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A Accurately calculating the pressure drop through an orifice

  1. Apr 13, 2016 #1
    upload_2016-4-13_12-4-28.png
    I have a scenario where a specific nozzle is defined to have a flow of 900cc/min.
    The flow co-efficient for this nozle is defined @9.8 MPa -> flow co-efficient= 0.85.

    If I then run fluid through this nozzle at say 200 MPa and I would like to calculate the pressure drop.
    My understanding is taht I would not get an accurate answer using the flow co-efficient of 0.85 as this is valid at 9.8 MPa.

    Therefore how can I calculate the pressure drop?
     

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  2. jcsd
  3. Apr 18, 2016 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
     
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