Question: 3. Using a U-tube multi-tube heat exchanger as shown below, cool an oil flow from 380K to 320K to 5.5kg/s. Oil flows through the shell

3. Using a U-tube multi-tube heat exchanger as shown below, cool an oil flow from 380K to 320K to 5.5kg/s. Oil flows through the shell outside the tube, coolant 280K flows 2m/s through 16 tube bundles with an internal diameter of 15mm. Calculate the temperature of the coolant assuming that the average specific heat of oil and water is 2.122 and 4.180 kJ/kgK, respectively

280k water flows 2m/s

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