Abstract
view Abstract Citations (20) References (23) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Thermodynamics of dense hydrogen-helium fluids. Graboske, H. C., Jr. ; Olness, R. J. ; Grossman, A. S. Abstract The equilibrium thermodynamic properties of hydrogen-helium fluids are studied in the density-temperature regime appropriate to the interiors of evolving very low-mass stars and giant planets. The low-density molecular fluid is treated by a free energy minimization method utilizing several theoretical models and recent high-pressure experimental results for hydrogen. The high-density metallic fluid is treated by an extension of Thomas-Fermi theory. These approaches are combined to yield a detailed thermodynamic description for two fluids: pure hydrogen and a solar mixture. Equations of state are given for the density range from 0.0001 to 0.001 gm/cu cm and a temperature range from 200 to 60,000 K. Publication: The Astrophysical Journal Pub Date: July 1975 DOI: 10.1086/153688 Bibcode: 1975ApJ...199..255G Keywords: Astronomical Models; Helium; Hydrogen; Planetary Composition; Stellar Structure; Thermodynamic Properties; Abundance; Density Distribution; Gas Density; Gas Mixtures; Planetary Temperature; Solar Physics; Stellar Mass; Thomas-Fermi Model; Astrophysics full text sources ADS |
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