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| Antoine方程对含极微蒸气压范围的统一关联 | |
| 引用本文： | 陈军,马沛生,丁富新. Antoine方程对含极微蒸气压范围的统一关联[J]. 化学工程, 2001, 29(6): 46-48 |
| 作者姓名： | 陈军 马沛生 丁富新 |
| 作者单位： | 1. 清华大学化工系,北京 100084 2. 天津大学化工学院 3. 清华大学化工系 |
| 摘 要： | 提出一个统一的关联方法 ,将常压沸点附近的部分数据同极微压范围的实验点数据一起关联 ,以三常数的Antoine方程为重点 ,选用四常数的Riedel方程、Frost Kalkwarf Thodos方程、Miller方程以及经验性改进的Antoine方程作为参考方程 ,考察、分析了统一关联方法及其适用性 |
| 关 键 词： | 极微蒸气压 Antoine方程 蒸气压关联 |
United Correlation Method Covering Extremely Low Range of Vapour Pressure based on Antoine Equation |
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| Chen Jun,Ding Fuxin. United Correlation Method Covering Extremely Low Range of Vapour Pressure based on Antoine Equation[J]. Chemical Engineering, 2001, 29(6): 46-48 | |
| Authors: | Chen Jun Ding Fuxin |
| Abstract: | A united correlation method was proposed for correlating vapour pressure of pure substance with temperature.This method was mainly based on the three constant Antoine equation,with other four constant equations,including Riedel,Frost Kalkwarf Thodos,Miller and empirically modified Antoine equation,used as reference equations.By using this approach,the data of some alkanes and aromatic ester was correlated in wide range covering extremely low vapour pressure.The correlated results by Antoine equation indicate that the average deviations between the calculated and experimental value are about 3.5%～8.7%.The values of the three parameters in Antoine equation are presented for these substances. |
| Keywords: | extremely low vapour pressure Antoine equation correlation of vapour pressure |
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