A gray body with a constant surface temperature of 7000C and a surface area of 500cm2 radiates in a large room, whose surfaces are black and maintained at 1000C. If the gray surface emittance is 0.6, determine the radiative heat transfer between the surface and the room.

A gray body with a constant surface temperature of 7000C and a surface area of 500cm2 radiates in a large room, whose surfaces are black and maintained at 1000C. If the gray surface emittance is 0.6, determine the radiative heat transfer between the surface and the room.

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 11.6P

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A gray body with a constant surface temperature of 700⁰C and a surface area of 500cm² radiates in a large room, whose surfaces are black and maintained at 100⁰C. If the gray surface emittance is 0.6, determine the radiative heat transfer between the surface and the room.

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