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RESEARCH PAPERS

Dynamical Nuclei Measurement: On the Development and the Performance Evaluation of an Optimized Center-Body Meter

[+] Author and Article Information
T. M. Pham, J. M. Michel

Laboratoire des Ecoulements Géophysiques et Industriels, BP 53, 38041 Grenoble, Cedex 9, France

Y. Lecoffre

Head of Ylec Consultants, Allée des Dauphins, 38330 Saint Ismier, France

J. Fluids Eng 119(4), 744-751 (Dec 01, 1997) (8 pages) doi:10.1115/1.2819493 History: Received June 03, 1996; Revised May 06, 1997; Online January 22, 2008

Abstract

This work is concerned with the development of a center-body venturi for nuclei measurements of novel design, the Venturix. Our project aims to: 1. Define a specially tailored geometry for cavitation nuclei measurement. This design study takes into consideration the following main aspects: the venturi mean flow in subcavitating regime, the viscous effects, the bubble dynamics. 2. Evaluate the performance of the meter: After testing the proposed design concepts, the venturi operating characteristics, in particular its operational limits, are assessed. Finally, the performance of the acoustic method used for detecting and counting the active nuclei in the venturi is discussed.

Copyright © 1997 by The American Society of Mechanical Engineers
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