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).

Correct : 0.80

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Related Topics

heat exchanger effectiveness open heart surgery cooling concentric tube counter flow heat exchanger GATE Mechanical Engineering 2022 water to blood heat transfer mechanical engineering gate heat exchanger efficiency calculation fluid properties heat transfer open heart surgery cooling system

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