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Journal of Applied Fluid Mechanics، جلد ۹، شماره ۱، صفحات ۲۵۳-۲۶۶
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عنوان انگلیسی Numerical Investigation in the Vaned Distributor under Different Guide Vanes Openings of a Pump Turbine in Pump Mode
چکیده انگلیسی مقاله The performance of a pump turbine in pump mode is of great importance to a pumped storage power plant. In order to obtain the pump characteristics of a pump turbine, 3D steady simulations were carried out by solving rans using different two-equation turbulence models. Compared with the experimental data, SST k-ω turbulence model was chosen to simulate external characteristics curves under 32mm, 22mm and 18mm guide vanes openings. The results show a good agreement with the experimental data, especially near the best efficiency point. Finally, the detailed analysis was conducted within vaned distributor for these three guide vanes openings. The variation of flow field, pressure filed, energy characteristic and loss with the discharge and guide vanes opening were obtained through the analysis. This research could provide a basic understanding on pump characteristics of a pump turbine for designer.
کلیدواژه‌های انگلیسی مقاله Hydraulic machinery, Pump turbine, Vaned distributor, Numerical investigation, Pump mode
نویسندگان مقاله D. Y. Li |
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China

R. Z. Gong |
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China

H. J. Wang |
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China

J. Zhang |
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China

X. Z. Wei |
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China

L. F. Shu |
Huadong Engineering Corporation Limited, Zhejiang, Hangzhou, 310014, China

نشانی اینترنتی https://www.jafmonline.net/article_1598_c3b4de8f6818c19825a167cb079c188c.pdf
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