At the rate of 5,000 lbm/min, water is heated from 100 to 130-F in a shell-and-tube heat exchanger. On the shell side one pass is used with water as the heating fluid, 250 lbm/min enters the exchanger at 200-F. Because of space limitations, the tube length must not be longer than 8 ft. The overall heat-transfer coefficient is 250 Btu/h ft2 - F, and the average water velocity in the 34-in diameter tubes is 1.2 ft/s. Calculate the heat exchanger surface area in ft2.
At the rate of 5,000 lbm/min, water is heated from 100 to 130-F in a shell-and-tube heat exchanger. On the shell side one pass is used with water as the heating fluid, 250 lbm/min enters the exchanger at 200-F. Because of space limitations, the tube length must not be longer than 8 ft. The overall heat-transfer coefficient is 250 Btu/h ft2 - F, and the average water velocity in the 34-in diameter tubes is 1.2 ft/s. Calculate the heat exchanger surface area in ft2.
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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