NDLI: Similarity research of Francis turbine draft tube pressure fluctuation

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Similarity research of Francis turbine draft tube pressure fluctuation

Content Provider	Scilit
Author	Xu, Y. L. Qin, D. Q. Zhao, Y. Meng, X. C.
Copyright Year	2018
Description	Journal: Iop Conference Series: Earth and Environmental Science In this paper, it presented the similarity research of Francis turbine draft tube pressure fluctuation between model turbine and the corresponding prototype. First, a qualitative analysis was made by runner outlet triangle velocity. Then a comparison was made between popular method and the method recommended by this paper which based on relative discharge taken zero swirl discharge as reference and dimensionless pressure pulsation amplitude taken runner outlet blade velocity head as reference respectively on model and prototype. Also a comparison of draft tube pressure fluctuation was made between model test data and prototype data from 12 power plants based on this method respectively. It had shown some similarity between model turbine and homologous prototype and had given the similarity range by statistic method. At last, a method was given concerning prototype draft tube pressure fluctuation amplitude prediction and a comparison was carried out between prediction results and site test results. It fitted very well which can prove the feasibility of this method.
Related Links	http://iopscience.iop.org/article/10.1088/1755-1315/163/1/012062/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/163/1/012062
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	163
Language	English
Publisher	IOP Publishing
Publisher Date	2018-07-30
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Sustainable Science and Technology Tube Pressure Fluctuation Draft Tube Pressure
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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