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Application of the V2-F Turbulence Model for Flow Analysis of Turbomachinery
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 Title & Authors
Application of the V2-F Turbulence Model for Flow Analysis of Turbomachinery
Park, Jae Hyeon; Sohn, Dong Kyung; Kim, Chang Hyun; Baek, Je Hyun;
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Since a turbomachine has complex flow characteristics, which are caused by adverse pressure gradient and high speed motion, an elaborate turbulence model is needed to accurately predict the flow. Some turbulence models such as an algebraic or a two-equation eddy viscosity model have been used for in-house RANS-code, but it is difficult to obtain good result for several complex flows. In this study, Durbin's V2-F turbulence model, which has been known for better prediction for severe flow separation, is applied to T-Flow. It was validated for simple cases such as channel and compressor cascade, and its applicability to turbomachinery was shown by analyzing internal flow of a single rotor. As a result, the V2-F turbulence model shows better blade surface pressure distribution than the one-and-two equation turbulence model.
CFD;V2-F Turbulence Model;Axial Flow Compressor;Secondary Flow;Multi-Block;
 Cited by
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