Titlebook: Differential Reynolds Stress Modeling for Separating Flows in Industrial Aerodynamics; Bernhard Eisfeld Book 2015 Springer International P

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Application of a Low Reynolds Differential Reynolds Stress Model to a Compressor Cascade Tip-LeakagSST .-.?linear eddy viscosity model (LEVM). In addition to the mean flow quantities, the focus is on the Reynolds stresses and their anisotropy. Both DRSMs show significant improvements compared to the LEVM with respect to the mean flow quantities; however, details of the turbulence structure are more accurately predicted by the JH-..?model.

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Book 2015 the models allow an assessment of their performance in different flow conditions. The results demonstrate the general applicability of differential Reynolds stress models to separating flows in industrial aerodynamics..

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Characteristics of Our Reaction Kineticst as well as transonic airfoil and bump flows are simulated with the new model for validation purposes. Especially the simulation of the flow over a transonic bump can be improved with the new model version JHh-v3, furthermore the prediction of the potential core length of the turbulent round jet is improved.

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Mathematical Formulation of Our Theoryerms. Perspectives for the development of improved differential Reynolds-stress models are then discussed, in particular with regard to the development of a new 12-equation ..–. family of models, incorporating transport equations for the different components of the dissipation tensor.

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Separated Flow Prediction Around a 6:1 Prolate Spheroid Using Reynolds Stress Models, profiles is obtained. However, only reasonable agreement is obtained for the Reynolds stress components. It is shown that the common first-order upwind approximation of the Reynolds stress model convective flux alone may adversely affect the accuracy of the solution.

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https://doi.org/10.1007/978-1-4842-4454-8SST .-.?linear eddy viscosity model (LEVM). In addition to the mean flow quantities, the focus is on the Reynolds stresses and their anisotropy. Both DRSMs show significant improvements compared to the LEVM with respect to the mean flow quantities; however, details of the turbulence structure are more accurately predicted by the JH-..?model.