| 利用正则配分函数计算实际流体的热力学性质及汽液平衡——(Ⅰ)纯流体的热力学性质 |
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| 引用本文： | 张常群,赵传钧,白守礼.利用正则配分函数计算实际流体的热力学性质及汽液平衡——(Ⅰ)纯流体的热力学性质[J].化工学报,1985,36(3):323-330. |
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| 作者姓名： | 张常群 赵传钧 白守礼 |
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| 作者单位： | 北京化工学院
,北京化工学院
,北京化工学院 |
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| 摘 要： | 通过修改普遍化van der Waals正则配分函数的引力项,发展了一个修正的状态方程式.将表征分子间引力参数α修正为不仅依赖于温度而且与密度有关.用新的状态方程式计算纯气体、饱和蒸汽与饱和液体的压力与逸度系数的结果与实验结果符合较好.
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Calculation of Thermodynamic Properties of RealFluids and Vapor-Liquid Equilibria byUsing a Canonical Partition Function( I ) Thermodynamic Properties of Pure Fluids |
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| Zhang Changqun,Zhan Chuanjun and Bai Shouli.Calculation of Thermodynamic Properties of RealFluids and Vapor-Liquid Equilibria byUsing a Canonical Partition Function( I ) Thermodynamic Properties of Pure Fluids[J].Journal of Chemical Industry and Engineering(China),1985,36(3):323-330. |
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| Authors: | Zhang Changqun Zhan Chuanjun and Bai Shouli |
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| Affiliation: | Zhang Changqun,Zhan Chuanjun and Bai Shouli
(Beijing Institute of Chemical Technology) |
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| Abstract: | The Anderson-Prausnitz equation of state has been improved by modifying the attractive term of the generalized van der Waals canonical partition function.
In this modification, the parameter characterizing the intermolecular attractive forces is considered to depend not only on temperature but also on density. The calculated results for pressure and fugacity of pure gases, and for saturated vapors and saturated liquids, by using this new equation of state are in good agreement with observed results.
Extension to mixtures and multicomponent vapor-liquid equilibria will be presents in Part 2. |
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