High-Speed Observations of the Cavitation Cloud around a High-Speed Submerged Water-Jet

Hitoshi Soyama, Yoshiaki Yamauchi, Yasunori Adachi, Kazunori Sato, Takenori Shindo, Risaburo Oba

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

In this paper, we attempt to clarify the jet structure and the behavior of severely erosive cavitation clouds around a high-speed submerged water-jet, using a high-speed movie camera with a framing rate of ten thousand frames. The effects of the injection pressure and the nozzle geometry on cavitation are also investigated. The experiments are performed with both a free jet and an impinging jet. It is clearly found that the cavitation clouds are periodically discharged. The cavitation clouds are also closely related to downstream instability and to the impinging erosion.

Original languageEnglish
Pages (from-to)1919-1924
Number of pages6
JournalTransactions of the Japan Society of Mechanical Engineers Series B
Volume59
Issue number562
DOIs
Publication statusPublished - 1993

Keywords

  • Cavitation
  • Discharge Interval
  • Erosion
  • High-Speed Observation
  • Jet
  • Nozzle

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

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