A triangular duct whose surfaces are all black has a length of L=0.96 m. By considering the details given below, calculate the total heat transfer rate by radiation from the bottom surface (Surface-1) to the other surfaces (Surface-2 and Surface-3) of the duct, in W. o-5.67x10 W/(m²K*) L-1.11 m, T-642 K L2=0.66 m, T2-448 K L3=0.85 m, T3-312 K -----

A triangular duct whose surfaces are all black has a length of L=0.96 m. By considering the details given below, calculate the total heat transfer rate by radiation from the bottom surface (Surface-1) to the other surfaces (Surface-2 and Surface-3) of the duct, in W. o-5.67x10 W/(m²K*) L-1.11 m, T-642 K L2=0.66 m, T2-448 K L3=0.85 m, T3-312 K -----

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.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.27P: Determine the rate of radiant heat emission in watts per square meter from a blackbody at (a) 15C,...

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