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B Basic question about Halbach magnet array

  1. Mar 21, 2016 #1

    berned_you

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    Can a magnetic Halbach array have less than three (i.e. two) magnets in the array? I can't seem to figure this out quickly with google. TIA!
     
  2. jcsd
  3. Mar 21, 2016 #2

    ProfuselyQuarky

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    I don't think so. How could you get the proper arrangement needed for a Halbach array?
     
  4. Mar 21, 2016 #3

    mfb

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    I guess you can get something "halbach-like" with two magnets in a 90° orientation relative to each other. Won't be as good as an actual halbach array and you have to fill it with non-ferromagnetic material if you want to get a full bar, but it would have an asymmetric field.

    What is the purpose of that?
     
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