Mechanism of propagation direction of rotating cavitations in a cascade

Yuka Iga, Yoshiki Yoshida

研究成果: Article査読

15 被引用数 (Scopus)

抄録

The propagation mechanism of rotating cavitations, especially that of supersynchronous rotating cavitation, is still unclear. The direction of propagation of supersynchronous rotating cavitation is in the direction of rotation of an impeller, which is opposite of the direction of rotating stall in general pumps and fans. Also, neither the mechanism of the order of appearance of rotating cavitations (supersynchronous, synchronous, and subsynchronous propagation) nor the mechanism of the discontinuity of the propagation speed during the transition between different types of rotating cavitations has been determined thus far. The present study indicates that they can be explained by the existence of latent rotating stall and a specific feature of cavitation: A decrease in the break-off frequency of a cavitation according to its development.

本文言語English
ページ(範囲)675-683
ページ数9
ジャーナルJournal of Propulsion and Power
27
3
DOI
出版ステータスPublished - 2011

ASJC Scopus subject areas

  • 航空宇宙工学
  • 燃料技術
  • 機械工学
  • 宇宙惑星科学

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