A very long semicylindrical furnace has a radius of 2 m. The curved top surface, whose emissivity is 0.75, has built-in radiant heaters that provide a uniform heat flux of 8000 W/m² to the furnace space. The bottom surface is at 150 C and has an emissivity of 0.9. (a) What is the temperature of the curved top surface? (b) What is the rate of heat flow to the bottom surface per meter length of the furnace?
A very long semicylindrical furnace has a radius of 2 m. The curved top surface, whose emissivity is 0.75, has built-in radiant heaters that provide a uniform heat flux of 8000 W/m² to the furnace space. The bottom surface is at 150 C and has an emissivity of 0.9. (a) What is the temperature of the curved top surface? (b) What is the rate of heat flow to the bottom surface per meter length of the furnace?
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter11: Heat Transfer By Radiation
Section: Chapter Questions
Problem 11.35P
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