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November 23, 2005, 22:37
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equilibrium mass fraction
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Guest
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As specified in the CFX-10 help manual for equation 19 under "ANSYS CFX-Solver, Release 10.0: Theory | Particle Transport Theory |Heat and Mass Transfer |",
mass transfer could also be specified using the equilibrium mass fraction (mE). any one have any idea or docoument about how equilibrium mass fraction can be calculated? |
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November 24, 2005, 08:38
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Re: equilibrium mass fraction
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#2 |
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Guest
Posts: n/a
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The calculation of the equilibrium mass fraction is done by the calculation of the equilibrium constant. The relation is:
K = mE/mF Since you have the fluid mass fraction, you should calculate the constant K in order to obtain the mE. The calculation of K can be done by a equation of state (Redlich-Kwong) or other simpler rule like Henry's law. Take a look in basic thermodynamics text books, chapter Vapor-Liquid equilibrium. Regards, Ribeiro. |
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