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CFX can simulate sediment transport in reservoir |
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May 8, 2016, 04:15 |
CFX can simulate sediment transport in reservoir
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#1 |
Senior Member
yaseen
Join Date: Oct 2015
Location: Hawler
Posts: 174
Rep Power: 11 |
Hello
CFX can simulate three phase (water+air+sediment) sediment transport in reservoir as shown in attached figure I want to find the rate of sediment pass within bottom pipe (bottom outlet) with water. http://www.cfd-online.com/Forums/att...1&d=1462691684 |
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May 8, 2016, 06:38 |
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#2 |
Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,854
Rep Power: 144 |
This will be a tricky model, but I think you can do it in CFX. You can't use lagrangian particle tracking as that does not include a packing model. But the maximum packing fraction of maybe the fluidised bed models in the eularian particle model may be suitable.
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May 8, 2016, 11:00 |
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#3 | |
Senior Member
yaseen
Join Date: Oct 2015
Location: Hawler
Posts: 174
Rep Power: 11 |
Quote:
the problem is how to define sediment in the fluid domain?, as in free surface we have air and water with there density, is that required to determine height of sediment in the reservoir? how ? |
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May 8, 2016, 20:03 |
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#4 |
Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,854
Rep Power: 144 |
My post gave two options: Use the maximum packing fraction of a eularian particle model to model the bed; or use the fluidised bed model (which is also a eularian particle model by the way).
Neither of these models are designed to do exactly what you want so you are going to have to adapt them a bit. You are also going to have to make your own assessment of whether they are appropriate for your case. |
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