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Interaction of hot gas with electrons

  1. Apr 15, 2012 #1
    Lets say, we have a cathode that emits electrons into the space under
    field emission and create a space charge in air.There is no arching of
    electrons to anode.We have hot dense gas which blow on space charge
    in certain direction.What would be the most likely outcome of interaction
    between neutral hot gas molecules and electrons, which create a space charge?
    For example,will be electrons blown away uniformly on macroscopic distance
    or more likely they will not move for any remarkable distance at all or it will
    be very non-uniform interaction?
     
  2. jcsd
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