A stability analysis of alternate blade cavitation in inducers

H. Horiguchi, Satoshi Watanabe, Y. Tsujimoto, M. Aoki

研究成果: Chapter in Book/Report/Conference proceedingChapter

1 被引用数 (Scopus)

抄録

The stability of alternate blade cavitation in flat plate cascades was examined by a linear analysis with a singularity method based on closed cavity model allowing the cavity length to change. It was found that alternate blade cavitation was stable for the cascades with larger solidity and unstable for the cascades with smaller solidity. The equal length cavitation is stable in both cases in the region of cavitation number larger than that where the alternate blade cavitation solution separates from the equal length cavitation. This result suggests that the alternate blade cavitation could exist only for the cascades with larger solidity. It is shown that the alternate blade cavitation occurs in the cascade with larger solidity since the local flow near the cavity closure reduces the angle of attack to the opposing blade when the cavity closure point approaches the leading edge of the opposing blade.

本文言語英語
ホスト出版物のタイトルProceedings of the 1999 3rd ASME/JSME Joint Fluids Engineering Conference, FEDSM'99, San Francisco, California, USA, 18-23 July 1999 (CD-ROM)
出版社American Society of Mechanical Engineers
ページ1
ページ数1
ISBN(印刷版)0791819612
出版ステータス出版済み - 1999
外部発表はい

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)
  • Engineering(all)
  • Environmental Science(all)

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