In a previous paper, AIAA 2019-1879, a new one-equation eddy-viscosity model was derived from the two-equation k-kL model. In this paper, improvements to the model are described by optimizing the model constants. The new improved model is used to simulate several benchmark canonical wall-bounded turbulent flows with small regions of separation. The open-source software OpenFOAM is used for the flowfield calculation. Grid independence of solution study is conducted on several benchmark cases and the influence of grid on the solution accuracy is assessed. It is shown that the new improved one equation k-kL model is more accurate compared to the one equation Spalart-AUmaras model and two-equation k-kL model for several benchmark cases.
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