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Calculating Emax in concentric cylinder

  1. Dec 8, 2016 #1
    The general formula to calculate maximim electric, Emax in concetric cylinder is Emax= V/a ln (b/a).
    But how does the formula differentiate if there are 3 inner cylindrical electrode?
    upload_2016-12-9_2-20-28.png
     

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  2. jcsd
  3. Dec 8, 2016 #2

    berkeman

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    Staff: Mentor

    Welcome to the PF. :smile:

    That would look to be a much more complicated problem than just concentric cylinders. How exact of a solution do you need? Do you have access to simulation software like COMSOL?

    https://www.comsol.com/acdc-module
     
  4. Dec 8, 2016 #3
    Thanks for the reply :smile:

    I only have FEMM 4.2 software.
     
  5. Dec 8, 2016 #4

    berkeman

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    Staff: Mentor

    Are you in university? What is the context of this question? Do you know anybody with access to electric field modeling software?
     
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