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Brinkmans equation

  1. Jul 12, 2007 #1
    Does somebody know what are the units of the parameters used in brinkmans equation?
     
  2. jcsd
  3. Jul 17, 2007 #2
    dala wrote:
    > Does somebody know what are the units of the parameters used in
    > brinkmans equation?


    If, by Brinkman's equation, you mean something like:

    0 = -@P/@z + mu*Del^2(U) - k*U, meaning Poiseuille flow with an extra
    friction term, then the parameter 'k' is a coefficient of friction,
    with units of viscosity/area. 'mu' is the dynamic viscosity.


    --
    Andrew Resnick, Ph.D.
    Department of Physiology and Biophysics
    Case Western Reserve University
     
  4. Jul 23, 2007 #3
    thanks for the reply Andy.. But the tunneling equation that i'm concerned about is the tunneling one..

    The equations are:
    G(V)/G(0)=1-(Aodelta phi)/(16 phi bar^(3/2))*eV+(9Ao^2/128 phi bar)(eV)^2
    and
    Ao=4(2m)^1/2 * d/3h

    The equations are the equations 7 and 8 of this paper
    "Tunneling Conductance of Asymmetrical Barrieers", W.F. Brinkman, R.C. Dynes and J.M Rowell
    i want to know the units of these parameters used in this equation
     
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