A triangular duct whose surfaces are all black has a length of L=0.69 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=5.67×10® W/(m²K4) Lz=1.13 m, Tz=606 K L2=0.62 m, T2=433 K L3=0.84 m, T3=340 K

A triangular duct whose surfaces are all black has a length of L=0.69 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=5.67×10® W/(m²K4) Lz=1.13 m, Tz=606 K L2=0.62 m, T2=433 K L3=0.84 m, T3=340 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.

Chapter8: Natural Convection

Section: Chapter Questions

Problem 8.15P: 8.15 A mercury bath at is to be heated by immersing cylindrical electric heating rods, each 20 cm...

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