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-   -   Multiphaseflow Sand/Water (http://www.cfd-online.com/Forums/fluent/117805-multiphaseflow-sand-water.html)

Alex4456 May 15, 2013 10:03

Multiphaseflow Sand/Water
 
Hello guys,

I like to simulate a Multiphaseflow with sand and water. This is going to be an unsteady Simulation. I want to take the Sedimantation and Erosion of Sand into account. Futhermore i dont want to have a sand bed at the start of the Simulation. Iam intereseted at the surfrace/height of the sand bed after a number of simulated seconds. At the end the send bed might be around ~1cm heigh.

Its going to be a simulation of scour like this: http://tolu.giub.uni-bonn.de/herget/...hung/kolk1.jpg, although there is no sand bed for the initialisation

1) I've read through all of the Model descriptions of Fluent, but since iam very new to Multiphaseflows, I'd like to hear your opinions about the right Model
2) Do you know or made equal simulations and have you tutorials/papers and so on?

Thanks so far

A CFD free user May 15, 2013 16:37

Hi
If the amount of solid loading is what you mentioned (<0.01%), then the first choice is DPM but if you're working on sedimentation in a stirred tank, I have to say that there are very few papers that used DPM. A major part of papers usually use Eulerian-Eulerian multiphase model or its simpler form Mixture model. One more thing, if the solid loading is high, then you need to check Granular option in Eulerian model as well. Give me your mail if you want something might be useful.

Alex4456 May 16, 2013 05:09

Hi, thanks so far.

My email is : gimpmailx@gmail.com. You can send me any information you got ;).

Acutally i want to simluate a scour (hope thats the correct word) like this:

http://tolu.giub.uni-bonn.de/herget/...hung/kolk1.jpg

khuti October 29, 2013 12:52

Quote:

Originally Posted by A CFD free user (Post 427832)
Hi
If the amount of solid loading is what you mentioned (<0.01%), then the first choice is DPM but if you're working on sedimentation in a stirred tank, I have to say that there are very few papers that used DPM. A major part of papers usually use Eulerian-Eulerian multiphase model or its simpler form Mixture model. One more thing, if the solid loading is high, then you need to check Granular option in Eulerian model as well. Give me your mail if you want something might be useful.

I just might find this kind of material very useful for my study involving sand and pipes, please send anything you can share to khuti_99@hotmail.com.

Thank you in advance.

bpier July 17, 2014 11:43

I have same study and I have no example or tutorial about the scour analysis with Fluent. Did you find the answer about your question? And can you help me please??:confused:


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