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TECHNICAL PAPERS

An Innovative Device for Passive Control of Surge in Industrial Compression Systems

[+] Author and Article Information
Gianmario L. Arnulfi, Pietro Giannattasio, Piero Pinamonti

University of Udine, Dipartimento di Energetica e Macchine, Udine, Italy

Diego Micheli

University of Trieste, Dipartimento di Energetica, Trieste, Italy

J. Turbomach 123(3), 473-482 (Feb 01, 2000) (10 pages) doi:10.1115/1.1348021 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Compression system with movable plenum wall
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Contour lines of 〈RMS〉 in W–Q plane for a compression system with movable plenum wall (n=2000 rpm, Vp=3.132 m2, ξ=2)
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Compression system with hydraulic oscillator
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Contour plots of 〈E〉 in W–Q plane for the compression system controlled by means of a hydraulic oscillator: (a) B0=0.2, ζ=4000; (b) B0=0.3, ζ=4000; (c) B0=0.4, ζ=4000; (d) B0=0.3, ζ=8000
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Schematic of the hydraulic oscillator
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Performance of the hydraulic oscillator
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Stability index E/(T/TH) versus flow coefficient for controlled and uncontrolled system at different compressor speeds
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Surge cycles at 3000 rpm and φss=0.157
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Surge cycles at 3000 rpm and φss=0.100
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Surge cycles at 3000 rpm and φss=0.027
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Time histories of φcp, and η for the controlled compression system (n=3000 rpm, φss=0.027)
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Experimental values of mean stability index 〈E/(T/TH)〉 versus parameter B
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Time histories of φc and ψp during throttle valve operation for different damping values (n=3000 rpm)
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Oscillating liquid column

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