Comparison of Two Two-Equation Turbulence Model Used for the Numerical Simulation of Underwater Ammunition Fuze Turbine Flow Field

De Zhang Shen; He Zhang; Hao Jie Li

doi:10.4028/www.scientific.net/AMR.591-593.1968

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 591-593Comparison of Two Two-Equation Turbulence Model...

Comparison of Two Two-Equation Turbulence Model Used for the Numerical Simulation of Underwater Ammunition Fuze Turbine Flow Field

Abstract:

To figure out the problem of turbulence simulation of underwater ammunition fuze turbine numerical simulation, respectively, realizable k-ε turbulence model and SST k-ω turbulence model are used for two-phase flow numerical simulation of the turbine rotation. The analysis compared the calculation results of the two turbulence models. The results showed that: the cavitation scale obtained from realizable k-ε turbulence model is shorter than that of SST k-ω turbulence model; turbine surface pressure distribution trends are similar of this two model, the results of realizable k-ε turbulence model are bigger than SST k-ω turbulence model; the turbine axial pressure coefficients using realizable k-ε turbulence model are also bigger than that of SST k-ω turbulence model, and the deviation increases with the speed increase.

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Periodical:

Advanced Materials Research (Volumes 591-593)

Pages:

1968-1972

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.591-593.1968

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Online since:

November 2012

Authors:

De Zhang Shen, He Zhang, Hao Jie Li

Keywords:

Numerical Simulation, Turbine, Turbulence Model, Underwater Ammunition

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