NDLI: Investigations on the unstable flow in a prototype reversible pump turbine

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Investigations on the unstable flow in a prototype reversible pump turbine

Content Provider	Scilit
Author	Zhang, Yuning Zheng, Xianghao Liu, Tao Li, Jinwei
Copyright Year	2019
Description	Journal: Iop Conference Series: Earth and Environmental Science In the present paper, influences of load variations on the pressure fluctuations especially in the vaneless space of a prototype reversible pump turbine are experimentally investigated in generating mode. Original pressure data obtained through on-site measurement are further analyzed in both time and frequency domains in order to show the propagation mechanism of the pressure fluctuations. Our work reveals that the dominant characteristic frequency is the blade passing frequency (BPF, f=1) between 52% and 90% partial loads and its harmonics (f=2) between 90% and 100% of rated power, respectively. Detailed results are analyzed and discussed with the aid of several typical demonstrating figures in the present paper.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/240/8/082011/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/240/8/082011
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	8
Volume Number	240
Language	English
Publisher	IOP Publishing
Publisher Date	2019-03-27
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Mechanical Engineering
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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