Volume 20 No 20 (2022)
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UNSTEADY RADIATIVE FLOW, HEAT AND MASS TRANSFER THROUGH A SQUEEZING CHANNEL IN THE PRESENCE OF JOULE HEATING AND HEAT SOURCE/SINK
Suresh Kumar, Sushila Choudhary, Anil Sharma
Abstract
Unsteady MHD flow, heat and mass transfer of an incompressible electrically conducting viscous fluid squeezed between two infinite non conducting parallel plates separated by variable distance in the presence of heat source/sink and Joule heating effect is investigated. Radiation and dissipation effects also considered here. The momentum, energy and concentration equations governing the MHD squeeze flow are reduced to non linear ordinary differential equations by using similarity transformations. Approximate solution of equations subject to the appropriate boundary conditions is obtained by using fourth order Runge-Kutta method with shooting technique. The effects of different physical parameters on velocity, temperature and concentration distributions are discussed through graphs. The skin friction coefficient, Nusselt number and Sherwood number are derived, discussed numerically and their numerical values for various values of physical parameters are presented through tables.
Keywords
MHD, Squeeze flow, Radiation, Heat source/sink, Joule heating.
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