MAGNETOHYDRODYNAMIC RADIATIVE FLOW OF AMAXWELL FLUID ON AN EXPANDING SURFACE WITH THE EFFECTS OF DUFOUR AND SORET AND CHEMICAL REACTION

被引:29
作者
Reddy, M. Vinodkumar [1 ]
Lakshminarayana, P. [1 ]
Vajravelu, K. [2 ]
机构
[1] VIT, Dept Math, Vellore 632014, Tamil Nadu, India
[2] Univ Cent Florida, Dept Math, Orlando, FL 32816 USA
来源
COMPUTATIONAL THERMAL SCIENCES | 2020年 / 12卷 / 04期
关键词
unsteady MHD flow; Dufour and Soret effects; radiation; chemical reaction; STRETCHING SHEET; HEAT-TRANSFER; MASS-TRANSFER; VISCOUS DISSIPATION; POROUS-MEDIUM; SIMILARITY SOLUTION; PERISTALTIC FLOW; NANOFLUID; NANOLIQUID; CHANNEL;
D O I
10.1615/ComputThermalScien.2020034147
中图分类号
O414.1 [热力学];
学科分类号
摘要
This study describes a numerical solution of an unsteady magnetohydrodynamic flow of a Maxwell fluid on an elongating surface in the existence of radiation, higher-order chemical, Dufour and Soret effects. The heat source/sink is also taken into consideration. The governing boundary layer equations are transformed into a system of non-linear ordinary differential equations by means of similarity transformation. The consequential equations are cracked numerically by R-K-based shooting technique. The effects of various important parameters on the flow quantities are studied through graphs. A numerical study of the skin friction, rate of heat transfer, and rate of mass transfer is also a part of this investigation. We observe that the effect of the magnetic field and the permeability parameter is to decrease the velocity field, skin friction coefficient, heat transfer rate, and mass transfer rate. However, the temperature and concentration fields increase with growing values of the space-dependent heat source/sink parameter and the Soret number.
引用
收藏
页码:317 / 327
页数:11
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