2016 Chemical Engineering Case Analysis

2017-09-08 View Original

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5. I have a heat exchanger that is well-insulated. The inlet and outlet temperatures of the hot fluid are 150°C and 35°C respectively, with a flow rate of 25 kg/min; its constant-pressure heat capacity is 4.36 kJ/(kg·K). The inlet and outlet temperatures of the cold fluid are 0°C and 110°C respectively, with a constant-pressure heat capacity of 4.69 kJ/(kg·K). The ambient temperature is 0°C. What value can the efficiency be reduced to?

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2016 Chemical Engineering Case Analysis

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