air core modelling using fluent

asifmohammad7 · April 4, 2011, 14:24

HI
I am doing project on simulaton of particle separation in a hydrocyclone,i also have to predict the air core in hydrocyclone ,i am using Eulerian multiphase model and for turbulence i am using standard k-e model in initialization i m giving .2 value in volume fraction of air,my problem is that the air core is not forming plz tell how can the air core can be formed.

xrs333 · April 4, 2011, 16:50

VOF is pertinent for your application.

asifmohammad7 · April 4, 2011, 17:53

thank you for ur suggestion i will try with vof...................

asifmohammad7 · April 5, 2011, 20:38

i have used vof still results are not good the air core shld have mass fraction of air =1 at the centre but i m getting only .1 ,i hav used rsm for turbulence plz tell me the solution of my problem.

April 4, 2011, 14:24	air core modelling using fluent	#1
asifmohammad7 New Member Mohammad Asif Join Date: Apr 2011 Posts: 15 Rep Power: 15	HI I am doing project on simulaton of particle separation in a hydrocyclone,i also have to predict the air core in hydrocyclone ,i am using Eulerian multiphase model and for turbulence i am using standard k-e model in initialization i m giving .2 value in volume fraction of air,my problem is that the air core is not forming plz tell how can the air core can be formed.

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April 4, 2011, 16:50		#2
xrs333 Senior Member xrs333 Join Date: Aug 2010 Posts: 125 Rep Power: 16	VOF is pertinent for your application.

April 4, 2011, 17:53		#3
asifmohammad7 New Member Mohammad Asif Join Date: Apr 2011 Posts: 15 Rep Power: 15	thank you for ur suggestion i will try with vof...................

April 5, 2011, 20:38		#4
asifmohammad7 New Member Mohammad Asif Join Date: Apr 2011 Posts: 15 Rep Power: 15	i have used vof still results are not good the air core shld have mass fraction of air =1 at the centre but i m getting only .1 ,i hav used rsm for turbulence plz tell me the solution of my problem.