based on a double-pipe counter flow heat exchanger to be used to cool oil that enters the heat exchanger at 300°F to 105°F at a rate of 5 lbm/s by water that enters at 70°F at a rate of 3 lbm/s. The diameter of the tube is 1 in. and the length is 20 ft. The measured overall heat transfer coefficient of this heat exchanger is 2.14 Btu/s-ft2-°F. [Oil, cp = 0.525 Btu/lbm°F, Water, c, = 1.0 %3D Btu/lbm°F] The logarithmic mean temperature difference in °C is O 46.1 cannot be determined 35.0 59.4
based on a double-pipe counter flow heat exchanger to be used to cool oil that enters the heat exchanger at 300°F to 105°F at a rate of 5 lbm/s by water that enters at 70°F at a rate of 3 lbm/s. The diameter of the tube is 1 in. and the length is 20 ft. The measured overall heat transfer coefficient of this heat exchanger is 2.14 Btu/s-ft2-°F. [Oil, cp = 0.525 Btu/lbm°F, Water, c, = 1.0 %3D Btu/lbm°F] The logarithmic mean temperature difference in °C is O 46.1 cannot be determined 35.0 59.4
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.
Chapter10: Heat Exchangers
Section: Chapter Questions
Problem 10.14P
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Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
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