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TECHNICAL PAPERS

Theoretical Analysis of Fluid Forces on an Open-Type Centrifugal Impeller in Whirling Motion

[+] Author and Article Information
Akira Hiwata

Matsushita Electric Industries Co., Ltd, Air-Conditioning Research Laboratory, 2-3-1-1 Noji-Higashi, Kusatsu, Japan, 525-8520e-mail: PAN77672@pas.mei.co.jp

Yoshinobu Tsujimoto

Osaka University, Graduate School of Engineering Science, 1-3 Machikaneyama, Toyonaka, Japan, 560-8531e-mail: tujimoto@me.es.osaka-u.ac.jp

J. Fluids Eng 124(2), 342-347 (May 28, 2002) (6 pages) doi:10.1115/1.1458582 History: Received August 01, 2001; Revised September 06, 2001; Online May 28, 2002
Copyright © 2002 by ASME
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References

Figures

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Two fundamental vibration modes of an impeller
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(a) Representative flow surface, (b) mapped plane
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Cross section of the test rig (impeller, casing and instrumented shaft)
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(a) Impeller, (b) mid-span surface
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Cell and reference point on representative flow surface
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Radial and tangential force components (ϕ=0.330)
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Radial and tangential force components (ϕ=0.424)
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Radial and tangential force components (ϕ=0.508)
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Tangential force components of hub and blade
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The influence of the leakage flow (ϕ=0.424)
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The effect of front shroud (ϕ=0.424)

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