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极性流体的微扰理论研究
引用本文:吴建中,陆九芳,李以圭.极性流体的微扰理论研究[J].清华大学学报(自然科学版),1995(3).
作者姓名:吴建中  陆九芳  李以圭
作者单位:清华大学化学工程系
摘    要:建立了一个用以计算极性流体热力学性质的微扰理论模型。模型中考虑了粒子间硬球排斥、色散、静电和诱导等相互作用能,由同时拟合饱和蒸汽压和液相密度获得分子微观参数。对几种常见的极性流体的计算结果表明,这一模型具有比较简单、准确、参数的物理意义明确等优点。

关 键 词:极性流体  微扰理论  蒸汽压  液体密度

Study on perturbation theory for polar fluids
Wu Jianzhong,Lu Jiufang, Li Yigui.Study on perturbation theory for polar fluids[J].Journal of Tsinghua University(Science and Technology),1995(3).
Authors:Wu Jianzhong  Lu Jiufang  Li Yigui
Abstract:perturbation model is developed for calculation of thermodynamic properties ofthe polar fluids. The hard sphere repulsive force, dispersion, induction and electrostaticinteractions are taken into account. The molecular parameters are obtained by fitting theexperimental vapor pressure and liquid density data simultaneously. The calculated resultsfor eight polar fluids show that our model is rather simple and accurate, and the parametersin this model are defined with physical significance.
Keywords:polar fluid  perturbation theory  vapor pressure  liquid density
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