Water Flow Dilemma

  1. If I have a flow , Q1 l/sec and a pressure P1 Bar , Pipe Diameter D1
    how can I work out the change in flow if either/or both the Pressure
    or Pipe Diameter change. Assuming laminar flow and pipe material
    do not change.

  2. jcsd
  3. russ_watters

    Staff: Mentor

    Welcome to PF!

    Start with the affinity laws:

  4. Use Hagen poiseulle equation

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