The 50-mm peephole of a large furnace operating at 450C is covered with a material having
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The 50-mm peephole of a large furnace operating at 450°C is covered with a material having τ = 0.8 and p = 0 for irradiation originating from the furnace. The material has an emissivity of 0.8 and is opaque to irradiation from a source at room temperature. The outer surface of the cover is exposed to surroundings and ambient air at 27°C with a convection heat transfer coefficient of 50 W/m2 ∙ K. Assuming that convection effects on the inner surface of the cover are negligible calculate the heat loss by the furnace and the temperature of the cover.
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Related Book For
Fundamentals of Heat and Mass Transfer
ISBN: 978-0471457282
6th Edition
Authors: Incropera, Dewitt, Bergman, Lavine
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