Steam in a heating system flows through tubes whose outer diameter is 10 cm and whose walls are maintained at a temperature of 200°C. Circular aluminium alloy 2024-T6 fins (k = 186 W/m K) of outer diameter 12 cm and constant thickness 2 mm are attached to the tube. The space between the fins is 4 mm, and thus there are 270 fins per meter length of the tube. Heat is transferred to the surrounding air at To = 35°C, with a heat transfer coefficient of 50 W/m2-K. Determine the increase in heat transfer from the tube per meter of its length as a result of adding fins 5 cm 6 cm T, =35°C

Steam in a heating system flows through tubes whose outer diameter is 10 cm and whose walls are maintained at a temperature of 200°C. Circular aluminium alloy 2024-T6 fins (k = 186 W/m K) of outer diameter 12 cm and constant thickness 2 mm are attached to the tube. The space between the fins is 4 mm, and thus there are 270 fins per meter length of the tube. Heat is transferred to the surrounding air at To = 35°C, with a heat transfer coefficient of 50 W/m2-K. Determine the increase in heat transfer from the tube per meter of its length as a result of adding fins 5 cm 6 cm T, =35°C

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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