019.122753
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发表时间：
2020
影响因子：
3.3
通讯作者：
S. Abdelsalam
中科院分区：
文献类型：
--
作者：
M. Sohail;R. Naz;S. Abdelsalam
本文着重讨论了多孔介质中线性拉长表面上Casson液体混合对流边界层流动的动量、热量和质量传递的性质。热传递机制和质量传递机制分别以Cattneo-Christov热流和广义Fick定律的形式得到支持。对符合动量、能量和浓度方程的非线性偏微分方程组进行适当的恢复，使之成为高度非线性耦合的常微分方程组。变换边界层常微分方程组的数值解采用可靠的技术，即最优同伦分析方法(OHAM)。文中对解析解的收敛给出了图解解释，并给出了计算解上卷曲物理参数的流动行为。通过比较现有分析结果作为可用工作的极限情况，确定了该算法的可靠性和效率，并且该算法得到了很好的解决。此外，据报道，增大磁参数的值会降低流体速度，并使温度和浓度分布上升。
This letter highlights the possessions of momentum, heat and mass transmission on mixed convection boundary layer flow of Casson liquid over a linear elongating surface in porous medium. Heat and mass transmission mechanisms are supported out in the form of Cattaneo–Christov heat flux and generalized Fick’s law respectively. Appropriate restorations are smeared to revolutionize nonlinear partial differential equations (PDEs) conforming to momentum, energy and concentration equations into highly nonlinear coupled ordinary differential equations (ODEs) system. Numerical solutions of transformed boundary layer ordinary differential equations (ODEs) are attained by reliable technique namely Optimal homotopy analysis method (OHAM). Graphical interpretation is given for convergence of analytic solutions and flow behavior of convoluted physical parameters on calculated solutions is presented and explicated in this examination. Reliability and efficiency of the proposed algorithm is established by comparing the results of present analysis as a limiting case of available work, and it is found to be in excellent settlement. Moreover, it is reported that augmenting values of magnetic parameter reduces the fluid velocity and upsurges the temperature and concentration profiles.