A loaf of bread having a surface temperature of 373 K is being baked in an oven whose walls and the air are at 477.4 K. The bread moves continuously through the large oven on an open chain belt conveyor. The emissivity of the bread is estimated to be 0.85, and the loaf can be assumed to be a rectangular solid 114.3 mm high × 114.3 mm wide × 330 mm long. Calculate the radiation heat-transfer rate (in SI and AES units) to the bread, assuming that it is small compared to the oven and neglecting natural convection heat transfer.
A loaf of bread having a surface temperature of 373 K is being baked in an oven whose walls and the air are at 477.4 K. The bread moves continuously through the large oven on an open chain belt conveyor. The emissivity of the bread is estimated to be 0.85, and the loaf can be assumed to be a rectangular solid 114.3 mm high × 114.3 mm wide × 330 mm long. Calculate the radiation heat-transfer rate (in SI and AES units) to the bread, assuming that it is small compared to the oven and neglecting natural convection heat transfer.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
A loaf of bread having a surface temperature of
373 K is being baked in an oven whose walls
and the air are at 477.4 K. The bread moves
continuously through the large oven on an open
chain belt conveyor. The emissivity of the bread
is estimated to be 0.85, and the loaf can be
assumed to be a rectangular solid 114.3 mm high × 114.3 mm wide × 330 mm long. Calculate the radiation heat-transfer rate (in SI and AES units) to the bread, assuming that it is small compared to the oven and neglecting natural convection heat transfer.
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