Hofmann, Michael and Stoffel, Bernd and Friedrichs, Jens and Kosyna, Günter (2001) Similarities and Geometrical Effects on Rotating Cavitation In Two Scalted Centrifugal Pumps. In: CAV 2001: Fourth International Symposium on Cavitation, June 20-23, 2001, California Institute of Technology, Pasadena, CA USA. (Unpublished) http://resolver.caltech.edu/CAV2001:sessionB8.001
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Two scaled centrifugal pumps with vaneless radial diffuser running at identical Reynolds-Numbers are in the focus of experiments at Technical University of Braunschweig and Darmstadt University of Technology in the frame of a cooperation hosted by the DFG (Deutsche Forschungsgemeinschaft). Both pumps can hold different runner geometries as well as different leading edge geometries within the same runner. This paper describes experimental investigations of different configurations in both pumps. All configurations show the occurrence of a periodic cavitation state called "rotating cavitation" in a wide range of part load conditions, which onset can be characterized by an almost constant value of the dimensionless parameter ó/2á. Comparison of the main characteristics of both pumps as well as optical investigations to determine the dynamic properties in cavitating conditions have been carried out.
|Item Type:||Conference or Workshop Item (Lecture)|
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|Deposited By:||Imported from CAV2001|
|Deposited On:||01 May 2001|
|Last Modified:||26 Dec 2012 07:09|
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