Speed of sound and phase equilibria for ($CO_{2}$ + $C_{3}H_{8}$) mixtures
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arXiv
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866910592844955648 |
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| author | Lozano-Martín, Daniel Susial, Rodrigo Hernández, Pedro Fernández-Vicente, Teresa E. Martín, M. Carmen Segovia, José J. |
| author_facet | Lozano-Martín, Daniel Susial, Rodrigo Hernández, Pedro Fernández-Vicente, Teresa E. Martín, M. Carmen Segovia, José J. |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_04083 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Speed of sound and phase equilibria for ($CO_{2}$ + $C_{3}H_{8}$) mixtures Lozano-Martín, Daniel Susial, Rodrigo Hernández, Pedro Fernández-Vicente, Teresa E. Martín, M. Carmen Segovia, José J. Chemical Physics 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. |
| title | Speed of sound and phase equilibria for ($CO_{2}$ + $C_{3}H_{8}$) mixtures |
| topic | Chemical Physics |
| url | https://arxiv.org/abs/2409.04083 |