Drag of Bodies of Revolution in Supercavitating Flow

[+] Author and Article Information
W. P. Wolfe, C. E. Hailey, W. L. Oberkampf

Aerodynamics Department, Sandia National Laboratories, Albuquerque, New Mexico 87185

J. Fluids Eng 111(3), 300-305 (Sep 01, 1989) (6 pages) doi:10.1115/1.3243644 History: Received September 04, 1987; Online October 26, 2009


The drag of bodies of revolution at zero degree angle of attack in supercavitating flow has been calculated. The potential flow about the body and cavity is calculated using an axial distribution of source/sink elements and is coupled with laminar and turbulent boundary-layer solutions for the body. Excellent agreement for drag coefficient is demonstrated between theory and a water-tunnel experiment, also between theory and a high-speed water-entry experiment. Results show skin-friction drag is the dominant drag component for high-speed water entry or high-speed underwater travel.

Copyright © 1989 by ASME
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