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Andrew Lindsay August 20, 2003 03:08

Modelling Water Drop Out
Dear Group,

I am looking at whether it is possible to model the rate of water condensation on a pipe wall downstream of a pipeline Tee. I have a hot and a cold stream coming together and mixing, which results in condensation in the gas phase.

Are there software models available to model this sort of situation? Are there any free tools - I don't have lots of money to look at this.

Any assistance would be greatly appreciated.

Best regards

Andrew Lindsay

Alton Reich, PE August 20, 2003 09:42

Re: Modelling Water Drop Out

It depends on the level of detail that you need.

RELAP5 was developed for analyzing thermal-hydraulic transients in nuclear power systems and will track condensation (steam quality) in piping systems. It's a 1-D code, so you will only be able to see quality vary with distance along the run of piping.

A CFD code (like CFD-ACE+) will allow you to look at condensation using an enthalpy based method that will provide a greater level of detail on spatial variation. It, however, is not free.


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