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ISSN Online: 2377-424X

International Heat Transfer Conference 5
September, 3-7, 1974, Tokyo, Japan

ANALYSIS AND INTERPRETATION OF THE RESPONSE OF COATED THIN-FILM HEAT FLUX GAGES

Get access (open in a dialog) DOI: 10.1615/IHTC5.2750
pages 283-287

Sinopsis

The response characteristics of coated thin-film heat flux gages used to measure transient heat transfer rates are analyzed by solving the direct heat conduction problem for a composite solid consisting of two thin layers on a semi-infinite solid for certain variations of surface heat flux with time. Results permit gage response to be predicted. A method for interpreting the response of coated gages to compute the heat flux that produced that response (the inverse conduction problem) is presented. The method employs the results of the direct problem and requires knowledge of the approximate form of the heat flux variation with time.