A circumferential fin with a rectangular cross section is made of mild steel has an outer diameter

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A circumferential fin with a rectangular cross section is made of mild steel has an outer diameter of 3.7 cm OD, and a thickness of 0.3 cm. An array of these circular fins = are attached to a circular tube with an outer diameter of 2.5 cm as shown. Cooling air blowing over the fin produces a heat transfer coefficient of 28.4 W/m2 K. If the temperatures of the base of the fin and of the flowing air are 260°C and 38°C, respectively, numerically determine the temperature distribution in the fin and the heat transfer rate from the fin. Compare your results with those obtained by fin analysis of Chapter 2. Also, how different is the performance if the fins are made of aluminum instead?

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Principles Of Heat Transfer

ISBN: 9781305387102

8th Edition

Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn

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