Glycerin (cp = 2400 J/kg⋅°C) at 20°C and 0.5 kg/s is to be heated by ethylene glycol (cp = 2500 J/kg⋅°C) at 100°C and the same mass flow rate in a thin-walled double-pipe parallel-flow heat exchanger. The overall heat transfer coefficient is 380 W/m2⋅°C and the heat transfer surface area is 6.5 m2.   Determine the rate of heat transfer. The rate of heat transfer is _____ kW.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Glycerin (cp = 2400 J/kg⋅°C) at 20°C and 0.5 kg/s is to be heated by ethylene glycol (cp = 2500 J/kg⋅°C) at 100°C and the same mass flow rate in a thin-walled double-pipe parallel-flow heat exchanger. The overall heat transfer coefficient is 380 W/m2⋅°C and the heat transfer surface area is 6.5 m2.

 

Determine the rate of heat transfer.

The rate of heat transfer is _____ kW.

 

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