摘要
提出了一个估算纯物质液体粘度的新方程 -对应状态基团贡献方程 (CSGC -KL)。由回归 3 70种化合物在不同温度下的液体粘度的实验值得到了 89个基团对液体粘度的贡献参数 ,这些化合物包括烷烃、烯烃、环烷烃、芳烃、含氧化合物、含硫化合物、含氮化合物以及含卤素化合物。新方程对纯物质液体粘度的估算精度有明显的改善。
A new equation for estimating liquid viscosity of pure compounds for corresponding-state group-contribution method (CSGC) is presented. Group-contribution parameters of 89 groups were obtained by correlating experimental liquid viscosity at different temperature (a total of 1925 data points) of 370 compounds including various alkanes, alkenes, cyclohydrocarbons, aromatics and oxygenated hydrocarbons as well as compounds containing sulfur, nitrogen, and halogen. The new method demonstrates significant improvement in accuracy.
出处
《石油化工》
CAS
CSCD
北大核心
2002年第5期365-368,共4页
Petrochemical Technology
关键词
基团贡献法
对应状态
液体粘度
纯物质
估算
group-contribution method
corresponding-state
liquid viscosity
pure compound
estimation
