59: Compute the pace of warmth misfortune per unit region from a round hot air conduit (a) by convection and (b) by concurrent convection and radiation. Accept the pipe has a measurement of 3 ft. also, is made of a cleaned metal (emissivity ɛ = 0.1). The surface temperature of the metal is 150°F, and the surrounding temperature is 65°F. (c) Repeat part (b), expecting to be the metal is painted white outwardly (ɛ = 0.95). %3D
59: Compute the pace of warmth misfortune per unit region from a round hot air conduit (a) by convection and (b) by concurrent convection and radiation. Accept the pipe has a measurement of 3 ft. also, is made of a cleaned metal (emissivity ɛ = 0.1). The surface temperature of the metal is 150°F, and the surrounding temperature is 65°F. (c) Repeat part (b), expecting to be the metal is painted white outwardly (ɛ = 0.95). %3D
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.
Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.48P
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