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Forum: CFX

September 23, 2009, 08:38

Replies: 8

Particle injection boundary condition

Views: 6,765

Posted By John

Thanks for clarify this. Two more questions...

Thanks for clarify this. Two more questions regarding this:

1. One of my previous application case in version 10 was to do a particle tracking for a gas-liquid system in which liquid is the only...

Forum: CFX

September 22, 2009, 22:42

Replies: 8

Particle injection boundary condition

Views: 6,765

Posted By John

C Read the help file again, I did not...

C

Read the help file again, I did not find words clearly showing that particle tracking can not be used for Eulerian-eulerian problem. This needs to be clarified by CFX technical support.
...

Forum: CFX

September 21, 2009, 20:40

Replies: 8

Particle injection boundary condition

Views: 6,765

Posted By John

For Question 2: you can inject particles within...

For Question 2: you can inject particles within 0.1second as follows:
particle mass flow [kg s^-1]*step( (t-0.09[s])/0.01[s] )*step( (0.011[s]-t)/0.01[s])

Forum: CFX

September 17, 2009, 12:01

Replies: 8

Particle injection boundary condition

Views: 6,765

Posted By John

You can multiply your injetction quanitity with...

You can multiply your injetction quanitity with the volume fraction of water.

for your second question, a step function can be used to control the injection time

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