An analysis of unsteady cavitation characteristics by a singularity method

Satoshi Watanabe; Yoshinobu Tsujimoto; Kenjiro Kamijo; Okitsugu Furuya

doi:10.1299/kikaib.64.1285

An analysis of unsteady cavitation characteristics by a singularity method

Satoshi Watanabe, Yoshinobu Tsujimoto, Kenjiro Kamijo, Okitsugu Furuya

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

The unsteady cavitation characteristics of flat plate cascade were analyzed by a singularity method based on closed cavity model allowing the cavity length change. Through the formulation of present analysis, it was found that the unsteady cavitation characteristics are dependent on the cavitation number/incidence ratio as well as the steady cavity length. It was also found that the unsteady cavitation characteristics of cascades with solidity larger than 0.75-1.0 are very close to those of semi-infinite cascade. The present analysis can evaluate the cavitation characteristics of fiat plate cascades with various solidity, and can be easily extended to the analysis for cascades with blade thickness or camber.

Original language	English
Pages (from-to)	1285-1292
Number of pages	8
Journal	Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	64
Issue number	621
DOIs	https://doi.org/10.1299/kikaib.64.1285
Publication status	Published - May 1998
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanical Engineering

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AU - Watanabe, Satoshi

AU - Tsujimoto, Yoshinobu

AU - Kamijo, Kenjiro

AU - Furuya, Okitsugu

PY - 1998/5

Y1 - 1998/5

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AB - The unsteady cavitation characteristics of flat plate cascade were analyzed by a singularity method based on closed cavity model allowing the cavity length change. Through the formulation of present analysis, it was found that the unsteady cavitation characteristics are dependent on the cavitation number/incidence ratio as well as the steady cavity length. It was also found that the unsteady cavitation characteristics of cascades with solidity larger than 0.75-1.0 are very close to those of semi-infinite cascade. The present analysis can evaluate the cavitation characteristics of fiat plate cascades with various solidity, and can be easily extended to the analysis for cascades with blade thickness or camber.

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An analysis of unsteady cavitation characteristics by a singularity method

Abstract

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