Jump to content
RockWare Support Forum
Sign in to follow this  
Alison

TOUGH2 Phase Settings

Recommended Posts

In problem 6 in the TOUGH2 manual (Eos 7), I can choose between single phase (either liquid or gaseous) and two phase flow. However, I am a little bit confused. It is said that for a single-phase system one has to set: e.g. Xbrine = 0, than it's a single-phase system without brine. Xair = 0.99, than it's single-phase gas system. Why don’t we just set Xair=1?

Share this post


Link to post
Share on other sites

In a single phase system with Xair=0.99 then the mass fraction of gaseous water is 0.01. In our experience, TOUGH2 is more stable if a small amount of water vapor is present in the gas (which is also the realistic case). The Brine mass fraction is 0.0 since the salt does not evaporate.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this  

×