Influence of the Nuclei on the Cavitation Inception for Different Types of Cavitation on Ship Propellers-Reference-Cited by-同舟云学术

Influence of the Nuclei on the Cavitation Inception for Different Types of Cavitation on Ship Propellers

Published:1998-03-01 Issue:1 Volume:120 Page:171-178
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

Gindroz B.¹,Billet M. L.²

Affiliation:

1. Bassin d’Essais des Care`nes, 27400 Val de Reuil, France

2. Applied Research Laboratory, The Pennsylvania State University, State College, PA 16804

Abstract

In order to relate nuclei size distributions with inception cavitation in cavitation facilities, a test program was conducted at the Grand Tunnel Hydrodynamique (GTH) of the Bassin d’Essais des Care`nes. The GTH, which has a complete air control system including dissolved gas and nuclei (microbubbles) control, offers the opportunity to answer this question. The tests were conducted on the three 34 mm diameter propellers used by Kuiper (1981), each of these propellers being characterized by a different cavitation type: bubble, sheet and vortex cavitation. The water nuclei content correspond to strong degassed water (maximum tension), low injection of medium size nuclei (medium tension-low content), large injection of medium size nuclei (medium tension-high content) and large injection of large nuclei (minimum tension). By injecting medium size nuclei for a low content and a high content, we can examine the influence of the number of nuclei on the cavitation inception characteristic. During all the tests, the dissolved air content was kept constant. The GTH online Cavitation Nuclei Counter (Centerbody Venturi) was used to measure both the water nuclei distribution and the liquid tension. Comparisons are made with the calibrated Centerbody Venturi, a Phases Doppler Particles Analyzer (PDPA) and Holographic measurements.

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/120/1/171/4949967/171_1.pdf

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