150 circular copper wings ( k=400 W/m C) with a diameter of 5 cm and a thickness of 1 mm were attached to a pipe with a diameter of 3 cm and a length of 150 cm, the outer surface of which was held at 220 C. The gap between the wings is 9mm and the pipe is in an environment of 22 C temperature. Since the heat transfer coefficient between the pipe and the surrounding air is 80 W/M^20C, calculate the heat transfer in the finned pipe. Find the amount of increase in heat transfer.

150 circular copper wings ( k=400 W/m C) with a diameter of 5 cm and a thickness of 1 mm were attached to a pipe with a diameter of 3 cm and a length of 150 cm, the outer surface of which was held at 220 C. The gap between the wings is 9mm and the pipe is in an environment of 22 C temperature. Since the heat transfer coefficient between the pipe and the surrounding air is 80 W/M^20C, calculate the heat transfer in the finned pipe. Find the amount of increase in heat transfer.

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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