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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A novel design for a condenser consists of a tube of thermal conductivity 200 W/m ∙ K with longitudinal fins snugly fitted into a larger tube. Condensing refrigerant at 45°C flows axially through the inner tube, while water at a flow rate of 0.012 kg/s passes through the six channels around the inner tube. The pertinent diameters are D1 = 10 mm, D2 =14 mm, and D3 = 50 mm, while the fin thickness is t 2 mm. Assume that the convection coefficient associated with the condensing refrigerant is extremely large.
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Determine the heat removal rate per unit tube length in a section of the tube for which the water is at 15°C.
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