Q5/ Water ( Cp =4.18 kJ/kg.°C) at ( 30 °C) is available for use as a coolant in counter flow double pipe heat exchanger whose total surface area is ( 2 m'). The water is to be to cool oil ( Cp =2.3 kJ/kg.°C) from an initial temperature of ( 150 °C). Because of other circumstances, an exit water temperature greater than ( 90 °C) cannot be allowed. The exit temperature of the oil must not be below ( 56 °C). The over all heat transfer coefficient is ( 290 W/m².°C) Estimate the flow rate of oil & water .
Q5/ Water ( Cp =4.18 kJ/kg.°C) at ( 30 °C) is available for use as a coolant in counter flow double pipe heat exchanger whose total surface area is ( 2 m'). The water is to be to cool oil ( Cp =2.3 kJ/kg.°C) from an initial temperature of ( 150 °C). Because of other circumstances, an exit water temperature greater than ( 90 °C) cannot be allowed. The exit temperature of the oil must not be below ( 56 °C). The over all heat transfer coefficient is ( 290 W/m².°C) Estimate the flow rate of oil & 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.
Chapter10: Heat Exchangers
Section: Chapter Questions
Problem 10.17P
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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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