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You would like to use straight pin fins, with a diameter of 6 mm and length of 4 cm, to cool a device. The baseplate that the pins will be attached to has dimensions of 10 cm by 12 cm. The pins are made out of aluminum, which has a thermal conductivity of 205 W/m.°C, and the convection coefficient of the flow around the pins is 25 W/m².°C. What is the overall efficiency of the the finned baseplate if there are 25 pins. Assume the tips to be adiabatic. Neglect radiation. Oʻ974

You would like to use straight pin fins, with a diameter of 6 mm and length of 4 cm, to cool a device. The baseplate that the pins will be attached to has dimensions of 10 cm by 12 cm. The pins are made out of aluminum, which has a thermal conductivity of 205 W/m.°C, and the convection coefficient of the flow around the pins is 25 W/m².°C. What is the overall efficiency of the the finned baseplate if there are 25 pins. Assume the tips to be adiabatic. Neglect radiation. Oʻ974

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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You would like to use straight pin fins, with a diameter of 6 mm and length of 4 cm, to cool a device. The baseplate that the pins will be attached to has dimensions of 10 cm by 12 cm. The pins are made out of aluminum, which has a thermal conductivity of 205 W/m-°C, and the convection coefficient of the flow around the pins is 25 W/m².°C. What is the overall efficiency of the the finned baseplate if there are 25 pins. Assume the tips to be adiabatic. Neglect radiation. 0ʻ974
Transcribed Image Text:You would like to use straight pin fins, with a diameter of 6 mm and length of 4 cm, to cool a device. The baseplate that the pins will be attached to has dimensions of 10 cm by 12 cm. The pins are made out of aluminum, which has a thermal conductivity of 205 W/m-°C, and the convection coefficient of the flow around the pins is 25 W/m².°C. What is the overall efficiency of the the finned baseplate if there are 25 pins. Assume the tips to be adiabatic. Neglect radiation. 0ʻ974
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