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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Saturated steam at 1.35 atm condenses on the outside of a 2.6-m length of copper tubing, heating 5 kg/h of water
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Flowing in the tube. The water temperatures measured at 10 equally spaced stations along the tube length (see the sketch below) are:

Calculate (a) the average overall heat transfer coefficient Uo based on the outside tube area, (b) the average water-side heat transfer coefficient hw (assume the steam-side coefficient at hs is 11,000 W/m2 K), (c) the local overall coefficient Ux based on the outside tube area for each of the 10 sections between temperature stations, and (d) the local water-side coefficients hwx for each of the 10 sections. Plot all items versus tube length. The tube dimensions are ID = 2 cm, OD = 2.5 cm. Temperature station 1 is at tube entrance and station 11 is at tube exit.
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