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RESEARCH PAPERS

Development and Evaluation of a Remote Sensing Technique for Determining the Temperature Distribution in Semitransparent Solids

[+] Author and Article Information
R. E. Chupp

Detroit Diesel Allison, Division of General Motors Corp., Indianapolis, Ind.

R. Viskanta

School of Mechanical Engineering, Purdue University, Lafayette, Ind.

J. Heat Transfer 96(3), 391-397 (Aug 01, 1974) (7 pages) doi:10.1115/1.3450211 History: Received January 22, 1974; Online August 11, 2010

Abstract

A technique is presented for recovering the temperature profile in semitransparent solids from remotely sensed spectral emission data. The temperature distribution is determined by iteratively solving the equation governing the emerging spectral emission to recover the profile to best match the emission data. The technique is evaluated using both analytical and experimental emission data. Analytical results show the effect of data error, number of data points, method of representing the temperature profile, and optical thickness range. The method is verified experimentally using Corning Code 7940 fused quartz by comparing recovered temperature profiles with those predicted by a combined conduction-radiation heat-transfer analysis.

Copyright © 1974 by ASME
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