中国物理B ›› 2005, Vol. 14 ›› Issue (12): 2433-2439.doi: 10.1088/1009-1963/14/12/011

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Molar volume, thermal expansivity and isothermal compressibility of trans-decahydronaphthalene up to 200MPa and 446K

朱虎刚, 刘志华, 田宜灵, 薛源, 阴亮   

  1. Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
  • 收稿日期:2005-04-28 修回日期:2005-08-24 出版日期:2005-12-20 发布日期:2005-12-20

Molar volume, thermal expansivity and isothermal compressibility of trans-decahydronaphthalene up to 200MPa and 446K

Zhu Hu-Gang (朱虎刚), Liu Zhi-Hua (刘志华), Tian Yi-Ling (田宜灵), Xue Yuan (薛源), Yin Liang (阴亮)   

  1. Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
  • Received:2005-04-28 Revised:2005-08-24 Online:2005-12-20 Published:2005-12-20

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摘要： The molar volume isotherms of {trans}-decahydronaphthalene (C_{10}H_{18}) between 293 and 446 K and at pressures from 10 to 200 MPa have been determined. A modified Tait equation of state is used to fit each experimental molar volume isotherm with a maximum average deviation of 0.029%. The thermal expansivity (cubic expansion coefficient) \alpha and isothermal compressibility \kappa were determined by fitting the slopes of the isobaric curves and isotherms, respectively. The coefficients in the equation V_m=C_1+C_2 T+C_3 T^2 - C_4 p - C_5 pT have been fitted with an average deviation of 1.03%.

关键词: trans-decahydronaphthalene, Tait equation, thermal expansivity, isothermal compressbility

Abstract: The molar volume isotherms of trans-decahydronaphthalene (C$_{10}$H$_{18}$) between 293 and 446 K and at pressures from 10 to 200 MPa have been determined. A modified Tait equation of state is used to fit each experimental molar volume isotherm with a maximum average deviation of 0.029%. The thermal expansivity (cubic expansion coefficient) $\alpha$  and isothermal compressibility $\kappa$  were determined by fitting the slopes of the isobaric curves and isotherms, respectively. The coefficients in the equation $V_m=C_1+C_2 T+C_3 T^2 - C_4 p - C_5 pT$ have been fitted with an average deviation of 1.03%.

Key words: trans-decahydronaphthalene, Tait equation, thermal expansivity, isothermal compressbility

中图分类号:  (Thermal properties of liquids)

  • 65.20.-w
64.30.-t (Equations of state of specific substances)