Prediction of high pressure liquid heat capacities of organic compounds by a group contribution method

被引：13

作者：

Jovanovic, Jovan D. ^{[1
]}

Knezevic-Stevanovic, Andela B. ^{[2
]}

Grozdanic, Dusan K. ^{[1
]}

机构：

[1] Univ Belgrade, Dept Chem Engn, Fac Technol & Met, Belgrade 11000, Serbia

[2] Metro Vancouver, Burnaby, BC V5H 4G8, Canada

来源：

JOURNAL OF THE SERBIAN CHEMICAL SOCIETY | 2011年 / 76卷 / 03期

关键词：

high pressure heat capacity; prediction; group contribution; liquid; pure compound; JOULE-THOMSON COEFFICIENTS; GROUP ADDITIVITY; THERMOPHYSICAL PROPERTIES; CONSTANT-PRESSURE; THERMAL-CONDUCTIVITY; WORKING FLUID; 353.15; K; 30; MPA; TEMPERATURES; DENSITIES;

D O I：

10.2298/JSC100511031J

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new method for estimating high pressure liquid heat capacities based on molecular structure and group contribution is proposed. A common set of structural groups was employed. The method was developed using 67 sets of 43 organic compounds with 3449 experimental heat capacity data. A small number of measured compounds, data points per compound and other comparable methods were observed. This is a simple first-order approximation with acceptable accuracy of 2.55 %.

引用

页码：417 / 423

页数：7

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