Q2: A hot surface at 150°C is to be cooled by attaching 4- cm-long, 0.3-cm-diameter aluminum pin fins (k = 200 W/m • °C) to it, with a center- to-center distance of 1 cm. The temperature of the surrounding medium is 25°C, and the heat transfer coefficient on the surfaces is 40 W/m2.°C. Determine the rate of heat transfer from the surface for a 2m * 2m section of the plate. Also determine the overall effectiveness of .the fins

Q2: A hot surface at 150°C is to be cooled by attaching 4- cm-long, 0.3-cm-diameter aluminum pin fins (k = 200 W/m • °C) to it, with a center- to-center distance of 1 cm. The temperature of the surrounding medium is 25°C, and the heat transfer coefficient on the surfaces is 40 W/m2.°C. Determine the rate of heat transfer from the surface for a 2m * 2m section 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 2.60P

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