5. A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy (k=160 W/m-K). The fin diameter is D=4mm, and the fin is exposed to convective conditions characterized by h=220W/m²-K. It is reported that the fin efficiency is n = 0.65. Determine the fin length Z and the fin effectiveness ε. Account for tip convection. Answer: 23.5
5. A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy (k=160 W/m-K). The fin diameter is D=4mm, and the fin is exposed to convective conditions characterized by h=220W/m²-K. It is reported that the fin efficiency is n = 0.65. Determine the fin length Z and the fin effectiveness ε. Account for tip convection. Answer: 23.5
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 7.53P
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Transcribed Image Text:5. A pin fin of uniform, cross-sectional area is fabricated of an aluminum alloy (k=160 W/m-K). The fin diameter is
D=4mm, and the fin is exposed to convective conditions characterized by h=220W/m²-K. It is reported that the fin
efficiency is n = 0.65. Determine the fin length Z and the fin effectiveness ε. Account for tip convection. Answer: 23.5
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