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Question: A pin fin, or spine, is a fin with a circular cross section. An array of aluminum pin fins are used to remove heat from a surface whose temperature is 120°C The temperature of the ambient air is 25°C The thermal conductivity of aluminum is 168 W/m

• K. The natural convective coefficient associated with the surrounding air is 30 W/m2

• K. The fins are 100 nun long and have respective diameters of 4 mm.

(a) Determine the temperature distribution along a fin using five equally spaced elements.

(b) Approximate the total heat loss for an array of 100 fins.

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92309407

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