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Channel with half water and air

Posted 2017年2月13日 GMT-5 21:22 Fluid & Heat, Computational Fluid Dynamics (CFD), Microfluidics 1 Reply

Viren M
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I am new to COMSOL Multiphysics and want to model simple CFD channel already filled with half water and air. Also, water movement within the channel w.r.t air. Please guide me. Thank you.

1 Reply Last Post 2017年2月14日 GMT-5 03:21
Dara Bayat
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Posted: 8 years ago 2017年2月14日 GMT-5 03:21
I think you would need to use the two-phase flow module. there are two options there: level-set or phase-field. both should work but read about their differences in the help:

www.comsol.com/model/capillary-filling-phase-field-method-1878

www.comsol.com/model/inkjet-nozzle-level-set-method-1445

you can also find these models under file-->aplication libraries

this blog post could be helpful too:
www.comsol.com/blogs/which-multiphase-flow-interface-should-i-use/


hope this helps

I think you would need to use the two-phase flow module. there are two options there: level-set or phase-field. both should work but read about their differences in the help: https://www.comsol.com/model/capillary-filling-phase-field-method-1878 https://www.comsol.com/model/inkjet-nozzle-level-set-method-1445 you can also find these models under file-->aplication libraries this blog post could be helpful too: https://www.comsol.com/blogs/which-multiphase-flow-interface-should-i-use/ hope this helps

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