Abstract

A formulation of a modernized version of the three-parameter model of turbulence developed earlier by the present authors for calculating high-velocity flows is presented in the paper. The modernized model of turbulence allows one to calculate both free and near-wall flows. The distinctive features of the model are the application of a separate equation for velocity fluctuations directed normally to streamlines, as well as of special functions of the gradient Mach number to account for compressibility. The model described was verified on a number of test problems. The results obtained agree well with experimental data.

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