Steam exiting the turbine of a steam power plant at 40°C is to be condensed in a large condenser by cooling water flowing through copper pipes (k = 386 W/m-°C) of inner diam- eter 1 cm and outer diameter 1.5 cm at an average temperature of 20°C. The heat of vaporization of water at 40°C is 2407 kJ/kg. The heat transfer coefficients are 13,000 W/m².°C on the steam side and 200 W/m2.°C on the water side. Determine 17-74 the length of the tube required to condense steam at a rate of 115 kg/h. Answer: 622 m Steam, 40°C 115 kg/h Cooling water Liquid water
Steam exiting the turbine of a steam power plant at 40°C is to be condensed in a large condenser by cooling water flowing through copper pipes (k = 386 W/m-°C) of inner diam- eter 1 cm and outer diameter 1.5 cm at an average temperature of 20°C. The heat of vaporization of water at 40°C is 2407 kJ/kg. The heat transfer coefficients are 13,000 W/m².°C on the steam side and 200 W/m2.°C on the water side. Determine 17-74 the length of the tube required to condense steam at a rate of 115 kg/h. Answer: 622 m Steam, 40°C 115 kg/h Cooling water Liquid water
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.
Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.46P
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