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April 30, 2014, 08:39 |
Which multiphase flow to solve this problem?
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#1 |
Senior Member
Join Date: Jan 2011
Posts: 339
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Hello I am tried to solve nanofluid problem with base fluid water and Al2O3 as particles flowing into a pipe I want to predict heat transfer coefficient and temperature distribution at the pipe wall which multiphase flow model is better to solve my problem?
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April 30, 2014, 10:58 |
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#2 |
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Camilo Costa
Join Date: Jun 2009
Posts: 34
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I think your problem is not difficult to resolve!! Choose a eulerian model and set the second fluid as a granular!!!
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April 30, 2014, 11:12 |
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#3 |
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Thanks a lot Costa for the answer. I need to ask I have solid particles of Al2O3 can fluent treat it as another phase? I took your advise about granular it need the granular viscosity the default value is 1e-05 and granular bulk viscosity (which i do not know?) how much i set its value?
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May 4, 2014, 12:04 |
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#4 | |
Member
Camilo Costa
Join Date: Jun 2009
Posts: 34
Rep Power: 17 |
Quote:
1ª Eulerian model (granular) 2ª Mixture model (granular) If you have much interation (contact) between the solid particles and the volume fraction is high i dont remeber but i think the Eurelian is more apropriate. In another case use Mixture model. Look this paper: http://mech.vub.ac.be/thermodynamics...ryk_Widera.pdf |
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