Abstract
In this study, three dimensional numerical simulations of fluid and heat transfer on the transonic vane have been performed using v2-f turbulence model. The objective of this paper is to evaluate the v2-f model’s ability to predict the heat transfer characters on the 3D showerhead film cooled vane. Exit Mach number of Mex=0.76, corresponding to exit Reynolds number based on vane chord of 1.1×106, is tested with an inlet free stream turbulence intensity (Tu) of 16% and integral length scale normalized by vane pitch (Λx/P) of 0.23. For the showerhead film cooling simulations, a new three simulations technique is discussed to calculate the recovery temperature, adiabatic wall temperature, and surface Nusselt number. CFD predictions show an overall good agreement with experimental results.
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