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Experimental study on hydrodynamics of ionic liquids systems in falling film evaporator
Wang, Junnan1,2; Hu, Zongyuan1,3; Dong, Haifeng1,4; Zeng, Shaojuan1; Bai, Lu1; Zhang, Xiangping1,3; Wang, Yufei2
2022
Source PublicationCHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION
ISSN0255-2701
Volume170Pages:9
AbstractIonic liquids (ILs) have been proved as novel excellent solvents in gas separation and so on. Due to its excellent heat and mass transfer performance, falling film evaporator is often used in the applications of high viscosity systems and has the potential to be the regeneration equipment for IL-based systems. However, there are few reports on the falling film evaporation of ILs system. The relevant experimental data are scarce. Moreover, the traditional models cannot predict the hydrodynamics of ILs well due to the specific properties of ILs. In this study, an experimental method for studying the ILs falling film flow was established. The falling film hydrodynamics of three ILs (BmimBF4, BmimPF6, OmimBF4), including film flow pattern and film thickness were investigated. The effects of streamwise flow distance and the physical property of ILs on the hydrodynamics were analyzed. A calculation model and a dimensionless empirical model of ILs film thickness were established based on experimental data. The average relative deviation of new dimensionless model is 2.83%, which is much lower than that of Nusselt model (13.48%). The measurement of key parameters and the establishment of models provide experiment data and basis for designing the falling film evaporator of IL-based systems.
KeywordIonic liquids Falling film flow behaviors Film thickness Film flow pattern
DOI10.1016/j.cep.2021.108701
Language英语
WOS KeywordMEASURING INTERFACIAL WAVES ; FLOW REGIMES ; WATER ; WALL ; BEHAVIOR ; SIMULATION ; THICKNESS ; CAPTURE
Funding ProjectNational Key R&D Program of China[2020YFA0710200] ; Science Fund for Creative Research Groups of the National Natural Science Foundation of China[21921005] ; National Natural Science Foundation of China[21776277] ; National Natural Science Foundation of China[21838010] ; National Natural Science Foundation of China[21890764] ; CAS Key Technology Talent Program ; Major Scientific and Technological Innovation Project of Shandong Province[2019JZZY010518]
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationNational Key R&D Program of China ; Science Fund for Creative Research Groups of the National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Key Technology Talent Program ; Major Scientific and Technological Innovation Project of Shandong Province
WOS IDWOS:000724952000002
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/51295
Collection中国科学院过程工程研究所
Corresponding AuthorDong, Haifeng
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
2.China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
3.Univ Chinese Acad Sci, Coll Chem & Engn, Beijing 100049, Peoples R China
4.Huizhou Inst Green Energy & Adv Mat, Adv Energy Sci & Technol Guangdong Lab, Huizhou 516003, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Wang, Junnan,Hu, Zongyuan,Dong, Haifeng,et al. Experimental study on hydrodynamics of ionic liquids systems in falling film evaporator[J]. CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION,2022,170:9.
APA Wang, Junnan.,Hu, Zongyuan.,Dong, Haifeng.,Zeng, Shaojuan.,Bai, Lu.,...&Wang, Yufei.(2022).Experimental study on hydrodynamics of ionic liquids systems in falling film evaporator.CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION,170,9.
MLA Wang, Junnan,et al."Experimental study on hydrodynamics of ionic liquids systems in falling film evaporator".CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION 170(2022):9.
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