A horizontal pipe (D = 200 mm , L=180 cm) is losing 2.7 kW to surroundings by radiation, What is the radiative heat transfer coefficient (W/m .K) when AT between pipe surface and surrounding is 48 K? take emissivity to be 0.7

A horizontal pipe (D = 200 mm , L=180 cm) is losing 2.7 kW to surroundings by radiation, What is the radiative heat transfer coefficient (W/m .K) when AT between pipe surface and surrounding is 48 K? take emissivity to be 0.7

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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Question

A horizontal pipe (D = 200 mm, L=180 cm) is losing 2.7
kW to surroundings by radiation, What is the radiative
heat transfer coefficient (W/m".K) when AT between
pipe surface and surrounding is 48 K? take emissivity to
be 0.7

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