Question

A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.50
cm. Liquid flows through the…

A 1.0-cm-diameter pipe widens to 2.0 cm, then narrows to 0.50
cm. Liquid flows through the first segment at a speed of 4.0
m/s.

  1. What are the speeds in the second and third segments?
  2. What is the volume flow rate through the pipe?
  3. If all three parts of the pipe are at the same height and the
    pressure in the first segment is recorded at 80 kPa, what is the
    pressure in the second and third segments of the pipe?

Solutions

Expert Solution

Assuming liquid to be incompressible and hence applying
continuity equation  A_1V_1=A_2V_2. at each
cross-section.

Where A is cross-section area and V is flow speed


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