Fluid Flow Regimes
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Questions and Answers

What causes the almost uniform velocity in turbulent flow compared to laminar flow in a pipe?

  • Reduction in fluid density
  • Decrease in pipe radius
  • Dominance of inertia forces over viscous forces (correct)
  • Increase in pipe length

    • In the velocity profile for laminar and turbulent flows, where is the maximum velocity (umax) located?

  • At the outlet of the pipe
  • At the inlet of the pipe
  • At the pipe wall
  • At the center of the pipe (correct)

    • What is the average velocity (Vavg) in relation to the maximum velocity (umax) for the entire stream flowing through the pipe?

  • Precisely one half of the maximum velocity (correct)
  • Dependent on the pipe diameter
  • Dependent on the fluid viscosity
  • Twice the maximum velocity

    • What causes pressure losses in a pipe when fluid flows through it?

    <p>Frictional and viscous effects</p> Signup and view all the answers

    What is the relationship between pressure drop () and the change in pressure of the fluid as it flows through the length L?

    <p>Is negative therefore V is positive</p> Signup and view all the answers

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