Engineering, 05.05.2020 20:27 lathwkuster

A well-insulated, shell-and-tube heat exchanger is used to heat water (cp = 4.18 kJ/kg-°C) in the tubes from 20 to 70°C at a rate of 4.5 kg/s. Heat is supplied by hot oil (cp = 2.30 kJ/kg-°C) that enters the shell side at 170°C at a rate of 10 kg/s. Disregarding any heat loss from the heat exchanger, determine (a) the exit temperature of the oil and (b) the rate of entropy generation in the heat exchanger.

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A well-insulated, shell-and-tube heat exchanger is used to heat water (cp = 4.18 kJ/kg-°C) in the tu...