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TECHNICAL BRIEFS

The Virtual Mass of a Rotating Sphere in Fluids

[+] Author and Article Information
Abdullah Abbas Kendoush

Department of Heat Transfer, Center of Engineering Physics,  Ministry of Sciences and Technology, Baghdad, Iraq

J. Appl. Mech 72(5), 801-802 (Feb 05, 2005) (2 pages) doi:10.1115/1.1989357 History: Received September 03, 2004; Revised February 05, 2005

An analytical solution to the virtual mass of a rotating fluid or solid sphere is obtained. The solution is valid at Reynolds number <10. The solution was based on integrating the kinetic energy of the fluid round the rotating sphere. The value of the virtual mass coefficient of the rotating sphere was found to be equal to 5.

Copyright © 2005 by American Society of Mechanical Engineers
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