Abstract

Hypothesis based on experiments of various authors which explains the origin of many difficulties arising in the development of RANS models was proposed in the paper. A model design method based on this hypothesis is proposed. Models based on this method are much simpler than traditional ones. In addition, these models demonstrate the possibilities that are inaccessible to traditional models - they reproduce the regularities of cascade energy transfer, results of dissipative scales calculations correspond to the experiments. At present the method is verified by calculations of forced turbulent flows in boundary layers and pipes and channels.

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