GROUP VECTOR SPACE METHOD(GVSM)FOR ESTIMATING CRITICAL PROPERTIES OF HYDROCARBONS

XU Wen; YANG Qiang

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GROUP VECTOR SPACE METHOD(GVSM)FOR ESTIMATING CRITICAL PROPERTIES OF HYDROCARBONS

更新时间：2025-12-10

- GROUP VECTOR SPACE METHOD(GVSM)FOR ESTIMATING CRITICAL PROPERTIES OF HYDROCARBONS
- CIESC Journal Issue 1, Pages: 112-114(2003)
- 作者机构：
  
  天津大学化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 January 2003，
  
  Published：25 January 2003
- 稿件说明：
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XU Wen, YANG Qiang. GROUP VECTOR SPACE METHOD(GVSM)FOR ESTIMATING CRITICAL PROPERTIES OF HYDROCARBONS[J]. CIESC Journal, 2003, (1): 112-114.
DOI：

XU Wen, YANG Qiang. GROUP VECTOR SPACE METHOD(GVSM)FOR ESTIMATING CRITICAL PROPERTIES OF HYDROCARBONS[J]. CIESC Journal, 2003, (1): 112-114. DOI：

摘要

Abstract

A space design for the molecule of hydrocarbon based on the traditional group division method is developed

and a group vector space method (GVSM) for estimating critical property of hydrocarbon is proposed by using the module index of the group vector to characterize the group position in the molecule. Expressions for estimating critical properties Tc

pc and Vc of hydrocarbons are proposed

with the numerical values of relative group parameters presented. The average percentage deviations of Tc

pc and Vc estimation are 0.62

2.3 and 1.6 respectively.

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