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Old   January 21, 2010, 16:31
Default model foaming process?
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Pei-Ying Hsieh
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Dear CFD experts:

Can someone suggestion references on modeling foaming?

To be more specific:

Inside a test tube, I have liquid A. Then, liquid B starts injecting into the test tube at certain speed. This not only creating mixing of liquid A and liquid B, foaming also occurs at the top of the liquid/air interface.

If VOF and/or level set is used to model this, the cell size probably will have to be VERY small in order to resolver the thickness of the liquid/air interface. Hence, may not be a feasible approach (for those who do not have access to a super-computer).

Is there any modeling technique that can simulate the foaming process (with or without the liquid mixing)?

Thanks!

Pei
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Old   January 21, 2010, 17:56
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CFDtoy
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Hi,
May be this will help. Froth and Foam modeling

http://www.cfd.com.au/cfd_conf06/PDFs/192Cil.pdf

http://cel.sagepub.com/cgi/content/abstract/41/3/251

http://dx.doi.org/10.1016/j.polymer.2005.03.126


Regards,

CFDtoy

Quote:
Originally Posted by phsieh2005 View Post
Dear CFD experts:

Can someone suggestion references on modeling foaming?

To be more specific:

Inside a test tube, I have liquid A. Then, liquid B starts injecting into the test tube at certain speed. This not only creating mixing of liquid A and liquid B, foaming also occurs at the top of the liquid/air interface.

If VOF and/or level set is used to model this, the cell size probably will have to be VERY small in order to resolver the thickness of the liquid/air interface. Hence, may not be a feasible approach (for those who do not have access to a super-computer).

Is there any modeling technique that can simulate the foaming process (with or without the liquid mixing)?

Thanks!

Pei
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Old   January 21, 2010, 19:20
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Pei-Ying Hsieh
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Thanks a lot CFDtoy!

The froth and foam modeling paper looked quite interesting.

I will get the other 2 papers soon.

Best,

Pei
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