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RESEARCH PAPERS

Linearized Potential Flow Models for Hydrofoils in Supercavitating Flows

[+] Author and Article Information
Tetsuo Nishiyama

Department of Mechanical Engineering, Tohoku University, Sendai, Japan

Terukazu Ota

Tohoku University; Department of Mechanical Engineering, Akita University, Akita, Japan

J. Basic Eng 93(4), 550-564 (Dec 01, 1971) (15 pages) doi:10.1115/1.3425309 History: Received January 26, 1971; Online October 27, 2010

Abstract

A number of linearized models of fully cavitating flow about hydrofoils are investigated. Specifically, the cavity closure and wake behind the closure are examined and their effects on the characteristics of a symmetrical wedge, a base-vented hydrofoil, and a supercavitating hydrofoil of arbitrary shape are considered. By comparing theoretical and experimental results, the suitability of various flow models is examined and the one which gives the best results is explored in detail. A method based on the later model for calculating the characteristics of a hydrofoil with a cavity of finite length is presented.

Copyright © 1971 by ASME
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