# modeling the mixture of fresh and saline water

 User Name Remember Me Password
 Register Blogs Members List Search Today's Posts Mark Forums Read

 April 15, 2005, 12:12 modeling the mixture of fresh and saline water #1 francisco tovar Guest   Posts: n/a Sponsored Links Hello I have a little experience in CFX. but only with one domain. This time I want to know, if is possible modeling the mixture of fresh and saline water. The purpose of this study is to know, how long is enough so that the water of a pool communicated with the sea, has certain proportion of salt water and fresh? We want to know the salinity of the water in the time. Can you recommend me some lectures or tutorials? thanks a lot

 April 17, 2005, 18:27 Re: modeling the mixture of fresh and saline water #2 Glenn Horrocks Guest   Posts: n/a Hi, Yes, CFX can model this. If you want to model the mixing process and the density difference is not important you can do it with a passive scalar (additional variable). I don't think you can make density a function of an additional vairable so if you want to include density variations you will need to model it with a multiphase model. Glenn Horrocks

 April 18, 2005, 09:50 Re: modeling the mixture of fresh and saline water #3 Jon Guest   Posts: n/a You dont have to do this with multiphase. If you want to inlcude ensity differences you can use a multi-componant flid. Create a mixture of water and saline water (variable composition mixture). Set the mass fractions appropriately at the BCs and ICs. Normally the diffusivity of saline in fresh water is given as the dynamics viscosity (4.3E-4, I think).

 April 19, 2005, 12:44 Re: modeling the mixture of fresh and saline water #4 francisco tovar Guest   Posts: n/a thank you Glenn and Jon, I have never heard about it, but I am going to begin to read it in help. If you have a suggestion of a tutorial or even a book, it will be welcome. francisco

 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 Vin FLUENT 8 May 9, 2008 08:51