Recent content by miriza

  1. M

    Loss due to open channel to pipe flow transition

    Fred and Astronuc: Thanks for the help... Just to add more info: The case I'm interested in is an open channel discharging into a box culvert and then back into an open channel. I actually found a reference that has a similar equation, but I'm still not sure exactly how it was derived...
  2. M

    Loss due to open channel to pipe flow transition

    Hi! I have the following equation for the entrance loss from an open channel to a pipe, but I'm not sure how it was derived: hloss = K*(V2^2 - V1^2)/2g I have always seen entrance losses as: K*(V^2)/2g, but why is the channel flow velocity considered in the equation above. Thanks...
  3. M

    Entrance loss from open channel to pipe

    Hi! I have the following equation for the entrance loss from an open channel to a pipe, but I'm not sure how it was derived: hloss = K*(V2^2 - V1^2)/2g I have always seen entrance losses as: K*(V^2)/2g, but why is the channel flow velocity considered in the equation above. Thanks...
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