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AJag

Pressure Simulations

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What's the best method to simulate the scaling tendencies at varying pressures and temperature using Geochemical Workbench software?

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Hello AJag,

Here are a couple of suggestions to help you get started. You can use the ‘sliding temperature’ path option to simulate varying temperatures in React. The sliding temperature path allows you start at an initial temperature and gradually change the temperature of your system to a final desired temperature. For more information and examples, please refer to section 3.4 ‘Polythermal reaction paths’ in the GWB Reaction Modeling User’s guide.

You can't set confining pressure within GWB apps except in Act2 and Tact. All thermodynamic data in the datasets distributed with the GWB is compiled along the steam saturation curve. You can, however, set the partial pressure or fugacity of gases in your system. For more information on how to set partial pressure or fugacity of gases, please refer to section 7.5 of the GWB Essentials User's guide. You can also set up your gas partial pressure or fugacity to vary over the duration of the simulation using the 'sliding' feature. For more information, you can refer to section 3.6 of the Reaction modeling user's guide.

If you wish, you can compile a thermo dataset at a pressure or temperature of interest. See the K2GWB and DBCreate references on our thermo data page for more info.

Hope this helps.

Best regards,

Jia Wang

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