Mixed convection and heat generation/absorption aspects in MHD flow of tangent-hyperbolic nanoliquid with Newtonian heat/mass transfer

被引：44

作者：

Qayyum, Sajid ^{[1
]}

Hayat, Tasawar ^{[1
,2
]}

Shehzad, Sabir Ali ^{[3
]}

Alsaedi, Ahmed ^{[2
]}

机构：

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

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

[3] COMSATS Inst Informat Technol, Dept Math, Sahiwal 57000, Pakistan

来源：

RADIATION PHYSICS AND CHEMISTRY | 2018年 / 144卷

关键词：

Tangent hyperbolic nanofluid; Magnetohydrodynamic (MHD); Stagnation point flow; Thermal radiation; Heat generation/absorption; Newtonian heat and mass conditions; STAGNATION-POINT FLOW; NONLINEAR THERMAL-RADIATION; MAGNETIC-FIELD; 3-DIMENSIONAL FLOW; STRETCHING SHEET; VARIABLE THICKNESS; CHEMICAL-REACTION; WILLIAMSON NANOFLUID; JEFFREY NANOFLUID; PERISTALTIC FLOW;

D O I：

10.1016/j.radphyschem.2017.10.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This article concentrates on the magnetohydrodynamic (MHD) stagnation point flow of tangent hyperbolic nanofluid in the presence of buoyancy forces. Flow analysis caused due to stretching surface. Characteristics of heat transfer are examined under the influence of thermal radiation and heat generation/absorption. Newtonian conditions for heat and mass transfer are employed. Nanofluid model includes Brownian motion and thermophoresis. The governing nonlinear partial differential systems of the problem are transformed into a systems of nonlinear ordinary differential equations through appropriate variables. Impact of embedded parameters on the velocity, temperature and nanoparticle concentration fields are presented graphically. Numerical computations are made to obtain the values of skin friction coefficient, local Nusselt and Sherwood numbers. It is concluded that velocity field enhances in the frame of mixed convection parameter while reverse situation is observed due to power law index. Effect of Brownian motion parameter on the temperature and heat transfer rate is quite reverse. Moreover

引用

页码：396 / 404

页数：9

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