# Can Fluent measure the mass flow of water/sand mixture?

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 January 21, 2013, 14:26 Can Fluent measure the mass flow of water/sand mixture? #1 Member   Osamah Ali Al-Hashimi Join Date: Jul 2012 Posts: 44 Rep Power: 7 Hi, I have a hydrocyclone model supplied by water+sand mixture; a percentage of sand should be separated from water. Can fluent give me information about this percentage? How much sand (kg/sec) will goes from the top outlet and how much will goes to the down outlet? It is working with water as follows: Inlet = 0.84767848 kg/s Top_Outlet= -0.71924299 kg/s Down_Outlet= -0.12842806 kg/s But for Sand: Inlet = 0.041 kg/s Top_Outlet= ??? kg/s Down_Outlet= ??? kg/s 383px-Hydrocyclone.png My Geo.jpg

 January 25, 2013, 06:48 #2 Member   Osamah Ali Al-Hashimi Join Date: Jul 2012 Posts: 44 Rep Power: 7 Any response please....

 January 28, 2013, 13:01 #3 Member     NormalVector Join Date: Oct 2010 Posts: 72 Rep Power: 9 Can't you do a flux report to get the total mass flow and then use a surface integral report to get the mass fraction of your sand?

 January 29, 2013, 14:15 #4 Member   Osamah Ali Al-Hashimi Join Date: Jul 2012 Posts: 44 Rep Power: 7 Many Thanks for your reply, but could you please give me more clarification, what to select from the surface integral tap? 11.jpg I have a DPM not Mixture or Eulerian. Again Thank you very much friend. Last edited by Al-Hashimi; January 29, 2013 at 15:59.

 January 30, 2013, 16:05 #5 Member     NormalVector Join Date: Oct 2010 Posts: 72 Rep Power: 9 Your report type could be something like "Area Weighted Average" and then your field variable could be "Mass Fraction of ________". Does that get you what you want?

 January 30, 2013, 19:27 #6 Member   Osamah Ali Al-Hashimi Join Date: Jul 2012 Posts: 44 Rep Power: 7 I'm sure it will work, but my friend, there is nothing in the field variable called "Mass Fraction" . Many thanks for your kind assistance wwwww.jpg

 January 30, 2013, 20:47 #7 Member     NormalVector Join Date: Oct 2010 Posts: 72 Rep Power: 9 Sure there is. The report type is "Area Weighted Average", the field variable is "Species..." and then you choose "Mass fraction of _____". Of course that's if you have enable species transport. If you haven't, maybe I misread your question but it seems you should be keeping track of multiple species. I'm not sure if it's the same when you do a multiphase simulation.

February 2, 2013, 02:46
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 Originally Posted by NormalVector Sure there is. The report type is "Area Weighted Average", the field variable is "Species..." and then you choose "Mass fraction of _____". Of course that's if you have enable species transport. If you haven't, maybe I misread your question but it seems you should be keeping track of multiple species. I'm not sure if it's the same when you do a multiphase simulation.
The prolblem is in descrete phase not multiphase. Is there any way to calculate it for descrete phase?

 February 2, 2013, 07:00 #9 Member   Osamah Ali Al-Hashimi Join Date: Jul 2012 Posts: 44 Rep Power: 7 You are right my friend, the problem that i cannot choose between water or sand phase becouse of the DPM not Multiphase Model. msaeedsadeghi likes this.

 Tags hydrocyclone, mass flow

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