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  • Users: AHayden
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  1. AHayden

    CFM vs SCFM

    I have been running around in circles trying to figure a relation between CFM and SCFM. I have a perforated bar with 243 holes. The pressure on the inside of the bar to be 2psi. The pressure outside the bar is 1.143psi (there is a web laying on top, which represents the cushion pressure). I...
  2. AHayden

    Air Flow Through a Perforated Bar

    Good Morning All! I have a bar (OD: 3.75", ID: 3", Length: 5') with 243 total perforation holes (Dia: 0.094") running air through to create a turn bar for a paper web to rotate over. I have attached my model. I have found the cushion pressure to be 1.143psi. This was found using PC=T/R where T...

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