MHD Flow and Heat Transfer (PST and PHF) of Dusty Fluid Suspended with Alumina Nanoparticles Over a Stretching Sheet Embedded in a Porous Medium Under the Influence of Thermal Radiation

被引:15
|
作者
Krishnamurthy, M. R. [1 ,3 ]
Kumar, Ganesh [1 ]
Gireesha, B. J. [1 ]
Rudraswamy, N. G. [2 ]
机构
[1] Kuvempu Univ, Dept Studies & Res Math, Shimoga 577451, Karnataka, India
[2] Sahyadri Sci Coll, Dept Math, Shivamogga 577201, Karnataka, India
[3] JNN Coll Engn, Dept Math, Shivamogga 577401, Karnataka, India
关键词
Boundary Layer Flow; Heat Transfer; Dust Particles; Nanoparticles; Thermal Radiation;
D O I
10.1166/jon.2018.1473
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
This article aims to study the boundary layer flow and heat transfer of an incompressible Al2O3-water nanoparticle with homogeneously suspended dust particles in the presence of thermal radiation. The flow is generated due to linear stretching surface in the presence of uniform magnetic field. The similarity transformations are used to reduce the governing partial differential equations into a set of nonlinear ordinary differential equations. Numerical solutions are obtained for these equations using efficient numerical technique Runge-Kutta-Fehlberg fourth-fifth order method with the help of symbolic algebra software MAPLE. Numerical values of velocity and heat transfer coefficient are plotted in the form of graphs for different flow controlling parameters. It's found that, the Nusselt number increases with increase in Eckert number, while it decreases with increasing values of Prandtl number and the skin friction coefficient decreases with increase in magnetic parameter, permeability parameter coupling parameter.
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页码:527 / 535
页数:9
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