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define mass fraction at inlets

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Old   June 25, 2016, 10:59
Default define mass fraction at inlets
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I'm simulating mixing of water and alcohol in T-shape mixer by speice transport method.
we have 2 inlet and 1 outlet.
2 velocity inlet and 1 outflow.
water inters from one inlet and alcohol inters from another inlet.
in boundary condition I must define mass fraction of water.
what is mass fraction of water at 2 inlets??
thanks a lot
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Old   June 25, 2016, 16:03
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You should enter 0 for water mass fraction and 1 for alcohol for one of the inlets and the exact oposite for the other inlet.
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