A modified homogeneous-heterogeneous reactions for MHD stagnation flow with viscous dissipation and Joule heating

被引：136

作者：

Khan, Muhammad Imran ^{[1
]}

Hayat, Tasawar ^{[2
,3
]}

Khan, Muhammad Ijaz ^{[2
]}

Alsaedi, Ahmed ^{[3
]}

机构：

[1] Heriot Watt Univ, Inst Petr Engn, Edinburgh, Midlothian, Scotland

[2] Quaid I Azam Univ 45320, Dept Math, Islamabad 44000, Pakistan

[3] King Abdulaziz Univ, Nonlinear Anal & Appl Math NAAM Res Grp, Dept Math, Fac Sci, Jeddah 21589, Saudi Arabia

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2017年 / 113卷

关键词：

Casson fluid; Viscous dissipation; Joule heating; Homogeneous-heterogeneous reactions; Stagnation point flow; MIXED CONVECTION FLOW; POINT FLOW; MAGNETOHYDRODYNAMIC FLOW; MAGNETIC-FIELD; CASSON FLUID; MODEL; NANOMATERIAL; RADIATION; LIQUID; SHEET;

D O I：

10.1016/j.ijheatmasstransfer.2017.05.082

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Our objective here is to introduce the new chemical reaction model in MHD stagnation point flow. Mathematical modeling is based for the rheological relations of Casson liquid. Flow induced is due to sheet moving with nonlinear velocity. The velocity of external flow is also nonlinear. Effects of magneto-hydrodynamics (MHD), viscous dissipation and joule heating are also accounted. Nonlinear differential systems via implementation of appropriate transformations are computed through built in shooting method. Graphical and tabular behaviors of various pertinent parameters on velocity, temperature, concentration, skin friction and Nusselt and Sherwood numbers are analyzed. Our computed results interpret that velocity distribution decays for higher estimation of magnetic parameter while temperature distribution shows increasing behavior for larger homogeneous heat parameter. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：310 / 317

页数：8

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