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Fluid mechanics

  1. Oct 7, 2008 #1
    In fox mcdonald - 6th edition page 83...i read that the free surface profile is independent of any property of liquid. But i have doubt that any liquid tried to acquire a shape so as to minimize its energy.
    So what went wrong?
     
  2. jcsd
  3. Oct 9, 2008 #2

    Andy Resnick

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    I don't have that book, but the free surface profile- the local curvature- is set by the pressure jump across the surface and the interfacial energy (Laplace equation). I suppose one could argue that neither is a property of the bulk fluid, but the interfacial energy is dependent on both materials.
     
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