An Experimental Study of Ammonia as a Reactive Transpiration Coolant—Porous Body Cooling

[+] Author and Article Information
R. L. Gorton

Department of Mechanical Engineering, Kansas State University, Manhattan, Kansas

J. Heat Transfer 91(4), 561-567 (Nov 01, 1969) (7 pages) doi:10.1115/1.3580243 History: Received February 29, 1968; Revised April 07, 1968; Online August 25, 2011


The effect of ammonia as a reactive coolant in porous body cooling was studied experimentally. Energy rejection to the ammonia coolant flowing through an electrically heated porous nichrome plate was measured. The energy absorption due to ammonia dissociation was determined and was found to account for up to 65 percent of the total energy absorption. System variables were chosen to be in the range of interest to transpiration cooling applications.

Copyright © 1969 by ASME
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