Pressure Work Effect on Natural Convection Flow from a Vertical Circular Cone with Suction and Non-Uniform Surface Temperature

Abstract

Laminar free convection from a vertical circular cone maintained at non-uniform surface temperature with effects of suction and pressure work are considered. Non-similarity solutions for boundary layer equations are found to exist when the surface temperature follows the power law variations with the distance measured from the leading edge. The numerical solutions of the transformed non-similar boundary layer equations are obtained by using a finite difference method with Keller Box scheme. Solutions obtained in terms of skin-friction, local rate of heat transfer, velocity and temperature profiles for the values of Prandtl number, pressure work parameter and temperature gradient are displayed in both graphical and tabular forms.Keywords: Free convection, Viscous dissipation, Boussinesq approximation, Temperature gradient, Pressure work.Journal of Mechanical Engineering Vol.36 Dec. 2006 pp.6-11DOI = 10.3329/jme.v36i0.805