Q2 : A hot surface at 100°C is to be cooled by attaching 0.25 3 cm long, 0.25 cm diameter aluminum pin fins (k =237 em W/m.°C) to it, with a center-to-center distance of 0.6 cm. The temperature of the surrounding medium is 30 °C, and the heat transfer coefficient on the surfaces is 35 W/m2.°C. Determine the rate of heat transfer from the surface for a 1x1 m2 seetion of the plate. Also determine the overall effectiveness of the fins.
Q2 : A hot surface at 100°C is to be cooled by attaching 0.25 3 cm long, 0.25 cm diameter aluminum pin fins (k =237 em W/m.°C) to it, with a center-to-center distance of 0.6 cm. The temperature of the surrounding medium is 30 °C, and the heat transfer coefficient on the surfaces is 35 W/m2.°C. Determine the rate of heat transfer from the surface for a 1x1 m2 seetion of the plate. Also determine the overall effectiveness of the fins.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.40P: One end of a 0.3-m-long steel rod is connected to a wall at 204C. The other end is connected to a...
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