在制冷剂+润滑剂、制冷剂+离子液体混合物和氢氟烯烃+天然制冷剂系统中的溶解度和混溶性间隙：UNIFAC参数化和溶剂化自由能计算

IF 3.5 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Refrigeration-revue Internationale Du Froid Pub Date : 2025-04-12 DOI:10.1016/j.ijrefrig.2025.04.007

Ali Aminian

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引用次数: 0

摘要

在248.15 K ~ 353.15 K的温度范围内，研究了天然制冷剂、低gwp合成f -气体以及与商业空气或热泵润滑油接触的混合物的相互溶解度和混相性。由于欧盟委员会的F-gas法规2024 （https://climate.ec.europa.eu）的限制，自然制冷剂和工业压缩机油受到了压力。根据现有实验数据，对POE油、HCFC、HFC、HFO、碳氢化合物、CO2和离子液体进行了UNIFAC参数化。此外，研究表明，本研究开发的UNIFAC参数可以很容易地应用于离子液体对制冷剂混合物的选择性分离。分子动力学（MD）模拟支持溶剂化自由能的选择性。

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Solubility and miscibility gap in refrigerants + lubricant, mixture of refrigerants + Ionic liquids, and hydrofluoroolefins + natural refrigerants systems: UNIFAC parameterization and solvation free energy calculations

Natural refrigerants, low-GWP synthetic F-gas and mixtures in contact with lubricating oils in commercial air or heat-pumps were selected to study mutual solubility and miscibility in the temperature range from 248.15 K to 353.15 K. Due to restriction from F-gas regulation 2024 of the European commission (https://climate.ec.europa.eu), stress was put on the natural refrigerants and an industrial compressor oil. UNIFAC parameterization based on available experimental data was performed for systems comprising POE oils, HCFC, HFC, HFO, hydrocarbon, CO₂, and ionic liquids. Also, it has been shown that the UNIFAC parameters developed in this study can readily be applied to the selective separation of refrigerant mixtures using Ionic Liquids. Molecular dynamics (MD) simulations of solvation free energy support the selectivity of ILs.

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来源期刊

International Journal of Refrigeration-revue Internationale Du Froid 工程技术-工程：机械

CiteScore

7.30

自引率

12.80%

发文量

363

审稿时长

3.7 months

期刊介绍： The International Journal of Refrigeration is published for the International Institute of Refrigeration (IIR) by Elsevier. It is essential reading for all those wishing to keep abreast of research and industrial news in refrigeration, air conditioning and associated fields. This is particularly important in these times of rapid introduction of alternative refrigerants and the emergence of new technology. The journal has published special issues on alternative refrigerants and novel topics in the field of boiling, condensation, heat pumps, food refrigeration, carbon dioxide, ammonia, hydrocarbons, magnetic refrigeration at room temperature, sorptive cooling, phase change materials and slurries, ejector technology, compressors, and solar cooling. As well as original research papers the International Journal of Refrigeration also includes review articles, papers presented at IIR conferences, short reports and letters describing preliminary results and experimental details, and letters to the Editor on recent areas of discussion and controversy. Other features include forthcoming events, conference reports and book reviews. Papers are published in either English or French with the IIR news section in both languages.