EXTENDING WONG - SANDLER TYPE MIXING RULE TO GENERALIZED MULTIPARAMETER CUBIC EQUATIONS OF STATE

杨涛; 陈光进; 阎炜; 郭天民

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EXTENDING WONG - SANDLER TYPE MIXING RULE TO GENERALIZED MULTIPARAMETER CUBIC EQUATIONS OF STATE

更新时间：2025-12-16

- EXTENDING WONG - SANDLER TYPE MIXING RULE TO GENERALIZED MULTIPARAMETER CUBIC EQUATIONS OF STATE
- CIESC Journal Issue 3, (1997)
- 作者机构：
  
  石油大学油气藏流体高压相态及物性实验室,石油大学油气藏流体高压相态及物性实验室,石油大学油气藏流体高压相态及物性实验室,石油大学油气藏流体高压相态及物性实验室北京102200,北京102200,北京102200,北京,102200
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q015
- Online First：25 June 1997，
  
  Published：25 June 1997
- 稿件说明：
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杨涛, 陈光进, 阎炜, et al. EXTENDING WONG - SANDLER TYPE MIXING RULE TO GENERALIZED MULTIPARAMETER CUBIC EQUATIONS OF STATE[J]. CIESC Journal, 1997, (3).
DOI：

杨涛, 陈光进, 阎炜, et al. EXTENDING WONG - SANDLER TYPE MIXING RULE TO GENERALIZED MULTIPARAMETER CUBIC EQUATIONS OF STATE[J]. CIESC Journal, 1997, (3). DOI：

摘要

自70年代末期Huron和Vidal将过量Gibbs自由能模型引入状态方程的混合规则以来

状态方程新混合规则的研究引起了人们的高度重视并取得了重要成就

已成功地将状态方程推广到多种复杂体系的计算

其中近年来由Wong和Sandler等发展的Wong-San-dler（WS）混合规则模型受到了广泛的关注。他们工作的意义在于可以使用由低压汽液平衡数据得到的活度系数模型参数及二元交互作用参数直接推算高压汽液平衡。但该模型的导出仅限于两参数的立方型状态方程

这样对于广泛应用WS型混合规则势必产生局限性

因此将此类型的混合规则推广到普遍化的立方型状态方程是十分必要的。本文报道了以五参数的Modified Kumar-Starling（MKS）立方型状态方程为工作方程

建立了将WS型混合规则推广到多参数立方型状态方程的途径。

Abstract

The original Wong - Sandier type mixing rule can only be used for two parameters cubic equation of state. By developing the excess Helmholtz free energy under a high pressure reference state and introducing suitable corresponding parameters which reflect mixing properties

Wong - Sandier type mixing rules were extended to generalized multiparameter cubic equations of state. In this work

the Modified Kumar- Starling cubic equation of state was chosen as a working equation. The method of introducing Wong - Sandier type mixing rule to generalized cubic equations of state is of great significance for extending the applications of Wong - Sandier type mixing rule where multiparameter cubic equations of state are used as working equations.

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