{"title":"Equation of State for Tantalum at High Pressures in Waves of Shock Compression and Isentropic Expansion","authors":"K. V. Khishchenko","doi":"10.3103/S1541308X23040052","DOIUrl":null,"url":null,"abstract":"<p>A simple analytical function of pressure versus specific volume and specific internal energy is proposed for describing thermodynamic properties of tantalum in the region of high pressures in the shock-compression and isentropic-expansion waves. On the basis of this equation of state, thermodynamic characteristics of tantalum are calculated in a wide range of degrees of compression and heating. The results of the calculations are compared to the available tantalum data of experiments with shock and centered simple waves. The above equation of state can be used to simulate adiabatic wave processes at high energy densities.</p>","PeriodicalId":732,"journal":{"name":"Physics of Wave Phenomena","volume":"31 4","pages":"273 - 276"},"PeriodicalIF":1.1000,"publicationDate":"2023-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics of Wave Phenomena","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.3103/S1541308X23040052","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PHYSICS, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
A simple analytical function of pressure versus specific volume and specific internal energy is proposed for describing thermodynamic properties of tantalum in the region of high pressures in the shock-compression and isentropic-expansion waves. On the basis of this equation of state, thermodynamic characteristics of tantalum are calculated in a wide range of degrees of compression and heating. The results of the calculations are compared to the available tantalum data of experiments with shock and centered simple waves. The above equation of state can be used to simulate adiabatic wave processes at high energy densities.
期刊介绍：
Physics of Wave Phenomena publishes original contributions in general and nonlinear wave theory, original experimental results in optics, acoustics and radiophysics. The fields of physics represented in this journal include nonlinear optics, acoustics, and radiophysics; nonlinear effects of any nature including nonlinear dynamics and chaos; phase transitions including light- and sound-induced; laser physics; optical and other spectroscopies; new instruments, methods, and measurements of wave and oscillatory processes; remote sensing of waves in natural media; wave interactions in biophysics, econophysics and other cross-disciplinary areas.
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