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Journal of Applied Fluid Mechanics، جلد ۱۷، شماره ۴، صفحات ۹۲۶-۹۳۸
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عنوان انگلیسی Flow Modeling in the Wake of a Francis Turbine with Hydraulic Charge: Case of Songloulou-Cameroon
چکیده انگلیسی مقاله Cavitation in hydraulic installations is still a major concern when it comes to producing electricity. We are aware of the danger of cavitation and the damage it can cause. We have carried out a study of the behavior of the Francis de song lou lou turbines in operation, their areas of application and their various modes of degradation. The first step was to identify the nature of cavitation during operation. We used the three-dimensional Naviers Stokes equations. The pressure and velocity fields obtained are examined to observe the various fluctuations that disrupt the correct operation of the turbine, and consequently reduce production efficiency. The characteristics of the turbine at the Song Loulou hydroelectric power station in Cameroon were used. The results obtained, compared with those in the literature, are satisfactory. This modelling is an effective tool for detecting the presence of cavitation in the Francis turbine
کلیدواژه‌های انگلیسی مقاله Instabilities,Blades,Francis turbine,Numerical modeling,Hydraulic charge
نویسندگان مقاله R. D. Wafo |
Department of Mechanical engineering, National School of Agro-Industrial Sciences, University of Ngaoundere, Cameroon

M. Tientcheu-Nsiewe |
Department of Fundamental Sciences and Engineering Technics, School of Chemical Engineering and Mineral Industry, University of Ngaoundere, Cameroon

D. Tcheukam-Toko |
College of Technology, Department of Mechanical Engineering, University of Buea, Cameroon

B. Kenmeugne |
Department of Mechanical engineering, National Higher School Polytechnics of the University of Yaoundé, Cameroon

A. Kuitche |
Department of Energetics, Electric and Automatics engineering, National School of Agro-Industrial Sciences, University of Ngaoundere, Cameroon

نشانی اینترنتی https://www.jafmonline.net/article_2396_6c4da2f812b740cf0d7763861bb18ac2.pdf
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