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  1. Diggergrad

    Volumetric Flow Rate from Pressurized Header

    Latexman, It appears as though the hose I have is going to be smooth. The ACFH was for the inlet condition of 150 psig, and I came up with a value of 0.7987 lbm/sec. Now, if I were to take a 1" branch 100 ft off of the 3" header, and then split that 1" branch into two 3/4" branches each...
  2. Diggergrad

    Volumetric Flow Rate from Pressurized Header

    Thanks Latexman, Thanks for your input to this problem! After doing some further searching on this type of problem around google, I came across some college slides that had similar information. As you indicated, my confusion was knowing whether it was an orifice or a pipe and how they each...
  3. Diggergrad

    Volumetric Flow Rate from Pressurized Header

    Thanks for the link.. I checked that out earlier today and am still a bit fuzzy on a few of the concepts. To confirm that the flow is going to be choked, I would use the upstream pressure as 162 psia (150 psig) and use the downstream pressure as 12 psia (atm). If i did that, I would have a...
  4. Diggergrad

    Volumetric Flow Rate from Pressurized Header

    Thanks for the response. I am a young engineer and this is a good learning process for me. Would you be able to extrapolate on this subject a bit more for me. I understand that sonic velocity is when the fluid velocity is equal to Mach 1 or the speed of sound. Would the speed of sound be...
  5. Diggergrad

    Volumetric Flow Rate from Pressurized Header

    I have a 3" nitrogen header maintained at 150 psig, and I am trying to figure out what the volumetric flow rate would be through a 1" I.D. 100 ft branch exiting to atmosphere (12 psia). There will be a ball valve isolating it from the atmosphere. So in other words, I am wondering if there is a...

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