Explicit accounting of electronic effects on the Hugoniot of porous materials
A generalized enthalpy based equation of state, which includes thermal electron excitations explicitly, is formulated from simple considerations. Its application to obtain Hugoniot of materials needs simultaneous evaluation of pressure-volume curve and temperature, the latter requiring solution of a...
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Veröffentlicht in: | Journal of applied physics 2016-03, Vol.119 (12) |
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creator | Nayak, Bishnupriya Menon, S. V. G. |
description | A generalized enthalpy based equation of state, which includes thermal electron excitations explicitly, is formulated from simple considerations. Its application to obtain Hugoniot of materials needs simultaneous evaluation of pressure-volume curve and temperature, the latter requiring solution of a differential equation. The errors involved in two recent papers [Huayun et al., J. Appl. Phys. 92, 5917 (2002); 92, 5924 (2002)], which employed this approach, are brought out and discussed. In addition to developing the correct set of equations, the present work also provides a numerical method to implement this approach. Constant pressure specific heat of ions and electrons and ionic enthalpy parameter, needed for applications, are calculated using a three component equation of state. The method is applied to porous Cu with different initial porosities. Comparison of results with experimental data shows good agreement. It is found that temperatures along the Hugoniot of porous materials are significantly modified due to electronic effects. |
doi_str_mv | 10.1063/1.4944430 |
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Comparison of results with experimental data shows good agreement. It is found that temperatures along the Hugoniot of porous materials are significantly modified due to electronic effects.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4944430</identifier><identifier>CODEN: JAPIAU</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>ACCOUNTING ; Applied physics ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; COMPARATIVE EVALUATIONS ; CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY ; DIFFERENTIAL EQUATIONS ; Electronic properties ; ELECTRONS ; ENTHALPY ; EQUATIONS OF STATE ; ERRORS ; EXCITATION ; IONS ; Numerical methods ; POROSITY ; POROUS MATERIALS ; SPECIFIC HEAT</subject><ispartof>Journal of applied physics, 2016-03, Vol.119 (12)</ispartof><rights>AIP Publishing LLC</rights><rights>2016 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c355t-91aa22187931774cf4373a317778aa9fe0bc9ff2d2c3d981c53aeed911d2f8793</citedby><cites>FETCH-LOGICAL-c355t-91aa22187931774cf4373a317778aa9fe0bc9ff2d2c3d981c53aeed911d2f8793</cites><orcidid>0000-0003-2241-360X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jap/article-lookup/doi/10.1063/1.4944430$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,776,780,790,881,4498,27901,27902,76127</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22594541$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Nayak, Bishnupriya</creatorcontrib><creatorcontrib>Menon, S. V. G.</creatorcontrib><title>Explicit accounting of electronic effects on the Hugoniot of porous materials</title><title>Journal of applied physics</title><description>A generalized enthalpy based equation of state, which includes thermal electron excitations explicitly, is formulated from simple considerations. Its application to obtain Hugoniot of materials needs simultaneous evaluation of pressure-volume curve and temperature, the latter requiring solution of a differential equation. The errors involved in two recent papers [Huayun et al., J. Appl. Phys. 92, 5917 (2002); 92, 5924 (2002)], which employed this approach, are brought out and discussed. In addition to developing the correct set of equations, the present work also provides a numerical method to implement this approach. Constant pressure specific heat of ions and electrons and ionic enthalpy parameter, needed for applications, are calculated using a three component equation of state. The method is applied to porous Cu with different initial porosities. Comparison of results with experimental data shows good agreement. It is found that temperatures along the Hugoniot of porous materials are significantly modified due to electronic effects.</description><subject>ACCOUNTING</subject><subject>Applied physics</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>COMPARATIVE EVALUATIONS</subject><subject>CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY</subject><subject>DIFFERENTIAL EQUATIONS</subject><subject>Electronic properties</subject><subject>ELECTRONS</subject><subject>ENTHALPY</subject><subject>EQUATIONS OF STATE</subject><subject>ERRORS</subject><subject>EXCITATION</subject><subject>IONS</subject><subject>Numerical methods</subject><subject>POROSITY</subject><subject>POROUS MATERIALS</subject><subject>SPECIFIC HEAT</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqdkEFLAzEQhYMoWKsH_0HAk8LWTJI1m6OUaoWKFz2HmE1qpN2sSVb035ulhd49vcfwzczjIXQJZAbkjt3CjEvOOSNHaAKkkZWoa3KMJoRQqBop5Ck6S-mTEICGyQl6Xvz0G298xtqYMHTZd2scHLYba3IMnTfYOld8wqHD-cPi5bAu45BHqg8xDAlvdbbR6006RyeuiL3Y6xS9PSxe58tq9fL4NL9fVYbVda4kaE0pNEIyEIIbx5lgevSi0Vo6S96NdI621LBWNmBqpq1tJUBL3bg1RVe7uyFlr1KJb82HCV1XgipKa8lrDgeqj-FrsCmrzzDErgRTFMp7XlMiCnW9o0wMKUXrVB_9VsdfBUSNnSpQ-04Le7Njx5c6-9D9D_4O8QCqvnXsD77ig-c</recordid><startdate>20160328</startdate><enddate>20160328</enddate><creator>Nayak, Bishnupriya</creator><creator>Menon, S. 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Its application to obtain Hugoniot of materials needs simultaneous evaluation of pressure-volume curve and temperature, the latter requiring solution of a differential equation. The errors involved in two recent papers [Huayun et al., J. Appl. Phys. 92, 5917 (2002); 92, 5924 (2002)], which employed this approach, are brought out and discussed. In addition to developing the correct set of equations, the present work also provides a numerical method to implement this approach. Constant pressure specific heat of ions and electrons and ionic enthalpy parameter, needed for applications, are calculated using a three component equation of state. The method is applied to porous Cu with different initial porosities. Comparison of results with experimental data shows good agreement. 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subjects | ACCOUNTING Applied physics CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPARATIVE EVALUATIONS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY DIFFERENTIAL EQUATIONS Electronic properties ELECTRONS ENTHALPY EQUATIONS OF STATE ERRORS EXCITATION IONS Numerical methods POROSITY POROUS MATERIALS SPECIFIC HEAT |
title | Explicit accounting of electronic effects on the Hugoniot of porous materials |
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