A 3 m2 hot black surface at 80 C is losing heat to the surrounding air at 25 C by convection with a convection heat coefficient of 12 W/m2.C and by radiation to the surrounding surfaces at 15 C. Calculate the total rate of heat loss from the surface in watts.

A 3 m2 hot black surface at 80 C is losing heat to the surrounding air at 25 C by convection with a convection heat coefficient of 12 W/m2.C and by radiation to the surrounding surfaces at 15 C. Calculate the total rate of heat loss from the surface in watts.

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 11.56P

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