Engineering, 16.10.2020 06:01 maddo36

Water at 20 °C flows at 3 m/s in a tube with a diameter of 50 mm. a) What is the pressure drop over 30 meters if the walls of the tube are smooth? Water at 20 °C flow at 3 m/s in the annulus of a concentric tube heat exchanger. The inner wall of the annulus has a diameter of 25 mm and the outer wall a diameter of 50 mm. What is the pressure drop over 30 meters if: b) The walls are taken as smooth? c) The walls are made of commercial steel?

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Water at 20 °C flows at 3 m/s in a tube with a diameter of 50 mm. a) What is the pressure drop over...