Hybrid Turbulence Model for Unsteady Boundary Layers

A hybrid model is developed and evaluated for a single data set. For a broader perspective, the results of algebraic, one-equation, and two-equation models are also presented. The algebraic model was composed of the van Driest near-wall mixing length with the Cebeci-Keller unsteady modification and the Cebeci-Smith outer-layer eddy viscosity. The one-equation model was based on the Norris-Reynolds Prandtl-energy model with a prescribed mixing length. The two-equation model was based on that of Jones and Launder, making use of wall functions for computional efficiency