1. Speed of sound and phase equilibria for ($CO_{2}$ + $C_{3}H_{8}$) mixtures
- Author
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Lozano-Martín, Daniel, Susial, Rodrigo, Hernández, Pedro, Fernández-Vicente, Teresa E., Martín, M. Carmen, and Segovia, José J.
- Subjects
Physics - Chemical Physics - Abstract
This work presents phase envelope and speed of sound data for the (0.60 $CO_{2}$ + 0.40 $C_{3}H_{8}$) and (0.80 $CO_{2}$ + 0.20 $C_{3}H_{8}$) binary mixtures. Phase equilibria was measured using a cylindrical resonator working in the microwave band whereas an acoustic resonator was used for speed of sound measurements. The experimental results were compared with GERG-2008 equation of state, obtaining average absolute deviations by 0.24% in pressure for phase equilibria data and 0.025% for speed of sound data. Speed of sound values were used to derive perfect-gas heat capacities, acoustic virial coefficients, and second density virial coefficients. In addition, AGA8-DC92 equation of state performance was checked for the results derived from speeds of sound.
- Published
- 2024
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