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TECHNICAL PAPERS

Propagation of Multiple Short-Length-Scale Stall Cells in an Axial Compressor Rotor

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

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

J. Turbomach 122(1), 45-54 (Feb 01, 1999) (10 pages) doi:10.1115/1.555426 History: Received February 01, 1999
Copyright © 2000 by ASME
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References

Figures

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Schematic view of test section
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Stage performance of compressor stage tested
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Total pressure distribution downstream of stator
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Low-pass filtered pressure trace near rotor leading edge in flow range A
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Low-pass filtered pressure trace near rotor leading edge in flow range C
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Traces and cross-correlation function of two pressure signals in flow range A
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Traces and cross-correlation function of two pressure signals in flow range C
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Result of wavelet analysis in flow range A
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Result of wavelet analysis in flow range C
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Illustration of reference location of stall cell
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Axial velocity distributions 25.6 mm upstream of the rotor at Tp=0.2
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Axial velocity distributions 25.6 mm upstream of the rotor at Tp=0.8
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Radial velocity distribution 25.6 mm upstream of the rotor at Tp=0.2
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Tangential velocity distribution 25.6 mm upstream of the rotor at Tp=0.2
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Secondary flow vector 25.6 mm upstream of the rotor at Tp=0.2
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Flow field 8 mm downstream of the rotor at Tp=0.2
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Flow field 8 mm downstream of the rotor at Tp=0.8
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Variation of ensemble-averaged pressure distributions on the casing
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Pressure fluctuation on the casing wall at Tp=0.2
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Illustrations for the flow mechanism of short-length-scale stall cell

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