A radiation thermometer is a radiometer calibrated to indicate the temperature of a blackbody. A steel billet

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A radiation thermometer is a radiometer calibrated to indicate the temperature of a blackbody. A steel billet having a diffuse gray surface of emissivity 0.8 is heated in a furnace whose walls are at 1500 K. Determine the temperature of the billet when the radiation thermometer viewing the billet through a small hole in the furnace indicates 1160 K. 

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Fundamentals of Heat and Mass Transfer

ISBN: 978-0471457282

6th Edition

Authors: Incropera, Dewitt, Bergman, Lavine

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