COMPUTATION OF HEAT TRANSFER COEFFICIENTS IN ANSYS CFX

M.A. Scherbakov

In this paper the computational methodology of the heat transfer coefficient on the walls of streamline bodies in CFD problems is presented. Mesh of bodies absents in these CFD problems. The influence of wall finite volume size on computational results is shown. The influence of mesh model size on results was investigated on the model problems: streamline of the infinite cylinder, flow in the U-ducts canal with smooth and rib roughened walls. The example of practical application of this methodology is shown by computation of the turbine blade wall heat transfer coefficient.

Key words: heat transfer coefficient, cylinder, model canal, turbine blade, CFD, heat transfer.