Numerical properties of equations involving high-order derivatives of pressure with respect to volume

被引：0
|
作者：
Claude F. Leibovici
Dan Vladimir Nichita
机构：
[1] CFL Consultant,CNRS UMR 5150, Laboratoire des Fluides Complexes
[2] Université de Pau et des Pays de l’Adour,undefined
来源：
Chemical Papers | 2010年 / 64卷
关键词：
cubic equations of state; high order derivatives of pressure with respect to volume; geometric locus; nodal curves;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents some unexpected features related to the solution of equations containing a high-order derivative of pressure with respect to volume equated to zero. For pure components, such equations define, in the pressure-temperature plane, nodal curves similar in shape to mixture spinodal curves. The analysis was made for a general form of two-parameter cubic equations of state and various numerical aspects for the Redlich-Kwong equation of state are exemplified.
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页码：106 / 113
页数：7
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