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Multicomponent multiphase flow

Posted 10 oct. 2012, 08:52 UTC−4 Version 4.0a 5 Replies

Siddharth Kulkarni
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I am currently simulating a model in which the two carrier phases involved are water and toluene and the diffusing components are acetone and methyl isopropyl ketone (MIPK). This problem is to be solved using the Stefan-Maxwell equations together with the Navier-Stokes equations.

I have the inlet composition and the velocity conditions. I am in a fix as to which model is to be used for this. I have used the pde mode general form for Stefan-Maxwell equations and single phase Incompressible flow model for Navier-Stokes (each phase). I am attaching the model herewith. I am getting some results, but when I change the channel dimensions, the profiles of concentration and velocity do not change.
5 Replies Last Post 13 juin 2014, 08:46 UTC−4
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Hello Siddharth Kulkarni

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Natan Padoin
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Posted: 1 decade ago 24 févr. 2013, 09:25 UTC−5
Hi,

Have you got a solution for this problem?

Best Regards,
Natan
Hi, Have you got a solution for this problem? Best Regards, Natan
Siddharth Kulkarni
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Posted: 1 decade ago 24 févr. 2013, 09:35 UTC−5
Hi,

I sorted it out somehow. I think the trick is to stick to the general mode pde form for more flexibility. Yet, I am not 100 % sure whether I have applied all the boundary conditions correctly. However, COMSOL exhibited convergence and results were reasonable enough.
Hi, I sorted it out somehow. I think the trick is to stick to the general mode pde form for more flexibility. Yet, I am not 100 % sure whether I have applied all the boundary conditions correctly. However, COMSOL exhibited convergence and results were reasonable enough.
Hanan Mohamed Mohsin
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Posted: 1 decade ago 12 juin 2014, 05:50 UTC−4
just a question, which model did u use to solve the problem?
just a question, which model did u use to solve the problem?
Siddharth Kulkarni
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Posted: 1 decade ago 12 juin 2014, 05:59 UTC−4
Hi,

I used the PDE general mode (mathematics).
Hi, I used the PDE general mode (mathematics).
Hanan Mohamed Mohsin
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Posted: 1 decade ago 13 juin 2014, 08:46 UTC−4
Hi, do you know how to use multiphysics to solve the multiphase flow?
Hi, do you know how to use multiphysics to solve the multiphase flow?

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