Methane Solubility

Calculates the solubility of methane in water.
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Actualizado 11 jun 2012

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Given pressure (in MPa), Temperature (in Kelvin) and Salinity (in either mol/kg or parts per thousand), this function uses the formulae in Tischenko et al (2005) and Duan et al (1992, 2006) to calculate the solubility of methane inside and outside the methane hydrate stability field.
This function will compute solubilities either over a range of pressures, temperatures or salinities, or for discrete pressure, temperature, salinity points. Two demonstration can be seen using the following code:

To calculate solubility over a range of conditions:

P = [5:.5:15]';
T = [273:.5:293]';
S = [0:10:30];
SalinityUnits = 'ppt';
Datatype = 'range';
NetCH4Solubility = MethaneSolubility(P,T,S,SalinityUnits,Datatype);
xlabel('Temperature (K)')
ylabel('Pressure (MPa)')
zlabel('Methane Solubility (moles CH4 per kg water)')

To calculate solubility for discrete data points:

P = [5:.5:15]';
T = [273:1:293]';
S = [0:1:20]';
SalinityUnits = 'ppt';
Datatype = 'points';
NetCH4Solubility = MethaneSolubility(P,T,S,SalinityUnits,Datatype);

Citar como

William Waite (2024). Methane Solubility (, MATLAB Central File Exchange. Recuperado .

Compatibilidad con la versión de MATLAB
Se creó con R2012a
Compatible con cualquier versión
Compatibilidad con las plataformas
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Versión Publicado Notas de la versión

This version updates the U.S. Geological Survey disclaimer.

This update is only to ensure the acknowledgments written in the script are also included on the Mathworks download page. "Methane Solubility" gratefully acknowledges the XSteam script by Magnus Holmgren and the Progressbar script by Steve Hoelzer.