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Problem 3 An annular aluminum (k = 240 W/m.K) fin of rectangular profile is attached to a circular tube that has an outside diameter of 30 mm and a surface temperature of 250°C. The fin is 2 mm thick and has an outside diameter of 88 mm. The temperature and the convection coefficient associated with the adjoining outside fluid are 25°C and 35 W/m?.K, respectively. (a) What is the heat loss per fin? (b) If 200 such fins are spaced uniformly per meter along the tube length, determine the %3D heat loss per meter of tube length.

Problem 3 An annular aluminum (k = 240 W/m.K) fin of rectangular profile is attached to a circular tube that has an outside diameter of 30 mm and a surface temperature of 250°C. The fin is 2 mm thick and has an outside diameter of 88 mm. The temperature and the convection coefficient associated with the adjoining outside fluid are 25°C and 35 W/m?.K, respectively. (a) What is the heat loss per fin? (b) If 200 such fins are spaced uniformly per meter along the tube length, determine the %3D heat loss per meter of tube length.

Elements Of Electromagnetics
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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Problem 3 An annular aluminum (k = 240 W/m.K) fin of rectangular profile is attached to a circular tube that has an outside diameter of 30 mm and a surface temperature of 250°C. The fin is 2 mm thick and has an outside diameter of 88 mm. The temperature and the convection coefficient associated with the adjoining outside fluid are 25°C and 35 W/m?.K, respectively. (a) What is the heat loss per fin? (b) If 200 such fins are spaced uniformly per meter along the tube length, determine the heat loss per meter of tube length.
Transcribed Image Text:Problem 3 An annular aluminum (k = 240 W/m.K) fin of rectangular profile is attached to a circular tube that has an outside diameter of 30 mm and a surface temperature of 250°C. The fin is 2 mm thick and has an outside diameter of 88 mm. The temperature and the convection coefficient associated with the adjoining outside fluid are 25°C and 35 W/m?.K, respectively. (a) What is the heat loss per fin? (b) If 200 such fins are spaced uniformly per meter along the tube length, determine the heat loss per meter of tube length.
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