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Burnup rate and Consumption rate

  1. Dec 12, 2006 #1
    Hey ,

    1-What is exactly the difference between the Burnup rate and Consumption rate??

    2-Why do most authorities usually use the term of Burnup rate while the consumption rate it seems to be more general ?!
  2. jcsd
  3. Dec 12, 2006 #2


    User Avatar

    Staff: Mentor

    What does one mean by consumption rate?

    Burnup (in MWd/kgU or GWd/tU) is the energy per unit mass of fuel. Most utilities and manufacturers/suppliers of nuclear fuel use burnup as a basic unit. Some European organizations use burnup in terms of GWd/tUO2. Many fuel properties and fuel performance have been correlated with burnup. Some metal (cladding, guide tube, . . . ) behavior are correlated to fluence (fast flux integrated over time), which is related to dislocation density or dpa.
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