| UNIFAC基团贡献法预测混合制冷剂的气液相平衡 |
| |
| 引用本文： | 吴献忠,崔晓钰,李美玲.UNIFAC基团贡献法预测混合制冷剂的气液相平衡[J].化工学报,2005,56(10):1832-1836. |
| |
| 作者姓名： | 吴献忠 崔晓钰 李美玲 |
| |
| 作者单位： | 上海冷气机厂，上海 200070;上海理工大学热工程研究所，上海 200093 |
| |
| 基金项目： | 上海市教委发展基金（03GK06）;上海市重点学科建设项目（T0503）. |
| |
| 摘 要： | 将UNIFAC基团贡献法成功地应用于HFCs混合制冷剂的气液相平衡热力学性质的预测.根据资料拟合得到了CH2、CF2、F三个主基团的相互作用参数, 用拟合的基团相互作用参数预测了新工质对R32/R227ea、R227ea/R134a和R152a/R227ea及三元混合制冷剂R32/R125/R134a的气液相平衡数据，并与实验进行了对比,两者基本吻合.本工作为今后HFCs混合制冷剂替代和制冷系统研究提供了极有推广价值的物性计算方法和数据,满足了新工质工程设计的要求.
|
| 关 键 词： | UNIFAC 基团贡献法 气液相平衡 混合制冷剂 新工质 |
| 文章编号： | 0438-1157（2005）10-1832-05 |
| 收稿时间： | 07 5 2004 12:00AM |
| 修稿时间： | 2004-07-052005-05-30 |
Estimation of refrigerant mixture phase equilibrium with UNIFAC model |
| |
| WU Xianzhong,CUI Xiaoyu,LI Meiling.Estimation of refrigerant mixture phase equilibrium with UNIFAC model[J].Journal of Chemical Industry and Engineering(China),2005,56(10):1832-1836. |
| |
| Authors: | WU Xianzhong CUI Xiaoyu LI Meiling |
| |
| Affiliation: | 1. Shanghai Refrigerating Machine Works, Shanghai 200070, China ; 2. Thermal Engineering Institute, University for Science and Technology of Shanghai, Shanghai 200093, China |
| |
| Abstract: | In this paper, the vapor-liquid phase equilibrium thermodynamic properties of HCFCs refrigerant mixtures were estimated by using the UNIFAC model of group contribution.According to experimental data in literature, the interaction coefficients of the three main groups were obtained by mathematical fitting. Based on the interaction coefficients, the vapor-liquid phase equilibrium properties of the new refrigerant mixtures R32/R227ea, R227ea/R134a , R152a/R227ea and the ternary refrigerant mixture R32/R125/R134a were obtained and agreed well with the experimental data.The paper’s work provides a generalized method to predict new HFCs refrigerant mixture.The result can meet the demand of engineering designs which use new refrigerant mixtures as working fluids. |
| |
| Keywords: | UNIFAC group contribution method vapor-liquid phase equilibrium refrigerant mixture new working fluid |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《化工学报》浏览原始摘要信息 |
|
点击此处可从《化工学报》下载全文 |
