Equation of state for partially ionized carbon and oxygen mixtures at high temperatures
The equation of state (EOS) for partially ionized carbon, oxygen, and carbon-oxygen mixtures at temperatures 3×10(5)K is less than or approximately equal to T is less than or approximately equal to 3×10(6) K is calculated over a wide range of densities, using the method of free energy minimization i...
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| Veröffentlicht in: | Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2011-11, Vol.84 (5 Pt 2), p.056406-056406, Article 056406 |
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| container_end_page | 056406 |
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| container_issue | 5 Pt 2 |
| container_start_page | 056406 |
| container_title | Physical review. E, Statistical, nonlinear, and soft matter physics |
| container_volume | 84 |
| creator | Massacrier, Gérard Potekhin, Alexander Y Chabrier, Gilles |
| description | The equation of state (EOS) for partially ionized carbon, oxygen, and carbon-oxygen mixtures at temperatures 3×10(5)K is less than or approximately equal to T is less than or approximately equal to 3×10(6) K is calculated over a wide range of densities, using the method of free energy minimization in the framework of the chemical picture of plasmas. The free energy model is an improved extension of our model previously developed for pure carbon [Potekhin, Massacrier, and Chabrier, Phys. Rev. E 72, 046402 (2005)]. The internal partition functions of bound species are calculated by a self-consistent treatment of each ionization stage in the plasma environment taking into account pressure ionization. The long-range Coulomb interactions between ions and screening of the ions by free electrons are included using our previously published analytical model, recently improved, in particular for the case of mixtures. We also propose a simple but accurate method of calculation of the EOS of partially ionized binary mixtures based on detailed ionization balance calculations for pure substances. |
| doi_str_mv | 10.1103/PhysRevE.84.056406 |
| format | Article |
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The free energy model is an improved extension of our model previously developed for pure carbon [Potekhin, Massacrier, and Chabrier, Phys. Rev. E 72, 046402 (2005)]. The internal partition functions of bound species are calculated by a self-consistent treatment of each ionization stage in the plasma environment taking into account pressure ionization. The long-range Coulomb interactions between ions and screening of the ions by free electrons are included using our previously published analytical model, recently improved, in particular for the case of mixtures. 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E, Statistical, nonlinear, and soft matter physics</title><addtitle>Phys Rev E Stat Nonlin Soft Matter Phys</addtitle><description>The equation of state (EOS) for partially ionized carbon, oxygen, and carbon-oxygen mixtures at temperatures 3×10(5)K is less than or approximately equal to T is less than or approximately equal to 3×10(6) K is calculated over a wide range of densities, using the method of free energy minimization in the framework of the chemical picture of plasmas. The free energy model is an improved extension of our model previously developed for pure carbon [Potekhin, Massacrier, and Chabrier, Phys. Rev. E 72, 046402 (2005)]. The internal partition functions of bound species are calculated by a self-consistent treatment of each ionization stage in the plasma environment taking into account pressure ionization. The long-range Coulomb interactions between ions and screening of the ions by free electrons are included using our previously published analytical model, recently improved, in particular for the case of mixtures. We also propose a simple but accurate method of calculation of the EOS of partially ionized binary mixtures based on detailed ionization balance calculations for pure substances.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>BINARY MIXTURES</subject><subject>CARBON</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>DISPERSIONS</subject><subject>ELECTRONS</subject><subject>ELEMENTARY PARTICLES</subject><subject>ELEMENTS</subject><subject>ENERGY</subject><subject>EQUATIONS</subject><subject>EQUATIONS OF STATE</subject><subject>FERMIONS</subject><subject>FREE ENERGY</subject><subject>FUNCTIONS</subject><subject>IONIZATION</subject><subject>LEPTONS</subject><subject>MINIMIZATION</subject><subject>MIXTURES</subject><subject>NONMETALS</subject><subject>OPTIMIZATION</subject><subject>OXYGEN</subject><subject>PARTITION FUNCTIONS</subject><subject>PHYSICAL PROPERTIES</subject><subject>PLASMA</subject><subject>TEMPERATURE RANGE</subject><subject>TEMPERATURE RANGE OVER 4000 K</subject><subject>THERMODYNAMIC PROPERTIES</subject><issn>1539-3755</issn><issn>1550-2376</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNo9kMFO3DAQhq2qqGxpX6CHylIPnLKM7ThxjhVaWiQkEAL1aDnOmHWVxLu2g1ientDd7WlGM9__Hz5CvjFYMgbi4m69S_f4vFqqcgmyKqH6QBZMSii4qKuP77toClFLeUo-p_QXQHChyk_klHOmmOT1gvxZbSeTfRhpcDRlk5G6EOnGxOxN3-_o_PKv2FFrYjtTZuxoeNk94UgH_5KniImaTNf-aU0zDhuM5t_xCzlxpk_49TDPyOPV6uHyd3Fz--v68udNYYWAXNQOWuMMg5pxa6CpanCy7ERbWYsdB1AWnVSMi4ahZEYpVQlVO8GMEEy24oz82PeGlL1O1me0axvGEW3WnFVzkvOZOt9Tmxi2E6asB58s9r0ZMUxJN1w1DKCBmeR70saQUkSnN9EPJu40A_1uXR-ta1XqvfU59P1QP7UDdv8jR83iDZxFf0I</recordid><startdate>20111115</startdate><enddate>20111115</enddate><creator>Massacrier, Gérard</creator><creator>Potekhin, Alexander Y</creator><creator>Chabrier, Gilles</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>20111115</creationdate><title>Equation of state for partially ionized carbon and oxygen mixtures at high temperatures</title><author>Massacrier, Gérard ; Potekhin, Alexander Y ; Chabrier, Gilles</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c330t-7f0bafa10712ca09670f54d3b6cced2008cef5812391e51a8886387f31a3315b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>BINARY MIXTURES</topic><topic>CARBON</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>DISPERSIONS</topic><topic>ELECTRONS</topic><topic>ELEMENTARY PARTICLES</topic><topic>ELEMENTS</topic><topic>ENERGY</topic><topic>EQUATIONS</topic><topic>EQUATIONS OF STATE</topic><topic>FERMIONS</topic><topic>FREE ENERGY</topic><topic>FUNCTIONS</topic><topic>IONIZATION</topic><topic>LEPTONS</topic><topic>MINIMIZATION</topic><topic>MIXTURES</topic><topic>NONMETALS</topic><topic>OPTIMIZATION</topic><topic>OXYGEN</topic><topic>PARTITION FUNCTIONS</topic><topic>PHYSICAL PROPERTIES</topic><topic>PLASMA</topic><topic>TEMPERATURE RANGE</topic><topic>TEMPERATURE RANGE OVER 4000 K</topic><topic>THERMODYNAMIC PROPERTIES</topic><toplevel>online_resources</toplevel><creatorcontrib>Massacrier, Gérard</creatorcontrib><creatorcontrib>Potekhin, Alexander Y</creatorcontrib><creatorcontrib>Chabrier, Gilles</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>Physical review. 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E, Statistical, nonlinear, and soft matter physics</jtitle><addtitle>Phys Rev E Stat Nonlin Soft Matter Phys</addtitle><date>2011-11-15</date><risdate>2011</risdate><volume>84</volume><issue>5 Pt 2</issue><spage>056406</spage><epage>056406</epage><pages>056406-056406</pages><artnum>056406</artnum><issn>1539-3755</issn><eissn>1550-2376</eissn><abstract>The equation of state (EOS) for partially ionized carbon, oxygen, and carbon-oxygen mixtures at temperatures 3×10(5)K is less than or approximately equal to T is less than or approximately equal to 3×10(6) K is calculated over a wide range of densities, using the method of free energy minimization in the framework of the chemical picture of plasmas. The free energy model is an improved extension of our model previously developed for pure carbon [Potekhin, Massacrier, and Chabrier, Phys. Rev. E 72, 046402 (2005)]. The internal partition functions of bound species are calculated by a self-consistent treatment of each ionization stage in the plasma environment taking into account pressure ionization. The long-range Coulomb interactions between ions and screening of the ions by free electrons are included using our previously published analytical model, recently improved, in particular for the case of mixtures. We also propose a simple but accurate method of calculation of the EOS of partially ionized binary mixtures based on detailed ionization balance calculations for pure substances.</abstract><cop>United States</cop><pmid>22181527</pmid><doi>10.1103/PhysRevE.84.056406</doi><tpages>1</tpages></addata></record> |
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| ispartof | Physical review. E, Statistical, nonlinear, and soft matter physics, 2011-11, Vol.84 (5 Pt 2), p.056406-056406, Article 056406 |
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| source | American Physical Society Journals |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY BINARY MIXTURES CARBON CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DISPERSIONS ELECTRONS ELEMENTARY PARTICLES ELEMENTS ENERGY EQUATIONS EQUATIONS OF STATE FERMIONS FREE ENERGY FUNCTIONS IONIZATION LEPTONS MINIMIZATION MIXTURES NONMETALS OPTIMIZATION OXYGEN PARTITION FUNCTIONS PHYSICAL PROPERTIES PLASMA TEMPERATURE RANGE TEMPERATURE RANGE OVER 4000 K THERMODYNAMIC PROPERTIES |
| title | Equation of state for partially ionized carbon and oxygen mixtures at high temperatures |
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