Boundary-Layer Characteristics of Compressible Flow past a Heated Cylinder with Viscous Dissipation

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Boundary-Layer Characteristics of Compressible Flow past a Heated Cylinder with Viscous Dissipation

Roy, Nepal C. / Rahman, T. / Hossain, M. A. / Gorla, Rama Subba Reddy

We investigate the flow and heat transfer characteristics of compressible boundary-layer flow past a heated cylinder are investigated, taking into account the effect of viscous dissipation. The governing equations of the compressible boundary layer are reduced to a convenient form for integration introducing suitable dimensionless variables. The resulting equations are then solved numerically using the finite difference method for all time, the perturbation method for short time, and the asymptotic method for long time. For different values of the Mach number $M_{0}$ and the surface temperature parameter $α$ , the numerical solutions are demonstrated to show how the local shear stress and the rate of heat transfer at the surface of the cylinder are affected by these parameters. The influences of those parameters on the streamlines and isotherms are also presented here.