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Simulation of mixing

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Old   October 27, 2008, 10:09
Default Simulation of mixing
  #1
Matic Grom
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Hi everyone.

I have the following problem. I would like to simulate mixing of ethanol and water in cilindrical vessel. This would be unsteady (transient) simulation. At t=0 ethanol is on upper half of vessel and water at lower.

I have FloWorks simulation package. Is this kind of simulation at all possible in FloWorks? If it is, how to define initial conditions and specify two regions of vessel (one with ethanol and one with water?

I succesfully simulated mixing of ethanol and water in a sort of static mixer, but this was steady state simulation.

Thank you and best regards.
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Old   October 29, 2008, 08:54
Default Re: Simulation of mixing
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Dr. Dergunov
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Hi!

You should do the following to solve your problem.

1. Create cylinder volume where ethanol would be placed at t=0. 2. Go to Flow Simulation>component control then select and disable the this volume for flow. 3. Go to Menu Flow Simulation>component control>Insert>Local Initial Conditions and set the Initial concentrations for ethanol. 4. Repeat this steps for water.

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Old   November 11, 2008, 03:38
Default Re: Simulation of mixing
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Matic Grom
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Dear Dr. Dergunov,

I am very sorry for my late response, I was very busy last three weeks. I tried your suggestion and it worked.

Thank you very much.

Best regards,

Matic Grom
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