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- W2372156645 abstract "In order to evaluate the accuracy of turbulence model used for performance prediction of mixedflow pump,three kinds of turbulence model such as standard k-e,RNGk-e,and SSTk-ωare selected and a mixed-flow pump with specific speed of 511 is taken as investigation object.Numerical simulation of its performance prediction and full flow field is performed based on SIMPLEC algorithm and hybrid mesh.The error analysis of simulated head and efficiency is conducted on the basis of experimental results.The investigation result showed that simulation result would be greatly affected by the mesh density;a sparse mesh would make the accuracy of prediction decreased.All three models would give satisfactory prediction when the flow coefficient is greater than 0.8,so that could meet the needs of engineering applications,However,when the flow coefficient is less than 0.8,agood agreement between numerical predictions and experimental data could be obtained only by using RNGk-eand SSTk-ωturbulence models,which could make the slope characteristic of head-capacity curve positive.This conclusion will provide a reference for the reliability of performance prediction of mixed-flow pumps." @default.
- W2372156645 created "2016-06-24" @default.
- W2372156645 creator A5076798533 @default.
- W2372156645 date "2014-01-01" @default.
- W2372156645 modified "2023-09-26" @default.
- W2372156645 title "Application of different turbulence models in numerical simulation of mixed-flow pump and its evaluation" @default.
- W2372156645 hasPublicationYear "2014" @default.
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