03-As shown in the figure, four circumferential fins of aluminum rectangular profile are installed inside a 20-cm-diameter tube maintained at 150 C. The fins have a thickness of 2 cm. The fins are exposed to a convection environment at 20 C with h = 120 W/m?C. Determine the length of the fins that enhance the Heat transfer to the environment by 3 times of the heat transfer without fins, !!

03-As shown in the figure, four circumferential fins of aluminum rectangular profile are installed inside a 20-cm-diameter tube maintained at 150 C. The fins have a thickness of 2 cm. The fins are exposed to a convection environment at 20 C with h = 120 W/m?C. Determine the length of the fins that enhance the Heat transfer to the environment by 3 times of the heat transfer without fins, !!

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 2.38P: 2.38 The addition of aluminum fins has been suggested to increase the rate of heat dissipation from...

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