Heat transfer analysis of fin & tube heat exchanger is majorly considered for cooling using convection process in most
of the industrial process. In order to understand the temperature distribution and to minimize the heat losses, heat transfer
analysis help us to understand the temperature profiles of fin & tube sections. An aluminum section of fin & tube heat
exchanger with axi-symmetric model of 90 deg section is considered. The tube carries a contained hot fluid while the exterior
surfaces experience a convective condition. It has been determined that the fluid causes a wall temperature of 200°C at the
entrance and 150°C wall temperature at the exit. The effect of radiation is also considered which is very minimal significance is
observed.