Simultaneous Free Convection and Heat Generation on a Horizontal Isothermal Circular Cylinder

Sajjad Sedighi and Mohammad Saeed Aghighi

Modern Applied Science, 2015, vol. 9, issue 12, 21

Abstract: The linear boundary layer of the free flow around a circular horizontal cylinder with uniform surface temperature in the presence of heat generation was studied. Upon obtaining the non-dimensional boundary layer equations, the Runge-Kutta series method was used to solve the non-linear partial differential equations numerically. The surface shear stress results and surface heat rate were subsequently obtained in terms of the internal shell friction and the local Nusselt number respectively. The following heat generation parameters (C) were selected- 0.0, 0.2, 0.5, 0.8, and 1.0. The following results were obtained- 1) increasing C led to a corresponding increase u, v , VM , and θ , 2) Increasing i led to a corresponding increase in u, v , and VM, and 3) increasing C increased velocity variations and, naturally, the value of Cf, and 4) increasing i from i=0 to i=100 led to a decrease in the Nusselt number (Nu).Â

Date: 2015
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