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Dynamical concentration

  1. Jul 6, 2010 #1
    hope someone can help me to find a mathematical decription for the following problem:
    - there is a system (water tank) with a volume Vs in which a substance is dissolved with the concentraiton Cs
    - volume is drained out of the tank with a flow Vo' ("o" for out)
    - the volume is cleansed (decrease in concentraion) so has afterwards a concentration Ci ("i" for in)and pumped back into the system

    so I'm searching for a (differential?) equation to describe the concentration in the system Cs depending on Vo' and Ci

    EDIT: seen to late, that the title should be "dynamical" - sorry dumb typo :-(
     
  2. jcsd
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