Equation of State of 20 Ne gas in the temperature-range 27–36 K
| Autor: | A. N. Akour, Humam B. Ghassib, B. R. Joudeh, A. S. Sandouqa |
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| Rok vydání: | 2018 |
| Předmět: |
Physics
Number density Internal energy General Physics and Astronomy Thermodynamics 02 engineering and technology Atmospheric temperature range 021001 nanoscience & nanotechnology 01 natural sciences Heat capacity symbols.namesake Virial coefficient Helmholtz free energy 0103 physical sciences symbols 010306 general physics 0210 nano-technology Quantum |
| Zdroj: | Chinese Journal of Physics. 56:411-422 |
| ISSN: | 0577-9073 |
| Popis: | The many-body phase shifts for 20Ne gas are calculated for low number densities in the temperature-range 27–36 K, using the Galitskii-Migdal-Feynman formalism. These phase shifts are inserted in the Beth-Uhlenbeck formula to determine the quantum second virial coefficient. This is compared to the classical coefficient as well as to the experimental values and other theoretical results. It is used to investigate the pressure-volume-temperature behavior of the gas and to compute other thermodynamic properties – the Helmholtz free energy, total internal energy, entropy, and specific heat capacity – for a number density of 1× 1027 atoms/m3. Our results show that, in cooling and compressing the system, vapor-liquid condensation always occurs. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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