Observations of Severely Erosive Vortex Cavitation in a Centrifugal Pump

Hitoshi Soyama, Tomoyoshi Okamura, Sumio Saito, Hiroharu Kato, Risaburo Oba

研究成果: Article査読

抄録

In order to predict pump erosion practically, severe erosion is systematically and precisely observed in a typical centrifugal pump of specific speed Ns = 150(m, m3/min, rpm) in various test conditions in relation to types of cavitation, by means of erosion-depth measurements, noise detections, and cavitation-pressure pulse measurements through the paint method as well as the pressure-sensitive film method. The severe erosion directly result from the vortex cavitation, and the erosion rates are closely related to the size and the occurrence frequency of the vortex cavitation.

本文言語English
ページ(範囲)1140-1144
ページ数5
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series B
59
560
DOI
出版ステータスPublished - 1993
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 機械工学

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