Abstract
In this paper, the numerical analyses of the flow with heat transfer flow in pipe having fins were studied. The analyses were carried out for the several of combination models in the length and interval of fin over a wide range of Reynolds number. The k-ε turbulence model was chosen to calculate the velocity and temperature. The results obtainded were as follows ; (a) the temperature differences between the inlet and outlet decreased and presented distinction each other with increasing Reynolds number, (b) the pressure drag coefficient was constant approximately in each pipe, and differ greatly from each other.
