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RESEARCH PAPERS

Two-Dimensional Transient Temperature Distribution in Cylindrical Bodies With Pulsating Time and Space-Dependent Boundary Conditions

[+] Author and Article Information
J. A. Copley

Naval Weapons Laboratory, Dahlgren, Va.

W. C. Thomas

Mechanical Engineering Department, Virginia Polytechnic Institute and State University, Blacksburg, Va.

J. Heat Transfer 96(3), 300-306 (Aug 01, 1974) (7 pages) doi:10.1115/1.3450196 History: Received December 12, 1973; Online August 11, 2010

Abstract

The two-dimensional conduction equation is solved for a hollow cylinder subjected to a series of heat flux pulses on the inner boundary. The periodic heat flux is represented by an exponentially decreasing pulse with a spatial distribution of peak magnitude. The analytical techniques and representation of the boundary conditions apply to different situations involving pulsating boundary conditions. An application to the gun barrel heating problem is given. Calculated bore surface and internal temperature histories are in good agreement with experimental data. During the actual firing time in rapidly-firing guns, results show that external cooling is generally ineffective for controlling barrel bore surface temperature.

Copyright © 1974 by ASME
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