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= 6: Consider the steady flow system. A heat exchanger is to cool ethylene glycol (cp 2.56 kJ/kg °C) flowing at a rate of 3.3 kg/s from T1-82°C to T2-38°C by water (Cp = 4.18 kJ/kg °C) that enters at T3=21°C and leaves at T4=75°C. a. Write down the energy balance for this system. b. Determine the rate of heat transfer in the heat exchanger. c. Determine the mass flow rate of water. Cold Water T3 Hot Glycol T4 T2
There are multiple parts per question, please be as clear as possible.
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