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An Acoustics Method of Judging Inception Cavitation of Runner of Model Pump Turbine on Pump Condition

[+] Author Affiliations
Yue Zhao, Zhiliang Liu, Yingnan Zhao, Quanbao Guo

Harbin Institute of Large Electrical Machinery, Harbin, Heilongjiang, China

Paper No. AJK2011-06020, pp. 107-112; 6 pages
doi:10.1115/AJK2011-06020
From:
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D
  • Hamamatsu, Japan, July 24–29, 2011
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4440-3
  • Copyright © 2011 by ASME

abstract

To determine the inception cavitation of model pump-turbine runner blade still depends on the artifical way, hence the results differ by the observers. An acoustics method is performed to determine the inception cavitation of model pump-turbine runner blade by abstracting and analyzing the characteristic parameters of the cavitation noise acquired with the hydrophone. The rationality and accuracy of this method have been verified by the tests, and it is significant to determine the inception cavitation instead of the experimental way.

Copyright © 2011 by ASME

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