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《Nuclear Power Engineering》 2009-04
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Numerical Simulation of Interior Flow Field of Nuclear Model Pump

WANG Chun-lin, PENG Na, KANG Can, ZHAO Bai-tong, ZHANG Hao (School of Energy & Power Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China)  
Reynolds time-averaged N-S equations and the standard k-ε turbulent model were adopted, and three-dimensional non-structural of tetrahedral mesh division was used for modeling. Multiple reference frame model of rotating fluid mechanical model was used, under the design condition, the three-dimensional incompressible turbulent flow of nuclear model pump was simulated, and the results preferably post the characteristics of the interior flow field. This paper first analyzes the total pressure and velocity distribution in the flow field, and then describes the interior flow field characteristics of each part such as the impeller, diffuser and spherical shell, and also discusses the reasons that cause these characteristics. The study results can be used to estimate the performance of nuclear model pump, and will provide some useful references for its hydraulic optimized design.
【CateGory Index】: TL334
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