![]() INTRODUCTION Heat transfer is a phenomenon associated with both Newtonian and non-Newtonian fluids and finds its relevance in various industrial processes. Key Words: Free Convection flow Jeffrey fluid inclined circular pipe. The Nusselt number increases with the increasing inclination parameter. The results have been compared with the corresponding case of linear density temperature variation. It is observed that the velocity decreases with the increase in the parameters γ and, whereas the temperature increases with the increase in the parameters γ and. The rate of heat transfer from the pipe wall to the fluid is determined. Applying perturbation method, the nonlinear governing equations are solved and the expressions for the velocity field and the temperature distribution are obtained. A non-linear density temperature relationship is taken to express the body force term as buoyancy term. ![]() Free convection flow of a Jeffrey fluid in an inclined circular pipe has been investigated.
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