A 3-D linear analysis of rotating stall considering the spanwise distribution of cascade characteristics

Masahiro Miyamoto; Satoshi Watanabe; Kazuhiko Yokota; Yoshinobu Tsujimoto

doi:10.1299/kikaib.64.3144

A 3-D linear analysis of rotating stall considering the spanwise distribution of cascade characteristics

Masahiro Miyamoto, Satoshi Watanabe, Kazuhiko Yokota, Yoshinobu Tsujimoto

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

Abstract

A 3-D linear analysis of rotating stall is carried out to clarify the effects of spanwise distribution of cascade characteristics. An actuator disk model of annular cascade is employed. A linear spanwise distribution of the performance slope is considered to examine the effects of the three-dimensionality in the cascade characteristics. Many characteristic solutions were found corresponding to various kinds of radial mode. It was found that the 0th order radial mode is more unstable than higher order modes. It was also found that uneven spanwise cascade characteristics distribution makes the 0th mode more unstable, and alters the 0th order mode so that the amplitude of the disturbance becomes larger at radial locations where the positive slope of the performance is larger.

Original language	English
Pages (from-to)	3144-3150
Number of pages	7
Journal	Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	64
Issue number	626
DOIs	https://doi.org/10.1299/kikaib.64.3144
Publication status	Published - Oct 1998
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanical Engineering

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10.1299/kikaib.64.3144

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A 3-D linear analysis of rotating stall considering the spanwise distribution of cascade characteristics. / Miyamoto, Masahiro; Watanabe, Satoshi; Yokota, Kazuhiko et al.

In: Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 64, No. 626, 10.1998, p. 3144-3150.

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

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A 3-D linear analysis of rotating stall considering the spanwise distribution of cascade characteristics

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