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TECHNICAL PAPERS

Comparative Studies on Short and Long Length-Scale Stall Cell Propagating in an Axial Compressor Rotor

[+] Author and Article Information
M. Inoue, M. Kuroumaru, T. Tanino, S. Yoshida, M. Furukawa

Department of Energy and Mechanical Engineering, Kyushu University, Fukuoka, Japan

J. Turbomach 123(1), 24-30 (Feb 01, 2000) (7 pages) doi:10.1115/1.1326085 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Schematic view of test section and measuring locations
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Pressure-rise characteristics of compressor stage tested
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Low pass filtered pressure traces near the rotor leading edge
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Contour maps of upstream and downstream axial velocity components and casing wall pressure phase-locked to SLSC under mild stall conditions
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Contour maps of upstream and downstream axial velocity components and casing wall pressure phase-locked to LLSC under deep stall condition
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Illustration of a flow model for SLSC
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Time-dependent ensemble-averages of axial velocity distributions upstream and downstream of rotor, and casing wall pressure distribution for SLSC
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Time-dependent ensemble-averages of three velocity components 8 mm upstream of rotor
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Ensemble-averaged axial velocity distributions upstream and downstream of rotor as well as distributions of ensemble-averaged pressure and pressure fluctuation on the casing wall for LLSC
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Time-independent ensemble-averages of axial velocity component upstream and downstream of rotor as well as distributions of ensemble-averaged pressure and pressure fluctuation on the casing wall for LLSC
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Distributions of axial vorticity and velocity components upstream of rotor for: (a) SLSC; (b) LLSC
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Wavelet transform for low-pass filtered pressure trace upstream of rotor
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Fluctuating force acting on a blade tip section
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Fluctuating moment acting on a blade tip section

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