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TECHNICAL PAPERS

Experimental and Numerical Study of Stall Flutter in a Transonic Low-Aspect Ratio Fan Blisk

[+] Author and Article Information
A. J. Sanders, K. K. Hassan

Honeywell Engines, Systems & Services, 111 South 34th Street, MS 301-134, Phoenix, AZ 85034

D. C. Rabe

Air Force Research Laboratory, 1950 Fifth Street, Building 18D, Wright Patterson AFB, OHe-mail: Douglas.Rabe@afrl.af.mil

J. Turbomach 126(1), 166-174 (Mar 26, 2004) (9 pages) doi:10.1115/1.1645532 History: Received December 01, 2002; Revised March 01, 2003; Online March 26, 2004
Copyright © 2004 by ASME
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References

Figures

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Flush-mounted Kulites at 90% span
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Fan map with flutter test and analysis points
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Phase-lock averaged pressure surface waveforms
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Phase-lock averaged suction surface waveforms
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CFD grid for unsteady TURBO-AE simulations
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Mode shape for unsteady TURBO-AE simulations
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Steady 90% span blade-to-blade Mach number
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Aerodynamic damping versus nodal diameter
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Effect of tip clearance on flutter boundary predictions
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Effect of tip clearance on loading predictions
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Effects of vibration amplitude on flutter boundary predictions
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Effects of vibration amplitude on loading predictions
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Effect of number of time steps-per-cycle on flutter boundary predictions
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Effect of number of time steps-per-cycle on loading predictions

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