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Freon 12 at -400C is flowing thro a copper tube of 1 cm OD. The atm air is at 300C and film coefficient b/w
Freon 12 at -400C is flowing thro a copper tube of 1 cm OD. The atm air is at 300C and film coefficient b/w the tube surface and air is 10 w/m2K. An engineer wanted to reduce the heat losses and added 6 mm thick asbestos (k = 0.1105 W/mK) insulation to the tube. Determine the % reduction in the heat loss due to this added insulation. Assume that the outer surface of the tube is at -400C
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Principles of heat transfer
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
7th Edition
495667706, 978-0495667704
