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Recent content by SteveFoster

  1. SteveFoster

    K value for a double shutoff quick disconnect.

    Thanks everyone for the help. RGasEng, I was going to solve for L but I don't believe I can use the fully turbulent friction factor because my flow never goes turbulent, or even close. The link katmar posted was very helpful. I know the units are awful but I am using a spreadsheet that was...
  2. SteveFoster

    K value for a double shutoff quick disconnect.

    Actually the viscosity is 5.99E+01 cp and I am using psf, I even went back to check in case I thought one thing and wrote another, but it is in psf (5psi *144=720psf). How did you come about with your value for K?
  3. SteveFoster

    K value for a double shutoff quick disconnect.

    I am doing a relatively simple flow analysis on a piping network and I ran into a problem. The piping network was some quick disconnects that are giving me large minor losses. For instance, the manufacturers catalog data shows that at 8gpm the qd has a 5psi(guage) pressure drop. From manometry...
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