1. A longitudinal fin of rectangular profile of width L=3 cm is cooled by forced air at 95°c with a velocity of 1.7 m/s as shown in the figure. The fin base temperature is at 980°C. The thickness of the aluminum fin is 1 mm, which has the thermal conductivity is 176 W/mk. (a) Determine the convection heat transfer coefficient, (b) Determine the optimum profile length using the general chart. (c) Determine the optimum heat transfer rate to the fin using the general chart. (d) Determine the fin efficiency using the definition of fin efficiency.

1. A longitudinal fin of rectangular profile of width L=3 cm is cooled by forced air at 95°c with a velocity of 1.7 m/s as shown in the figure. The fin base temperature is at 980°C. The thickness of the aluminum fin is 1 mm, which has the thermal conductivity is 176 W/mk. (a) Determine the convection heat transfer coefficient, (b) Determine the optimum profile length using the general chart. (c) Determine the optimum heat transfer rate to the fin using the general chart. (d) Determine the fin efficiency using the definition of fin efficiency.

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

Problem 3.10P: 3.10 A spherical shell satellite (3-m-OD, 1.25-cm-thick stainless steel walls) re-enters the...

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