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Effect of Swirl on Rotordynamic Forces Caused by Front Shroud Pump Leakage

Hsu, Yun and Brennen, Christopher E. (2002) Effect of Swirl on Rotordynamic Forces Caused by Front Shroud Pump Leakage. Journal of Fluids Engineering, 124 (4). pp. 1005-1010. ISSN 0098-2202. http://resolver.caltech.edu/CaltechAUTHORS:HSUjfe02b

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Abstract

Unsteady forces generated by fluid flow through the impeller shroud leakage path of a centrifugal pump were investigated. The effect of leakage path inlet swirl (pump discharge swirl) on the rotordynamic forces was re-examined. It was observed that increasing the inlet swirl is destabilizing both for normal and tangential rotordynamic forces. Attempts to reduce the swirl within the leakage path using ribs and grooves as swirl brakes showed benefits only at low leakage flow rate.


Item Type:Article
Additional Information:Contributed by the Fluids Engineering Division for publication in the Journal of Fluids Engineering. Manuscript received by the Fluids Engineering Division August 17, 2001; revised manuscript received May 6, 2002.
Record Number:CaltechAUTHORS:HSUjfe02b
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:HSUjfe02b
Alternative URL:http://dx.doi.org/0.1115/1.1511164
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:105
Collection:CaltechAUTHORS
Deposited By: Christopher Brennen
Deposited On:08 Oct 2004
Last Modified:26 Dec 2012 08:39

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