Problem 3 An annular aluminum (k = 240 W/m.K) fin of rectangular profile is attached to a circular tube that has an outside diameter of 30 mm and a surface temperature of 250°C. The fin is 2 mm thick and has an outside diameter of 88 mm. The temperature and the convection coefficient associated with the adjoining outside fluid are 25°C and 35 W/m?.K, respectively. (a) What is the heat loss per fin? (b) If 200 such fins are spaced uniformly per meter along the tube length, determine the %3D heat loss per meter of tube length.
Problem 3 An annular aluminum (k = 240 W/m.K) fin of rectangular profile is attached to a circular tube that has an outside diameter of 30 mm and a surface temperature of 250°C. The fin is 2 mm thick and has an outside diameter of 88 mm. The temperature and the convection coefficient associated with the adjoining outside fluid are 25°C and 35 W/m?.K, respectively. (a) What is the heat loss per fin? (b) If 200 such fins are spaced uniformly per meter along the tube length, determine the %3D heat loss per meter of tube length.
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.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.42P: 2.42 A circumferential fin of rectangular cross section, 3.7-cm OD and 0.3 cm thick, surrounds a...
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