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  1. redeng50

    Nitrogen flow through orifice

    Thank you for your replies! I am still in undergrad and have a lot to learn and appreciate the constructive criticism. Here are the variables for equation 2-24: q- rate of flow at flowing conditions in m^3/s Y- net expansion factor for compressible flow through orifices, nozzles, or pipe. This...
  2. redeng50

    Nitrogen flow through orifice

    I'm trying to calculate the flow of nitrogen through an orifice and wanted to check to see if my method is correct. The inlet of the orifice is at 1.38 Barg and the outlet is unrestricted flow to atmospheric conditions at 21 C. The cross sectional area of the pipe is 1.78x10^-5 m^2. I have been...
  3. redeng50

    Calculating N2 flow to equipment

    I went back and checked it out and the pressure gauges are at the outlet of the regulators, so they can be ignored. Some of the lines leading from the regulators to the equipment are unrestricted and I'd like to calculate the flow for those. There are ~100 pieces of equipment using nitrogen...
  4. redeng50

    Calculating N2 flow to equipment

    I'm trying to determine the amount of nitrogen flowing to various pieces of equipment in SCFM. 1/2" drops lead to pressure gauges just upstream of each regulator. ~5 feet of plastic tubing connect the regulators to the equipment. Inlet and outlet pressures range from 20 PSIG to atmospheric. The...

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