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A Relation between Headloss Coefficient and Discharge Coefficient

  1. Jun 24, 2016 #1
    Hi
    Have a look at this formula:
    Cv=((39.693*D^4)/K)^0.5
    It correlates Discharge Coefficient (Cv) for a valve with Headloss coefficient (K) of the valve.
    Please explain this formula and let me know:
    1- Is K fixed for a valve in every situations of it?
    2- Assume an area of a valve is changed during the time. Which are Cv, K or D fixed and which are changed?
    3- Is K fixed during valve's area changing?
    Thank.
     
  2. jcsd
  3. Jun 29, 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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