Methods for estimating the rate of severe cavitation erosion arising in a high-specific-speed centrifugal pump

Hitoshi Soyama; Shou Ren Li; Masashi Tonosaki; Kazuo Uranishi; Hiroharu Kato; Risaburo Oba

doi:10.1299/kikaib.62.841

Methods for estimating the rate of severe cavitation erosion arising in a high-specific-speed centrifugal pump

Hitoshi Soyama, Shou Ren Li, Masashi Tonosaki, Kazuo Uranishi, Hiroharu Kato, Risaburo Oba

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

1 Citation (Scopus)

Abstract

In order to find useful methods for estimating the rate of severe cavitation erosion arising in a typical centrifugal pump at high specific speeds such as N_s = 300 (m, m³/min, rpm), systematic erosion tests are carried out under various test conditions using three-dimensional impellers made of aluminum alloy. The following three effective and simple methods for estimating the erosion rate are presented. (i) Observation of the initial aspects of the eroded surface, (ii) Analysis of the intensity of the vibrating accelerations, and (iii) Examination of the relationship between the erosion rate and the position of maximum erosion rate.

Original language	English
Pages (from-to)	841-846
Number of pages	6
Journal	Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	62
Issue number	595
DOIs	https://doi.org/10.1299/kikaib.62.841
Publication status	Published - 1996
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering

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10.1299/kikaib.62.841

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Methods for estimating the rate of severe cavitation erosion arising in a high-specific-speed centrifugal pump. / Soyama, Hitoshi; Li, Shou Ren; Tonosaki, Masashi et al.

In: Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, Vol. 62, No. 595, 1996, p. 841-846.

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

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AU - Kato, Hiroharu

AU - Oba, Risaburo

PY - 1996

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AB - In order to find useful methods for estimating the rate of severe cavitation erosion arising in a typical centrifugal pump at high specific speeds such as Ns = 300 (m, m3/min, rpm), systematic erosion tests are carried out under various test conditions using three-dimensional impellers made of aluminum alloy. The following three effective and simple methods for estimating the erosion rate are presented. (i) Observation of the initial aspects of the eroded surface, (ii) Analysis of the intensity of the vibrating accelerations, and (iii) Examination of the relationship between the erosion rate and the position of maximum erosion rate.

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Methods for estimating the rate of severe cavitation erosion arising in a high-specific-speed centrifugal pump

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