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A loaf of bread having a surface temperature of 373 K is being baked in an oven whose walls and the air rate 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 as 0.85 and the loaf can be assumed a rectangular solid 114.3 mm high x 114.3 mm wide x 330 mm long. Calculate the radiation heat transfer rate to the bread, assuming that this 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 rate 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 as 0.85 and the loaf can be assumed a rectangular solid 114.3 mm high x 114.3 mm wide x 330 mm long. Calculate the radiation heat transfer rate to the bread, assuming that this is small compared to the oven and neglecting natural convection heat transfer.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A loaf of bread having a surface temperature of 373 K is being baked in an oven whose walls and the air rate at 477A K. The bread moves continuously through the large oven on an open chain belt conveyor. The emissivity of the bread is estimated as 0.85 and the loaf can be assumed a rectangular solid 114.3 mm high x 114.3 mm wide x 330 mm long. Calculate the radiation heat transfer rate to the bread, assuming that this is small compared to the oven and neglecting natural convection heat transfer.
Transcribed Image Text:A loaf of bread having a surface temperature of 373 K is being baked in an oven whose walls and the air rate at 477A K. The bread moves continuously through the large oven on an open chain belt conveyor. The emissivity of the bread is estimated as 0.85 and the loaf can be assumed a rectangular solid 114.3 mm high x 114.3 mm wide x 330 mm long. Calculate the radiation heat transfer rate to the bread, assuming that this is small compared to the oven and neglecting natural convection heat transfer.
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