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PWR pressure drop

  1. May 18, 2011 #1
    For pressure drop of PWR, what is the plenum to plenum pressure drop?
     
  2. jcsd
  3. May 18, 2011 #2
    It has been years since I worked on these things, but I recall it was about 40 psi.
     
  4. May 18, 2011 #3

    Astronuc

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    Staff: Mentor

    About 25-27 psid at hot conditions across a conventional 12 ft (3.66 m) core.
     
  5. May 19, 2011 #4
    Astronuc, if you include the steam generator tubes and other reactor coolant piping, does it add up to about 40 psi? I thought I remember the reference Westinghouse 3400 MWt PWR RCPs being sized for about 100,000 gpm @ 40 psi.
     
  6. May 19, 2011 #5

    Astronuc

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    Staff: Mentor

    I was referring to just the pressure drop across the core. The pressure drop around the primary loop or across the reactor coolant pump, is of course greater, and 40 psid seems about right. I have the actual numbers somewhere.
     
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