Creation and Maintenance of Cavities Under Horizontal Surfaces in Steady and Gust Flows-Reference-Cited by-同舟云学术

Creation and Maintenance of Cavities Under Horizontal Surfaces in Steady and Gust Flows

Published:2009-10-13 Issue:11 Volume:131 Page:
ISSN:0098-2202
Container-title:Journal of Fluids Engineering
language:en
Short-container-title:

Author:

Arndt R. E. A.¹,Hambleton W. T.¹,Kawakami E.¹,Amromin E. L.²

Affiliation:

1. Saint Anthony Falls Laboratory, University of Minnesota, Minneapolis, MN 55414

2. Mechmath LLC, Prior Lake, MN 55372-1283

Abstract

An experimental study of air supply to bottom cavities stabilized within a recess under a horizontal surface has been carried out in a specially designed water tunnel. The air supply necessary for creating and maintaining an air cavity in steady and gust flows has been determined over a wide range of speed. Flux-free ventilated cavitation at low flow speeds has been observed. Stable multiwave cavity forms at subcritical values of Froude number were also observed. It was found that the cross-sectional area of the air supply ducting has a substantial effect on the air demand. Air supply scaling laws were deduced and verified with the experimental data obtained.

Publisher

ASME International

Subject

Mechanical Engineering

Link

http://asmedigitalcollection.asme.org/fluidsengineering/article-pdf/doi/10.1115/1.4000241/5579694/111301_1.pdf

Reference12 articles.

1. The Perspectives of Applications of Ventilated Cavities on Naval Combat Ships;Ivanov

2. Hydrofoil Drag Reduction by Partial Cavitation;Amromin;ASME J. Fluids Eng.

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4. Improvement of Hydrofoil Performance by Partial Ventilated Cavitation in Steady Flow and Periodic Gusts;Kopriva;ASME J. Fluids Eng.

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