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   Radiation, Heat Generation and Viscous Dissipation Effects on MHD Boundary Layer Flow for the Blasius and Sakiadis Flows with a Convective Surface Boundary Condition  
   
نویسنده gangadhar k.
منبع journal of applied fluid mechanics - 2015 - دوره : 8 - شماره : 3 - صفحه:559 -570
چکیده    This study is devoted to investigate the radiation, heat generation viscous dissipation and magnetohydrodynamic effects on the laminar boundary layer about a flat-plate in a uniform stream of fluid (blasius flow), and about a moving plate in a quiescent ambient fluid (sakiadis flow) both under a convective surface boundary condition. using a similarity variable, the governing nonlinear partial differential equations have been transformed into a set of coupled nonlinear ordinary differential equations, which are solved numerically by using shooting technique alongside with the forth order of runge-kutta method and the variations of dimensionless surface temperature and fluid-solid interface characteristics for different values of magnetic field parameter m, grashof number gr, prandtl number pr, radiation parameter nr, heat generation parameter q, convective parameter y and the eckert number ec, which characterizes our convection processes are graphed and tabulated. quite different and interesting behaviors were encountered for blasius flow compared with a sakiadis flow. a comparison with previously published results on special cases of the problem shows excellent agreement.
کلیدواژه heat transfer; mhd; blasius/sakiadis flows; heat generation; thermal radiation; eckert number;convective surface boundary condition; similarity solution
آدرس acharya nagarjuna university, ongole campus, department of mathematics, india
پست الکترونیکی kgangadharmaths@gmail.com
 
     
   
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