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Does a moving Submarine Create a Toroidal Vortex?

  1. Feb 15, 2016 #1
    Today I learned how easy it is to create and visualize toroidal vortices in a swimming pool. I bet this could be done in a bathtub.



    Do moving submarines create a big toroidal vortex around themselves?
     
  2. jcsd
  3. Feb 15, 2016 #2

    A.T.

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    If you design them badly.
     
  4. Feb 15, 2016 #3
    Care to supply any detail or a reference?
     
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