Rotor Isolation for Vibration and Noise Reduction

[+] Author and Article Information
Timothy A. Brungart, Eric T. Riggs

The Pennsylvania State University, Applied Research Laboratory, PO Box 30, State College, PA 16804-0030

J. Vib. Acoust 125(3), 407-411 (Jun 18, 2003) (5 pages) doi:10.1115/1.1569948 History: Received May 01, 2002; Revised February 01, 2003; Online June 18, 2003
Copyright © 2003 by ASME
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Blake, W. K., 1986, Mechanics of Flow-Induced Sound and Vibration, Volumes I and II, Academic Press, Inc., Orlando.
Skaistis, S., 1988, Noise Control of Hydraulic Machinery, Marcel Dekker, New York.
Snowdon, J. C., 1968, Vibration and Shock in Damped Mechanical Systems, John Wiley and Sons, New York.
Wisler, D. C., 1986, “Advanced Compressor and Fan Systems,” Fluid Dynamics of Turbomachinery, Gas Turbine Division, American Society of Mechanical Engineers, ASME Turbomachinery Institute, Ames, Iowa.
Lauchle, G. C., Billet, M. L., and Deutsch, S., 1989, “High Reynolds Number Liquid Flow Measurements,” Lecture Notes in Engineering, 46 , Frontiers in Experimental Fluid Mechanics, M. Gad-el-Hak, ed., Springer-Verlag, Berlin, pp. 95–158.


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Schematic of isolated rotor
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Schematic of elastomer characterization test fixture (ECTF)
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Vibration isolation mount transmissibility
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Experimental set-up for static measurement of isolated rotor transmissibility
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Comparison of statically-measured and predicted of isolated rotor transmissibility
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UUV model unsteady forces test set-up
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Typical shaft unsteady thrust spectrum measured with and without rotor isolation
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Comparison of operationally-measured and predicted isolated rotor transmissibility



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