An aluminum fin (k=237W/ m°C) having I cm diameter with 50cm length is attached to a combustion cylinder surface at 100°C, the value of heat transfer coefficient is 30W/m'-K and ambient temperature of air is 25°C. The efficiency of the fin is percent.

An aluminum fin (k=237W/ m°C) having I cm diameter with 50cm length is attached to a combustion cylinder surface at 100°C, the value of heat transfer coefficient is 30W/m'-K and ambient temperature of air is 25°C. The efficiency of the fin is percent.

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.

Chapter3: Transient Heat Conduction

Section: Chapter Questions

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Question

An aluminum fin (k=237W/m°C) having 1 cm diameter with 50cm length is attached to a
combustion cylinder surface at 100°C, the value of heat transfer coefficient is 30W/m'-K and
ambient temperature of ar 15 25°C. The efficiency of the fin 15
percent.

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