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.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text: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.
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