Design and Construction of a Thermal Radiation Probe

[+] Author and Article Information
A. A. Orning, C. H. Schwartz

Pittsburgh Coal Research Center, Bureau of Mines, U. S. Department of the Interior, Pittsburgh, Pa.

J. Eng. Power 89(3), 395-398 (Jul 01, 1967) (4 pages) doi:10.1115/1.3616700 History: Received July 22, 1966; Online August 25, 2011


A thermal radiation probe was constructed and tested in pulverized-coal-fired furnaces. A rotatable sensing head on the side of a water-cooled probe permitted measurement of radiant flux within a 12.5 deg cone from any desired direction to a point within a furnace. A response curve for a corner-fired furnace showed radiant flux of 130,000 Btu per sq ft, hr, when viewing flame, and 60,000 Btu per sq ft, hr, when sensing wall reflection. Selected drawings of probe construction are given. Additional drawings are available from the U. S. Bureau of Mines.

Copyright © 1967 by ASME
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