Heat Transfer to the Insulator Wall of a Linear MGD Accelerator

[+] Author and Article Information
Robert A. Cochran

Shell Pipe Line Corp., Houston, Texas

James A. Fay

Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Mass.

J. Heat Transfer 93(3), 264-270 (Aug 01, 1971) (7 pages) doi:10.1115/1.3449810 History: Received July 17, 1969; Revised August 10, 1970; Online August 11, 2010


An experimental investigation of the rate of heat transfer to the insulator wall of a quasi-steady magnetogasdynamic accelerator is described. The experiments were conducted in an accelerator section attached to the end of a shock tube using argon as the test gas. The measurements are compared with a Hartmann boundary-layer analysis, which correlates the data within the experimental scatter. Based on this theory, estimates of the current shorting through the boundary layer and energy fluxes to the wall are made and compared with the accelerator’s overall performance.

Copyright © 1971 by ASME
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