@ARTICLE{Goodarzi_Mohammad_Reza_Numerical_2025,
 author={Goodarzi, Mohammad Reza and Ghassemi, Hojat},
 volume={vol. 46},
 number={No 1},
 pages={37‒48},
 journal={Archives of Thermodynamics},
 howpublished={online},
 year={2025},
 publisher={The Committee of Thermodynamics and Combustion of the Polish Academy of Sciences and The Institute of Fluid-Flow Machinery Polish Academy of Sciences},
 abstract={Vapour-liquid equilibrium calculation is crucial in oil industry and multi-phase systems such as droplet evaporation. This paper presents a comprehensive numerical analysis of phase equilibrium in multi-component systems at various pressures and temperatures, accounting for high-pressure phenomena including thermodynamic non-ideality and inert gas effects. The phase equilibrium is determined by solving the fugacity equation iteratively to find the equilibrium mole fractions in both liquid and vapour phases. The Peng-Robinson equation of state is used to handle non-idealities and calculate fugacity coefficients. This study details the procedure for computing vapour-liquid equilibrium and evaluates N2, O2, and CO2 solubility in liquid alkanes such as heptane, dodecane, and hexadecane. Model performance is validated against experi-mental data for binary and ternary systems, showing good agreement. Results indicate that density and molecular attractive forces impact gas dissolution. Increased pressure and gas density enhance solubility in the liquid phase, while temperature effects vary between subcritical and supercritical regions. The study also highlights differences in gas solubility between heavy and light fluids.},
 title={Numerical investigation on vapour-liquid equilibrium and gas solubility in hydrocarbons for binary and ternary systems},
 type={Article},
 URL={http://ochroma.man.poznan.pl/Content/134770/4_AoT_1-2025_Ghassemi-731.pdf},
 doi={10.24425/ather.2025.154179},
 keywords={Vapour-liquid equilibrium, Gas solubility, Fugacity, High pressure, Hydrocarbons, Binary and ternary systems},
}