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Fluid Flow Equations for Rotordynamic Flows in Seals and Leakage Paths

Brennen, C. E. and Uy, R. V. (1998) Fluid Flow Equations for Rotordynamic Flows in Seals and Leakage Paths. In: 7th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-7), February 22-26, 1998, Honolulu, Hawaii, USA. http://resolver.caltech.edu/CaltechAUTHORS:CEBisromac98

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Abstract

Fluid-induced rotordynamic forces produced by the fluid in an annular seal or in the leakage passage surrounding the shroud of a pump or turbine, are known to contribute substantially to the potential excitation forces acting on the rotor. In this paper we explore some of the important features of the equations governing bulk-flow models of these flows. This in turn suggests methods which might be used to solve these bulk-flow equations in circumstances where the linearized solutions (such as those of Childs 1987, 1989) will no longer be accurate. An example of a numerical solution is then presented.


Item Type:Conference or Workshop Item (Paper)
Additional Information:The authors wish to express their gratitude for the support given to this research by Rocketdyne Division, Boeing North American.
Record Number:CaltechAUTHORS:CEBisromac98
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:CEBisromac98
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:196
Collection:CaltechAUTHORS
Deposited By: Christopher Brennen
Deposited On:29 Nov 2004
Last Modified:26 Dec 2012 08:39

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