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- IGA Yuka
- Institute of Fluid Science, Tohoku University
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- HIRANUMA Makoto
- 東北大学大学院工学研究科
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- YOSHIDA Yoshiki
- 宇宙航空研究開発機構(JAXA)
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- IKOHAGI Toshiaki
- Institute of Fluid Science, Tohoku University
Bibliographic Information
- Other Title
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- 翼列に発生するキャビテーション不安定現象とその抑制に関する数値解析
Description
In this study, unsteady cavitation and cavitation instabilities are numericaly analyzed around cascades in water/air working fluid. The numerical method employing a locally homogeneous model of compressible gas-liquid two-phase medium is applied, because it permits the entire flowfield inside and outside the cavity to be simulated easily through only one system of governing equations. Three types of.cavitation instabilities, which are similar to “cavitation surge”, “forward rotating cavitation” and “rotating-stall cavitation”, are represented numerically in flat-plate cascade under three-blade cyclic condition. Additionally, flowfields around flat-plate cascade with slit on blade are analyzed in the conditions where the three types of cavitation instabilities arise in the cascade without slit. The effect of the slit on suppression of cavitation instabilities is confirmed from the present numerical results.
Journal
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- TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B
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TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B 72 (719), 1759-1765, 2006
The Japan Society of Mechanical Engineers
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Keywords
Details 詳細情報について
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- CRID
- 1390282681237315584
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- NII Article ID
- 130004225843
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- ISSN
- 18848346
- 03875016
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed