Mechanical Engineering > GATE 2022 SET-1 > Heat Exchanger
During open-heart surgery, a patient’s blood is cooled down to 25 °C from 37 °C
using a concentric tube counter-flow heat exchanger. Water enters the heat
exchanger at 4 °C and leaves at 18 °C. Blood flow rate during the surgery is
5 L/minute.
Use the following fluid properties:
Effectiveness of the heat exchanger is _________ (round off to 2 decimal places).
Use the following fluid properties:
Correct : 0.80
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