Spatial Distribution of Cavitation-Shock-Pressure Around a Jet-Flow Gate-Valve

To make clear the mechanism of cavitation erosion, the spatial distribution of cavitation shock pressures were quantitatively measured by a pressure sensitive sheet in the l/l0 scale model of a jet-flow gate-valve, for various valve-openings and cavitation numbers. The dynamic pressure response of t...

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Bibliographic Details
Published inNihon Kikai Gakkai rombunshuu. B hen Vol. 53; no. 487; pp. 671 - 677
Main Authors MIYAKURA, Hideto, SAKAMOTO, Kenji, SONODA, Shuji, TAKAYAMA, Kazuyoshi, OBA, Risaburo, NOZAKI, Satoru, ITO, Yukio, ISHIGE, Tadashi
Format Journal Article
LanguageEnglish
Japanese
Published The Japan Society of Mechanical Engineers 1987
Subjects
cavitation
erosion
pressure
shock waves
Submerged Jet
valves
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ISSN0387-5016
1884-8346
1884-8346
DOI10.1299/kikaib.53.671

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Summary:To make clear the mechanism of cavitation erosion, the spatial distribution of cavitation shock pressures were quantitatively measured by a pressure sensitive sheet in the l/l0 scale model of a jet-flow gate-valve, for various valve-openings and cavitation numbers. The dynamic pressure response of the sheet was corrected by the shock wave generated from detonation explosives. It is made clear that the erosive shock pressures are distributed in a limited part of the whole cavitation region, and the safety region without the fatal cavitation erosion is defined.
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ISSN:0387-5016
1884-8346
1884-8346
DOI:10.1299/kikaib.53.671