A shell-and-tube heat exchanger operates with two shell passes and four tube passes. The shell fluid is ethylene glycol, which enters at 140 °C and leaves at 80 °C with a flow rate of 4500 kg/h and specific heat of 2742 J/kg. C. Water flows in the tubes, entering at 35 °C and leaving at 85 °C and specific heat of 4.180 kJ/kg. C. The overall heat-transfer coefficient for this arrangement is 850 W/m². C. Calculate the flow rate of water required and the area of the heat exchanger.
A shell-and-tube heat exchanger operates with two shell passes and four tube passes. The shell fluid is ethylene glycol, which enters at 140 °C and leaves at 80 °C with a flow rate of 4500 kg/h and specific heat of 2742 J/kg. C. Water flows in the tubes, entering at 35 °C and leaving at 85 °C and specific heat of 4.180 kJ/kg. C. The overall heat-transfer coefficient for this arrangement is 850 W/m². C. Calculate the flow rate of water required and the area of the heat exchanger.
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 10.12P
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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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Problem 3
A shell-and-tube heat exchanger operates with two shell passes
and four tube passes. The shell fluid is ethylene glycol, which
enters at 140 °C and leaves at 80 °C with a flow rate of 4500 kg/h
and specific heat of 2742 J/kg. C. Water flows in the tubes,
entering at 35 °C and leaving at 85 °C and specific heat of 4.180
kJ/kg. C. The overall heat-transfer coefficient for this
arrangement is 850 W/m². C. Calculate the flow rate of water
required and the area of the heat exchanger.
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