# multiphase equations

 Register Blogs Members List Search Today's Posts Mark Forums Read

 October 9, 2003, 00:59 multiphase equations #1 prasanth Guest   Posts: n/a hello, can any one give the reference for the derivation of governing equations of multiphase equations(mixture model--particularly) used by FLuent. thanks in advance. prasanth

 October 9, 2003, 10:28 Re: multiphase equations #2 mateus Guest   Posts: n/a Hi! There's not much to say about multiphase equations in fluent. They are the normal Navier Stokes equations with the exeption that you have a mixture fluid. You can find the derivation of the Navier - Stokes equations in any book about fluid mechanics/fluid dynamics or cfd. The assumption of mixture model is that you treat two (or more) fluids as one fictive continuum, which is defined by density and viscosity of both fluids: ro=alpha*rho_f1+(1-alpha)*rho_f2 mu=alpha*mu_f1+(1-alpha)*mu_f2 alpha is Volume fraction of specific fluid... Best regards MATEUS

 October 9, 2003, 12:25 Re: multiphase equations #3 prasanth Guest   Posts: n/a thanks for your kind reply. I know whatever you said. since i studied documentation, even in 6.1 version too.... i want some reference where such equations are derived. since that involves so many interface phenomena. thnks indeed!!! prasanth

 October 17, 2003, 11:43 Re: multiphase equations #4 David Guest   Posts: n/a hi, you have to do what we call some discretisation of equation, using some numerical methods models. Have you done some numerical analysis? You can have a look at this article: http://www.ldeo.columbia.edu/~katz/S...e-sub_SLCN.pdf You may get a better picture of what it is about and the results you can obtain with it. I hope this helps David

 October 18, 2003, 11:50 Re: multiphase equations #5 zwdi Guest   Posts: n/a Hi Prasanth, Fluent 6.1 gives the reference book titled "On the mixture model for multiphase flow" written by Mikko Manninen & Veikko Taivassalo. I hope you can find the details of that model there. Best regards, Zwdi

 October 18, 2003, 13:46 Re: multiphase equations #6 prasanth Guest   Posts: n/a hai DAVID, thank for ur reply.. yeah I do know about discretisation. I have done course in "numerical methods in thermal engineering" which covers FDM,FVM basically. but i do mean about multiphase equations. thanks again prasanth

 October 18, 2003, 14:07 Re: multiphase equations #7 prasanth Guest   Posts: n/a hai ZWDI, thanks for your reply. i have seen it in reference. reference no. 163. thank you. I have to find out, how far it is, also whether that book will be available.. thanks again

 October 19, 2003, 16:29 Re: multiphase equations #8 zwdi Guest   Posts: n/a Hi Prasanth, You can find it from the website of that company. Good luck Zwdi

 October 20, 2003, 01:04 Re: multiphase equations #9 prasanth Guest   Posts: n/a Dear ZWDI, Yeah, I got it yesterday; I typed the key word as VTT Publishers after the trials with the title and after searching my institute library website. The I got the link to PDF files of all years.It is of 67 pages. THank you once again prasanth

 Thread Tools Display Modes Linear Mode

 Posting Rules You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is OffTrackbacks are On Pingbacks are On Refbacks are On Forum Rules

 Similar Threads Thread Thread Starter Forum Replies Last Post pete Site Help, Feedback & Discussions 20 June 16, 2015 13:52 Max585 FLUENT 1 March 20, 2012 08:49 m.gos Main CFD Forum 0 April 30, 2011 14:21 delaneyluke CFX 2 May 5, 2010 06:42 Jan Ramboer Main CFD Forum 2 August 19, 1999 01:58

All times are GMT -4. The time now is 13:58.