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Impeller-Induced Rotor-Dynamic Forces

Acosta, Allan J. and Brennen, Christopher E. and Caughey, Thomas K. (1989) Impeller-Induced Rotor-Dynamic Forces. In: Fluids engineering : Korea-U.S. progress. Hemisphere Publishing , New York. ISBN 1560321148 http://resolver.caltech.edu/CaltechAUTHORS:BREkfe89

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Abstract

The flow through and around the rotor of a turbomachine exerts a force on the rotor and, hence, rotor shaft and bearing system. In some circumstances this force may lead to excitation of shaft whirl in the direction of impeller rotation. Recent international research of this phenomenon is briefly reviewed; these findings suggest that turbomachines intended to operate well above the first critical speed should take the effect into account.


Item Type:Book Section
Additional Information:As with most university research, we depend upon our hard working students for inspired work. We would like to thank Dimitri Chamieh, Belgacem Jery, Ron Franz, Scott Miscovish, Michael Karyeaclis and Fei Zhuang for their untiring efforts. This work was supported by the National Aeronautics and Space Administration under contract NAS8-33108 with Dr. Henry Stinson as technical monitor. This support is gratefully acknowledged.
Record Number:CaltechAUTHORS:BREkfe89
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:BREkfe89
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27
Collection:CaltechAUTHORS
Deposited By: Christopher Brennen
Deposited On:30 Dec 2004
Last Modified:26 Dec 2012 08:38

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