COMPOSITION DEPENDENCE OF A FIELD VARIABLE ALONG THE BINARY-FLUID MIXTURE CRITICAL LOCUS

被引:17
作者
RAINWATER, JC
FRIEND, DG
机构
[1] Thermophysics Division, National Institute of Standards and Technology, Boulder
关键词
D O I
10.1016/0375-9601(94)90799-4
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
There are several classes of field variables used to extend the principle of critical-point universality to binary fluid mixtures. In particular, one can construct a field variable with sufficient flexibility to allow linearity in composition along the critical locus for the large class of binary systems with a critical line which is monotonic in temperature. This choice of hidden field variable has been used extensively in studies of vapor-liquid equilibrium, but a recent study of an alternative class of field variables suggests that linearity in composition along the critical locus cannot, in principle, be imposed exactly. It is demonstrated that several arguments presented by proponents of this proposition do not, in fact, apply to the field variable constructed in our studies.
引用
收藏
页码:431 / 437
页数:7
相关论文
共 30 条
[1]   CRITICAL PARAMETERS OF MIXTURES OF CARBON-DIOXIDE AND ETHANE [J].
ABBACI, A ;
VANDENBERG, HR ;
SAKONIDOU, E ;
SENGERS, JV .
INTERNATIONAL JOURNAL OF THERMOPHYSICS, 1992, 13 (06) :1043-1052
[2]   ON THE CHOICE OF A HIDDEN FIELD VARIABLE NEAR THE CRITICAL-POINT OF FLUID MIXTURES [J].
ANISIMOV, MA ;
SENGERS, JV .
PHYSICS LETTERS A, 1992, 172 (03) :114-118
[3]  
ANISIMOV MA, 1971, RUSS J PHYS CH USSR, V45, P439
[4]   ASYMMETRIC SCALED EQUATION OF STATE AND CRITICAL-BEHAVIOR OF BINARY-MIXTURES [J].
ANISIMOV, MA ;
KISELEV, SB ;
KOSTUKOVA, IG .
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, 1988, 110 (4A) :986-991
[5]   SCALED EQUATION FOR THE ISOCHORIC HEAT-CAPACITY OF METHANE ETHANE MIXTURES IN THE CRITICAL REGION [J].
ANISIMOV, MA ;
KISELEV, SB ;
KHALIDOV, SE .
INTERNATIONAL JOURNAL OF THERMOPHYSICS, 1988, 9 (03) :453-464
[6]  
ANISIMOV MA, 1971, ZH EKSP TEOR FIZ, V33, P605
[7]  
Chang R. F., 1983, International Journal of Thermophysics, V4, P337, DOI 10.1007/BF01178784
[8]   VAPOR-LIQUID-EQUILIBRIA OF MIXTURES OF PROPANE AND ISOMERIC HEXANES [J].
CHUN, SW ;
KAY, WB ;
RAINWATER, JC .
JOURNAL OF CHEMICAL AND ENGINEERING DATA, 1993, 38 (04) :494-501
[9]   LEUNG-GRIFFITHS EQUATION OF STATE FOR SYSTEM CO2-C2H4 NEAR LIQUID-VAPOR CRITICAL LINE [J].
DARRIGO, G ;
MISTURA, L ;
TARTAGLIA, P .
PHYSICAL REVIEW A, 1975, 12 (06) :2587-2593
[10]   CRITICAL POINTS IN MULTICOMPONENT SYSTEMS [J].
GRIFFITH.RB ;
WHEELER, JC .
PHYSICAL REVIEW A-GENERAL PHYSICS, 1970, 2 (03) :1047-&