Hello Kenza,
how much methane you get in you liquid phase depends on the Henry coefficient you are setting in the binary coefficients and what you set in your respective fluid system. Maybe there is a mistake in the parameters, or you need to use a relationship for another temperature/pressure range. We do not have a fluidsystem for H2O/CH4 currently in the stable dumux version, so I am assuming you are using a costum fluidsystem. I hope this information helps you already. If not, we would need more information about the fluidsystem you are using and which model in dumux you use. Best wishes, Katharina ________________________________ Von: DuMux <[email protected]> im Auftrag von kenza bouznari <[email protected]> Gesendet: Donnerstag, 27. August 2020 22:08:28 An: [email protected] Betreff: [DuMux] Methane dissolution inside a fully saturated cell Hello, I am modeling an injection of methane (gas) into a saturated sand cell. I want to quantify the dissolved concentrations of methane in the liquid phase (water). The problem is that I'm getting a big difference between my simulation with Dumux and the experimental data. the experimental concentrations are around 10 - 15 mg/L. However, with the mass fractions that I simulate with Dumux (for the same temperature and pressure), I obtain 24 mg/l. Has anyone ever had the same issue how have you been able to calibrate your data? if not, do you have any idea which files or parameters I should check to successfully calibrate my data? Thank you, Kenza
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