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A new FCCS-CFD coupled method for understanding the influence of molecular structure of ionic liquid on bubble behaviors
Bao, Di1,2; Zhang, Xiangping1,2; Dong, Haifeng1; Zeng, Shaojuan1; Shang, Dawei1; Zhang, Suojiang1
2018-03-01
发表期刊CHEMICAL ENGINEERING AND PROCESSING
ISSN0255-2701
卷号125页码:266-274
摘要The complex interaction between cations and anions as well as the molecular structure makes the ionic liquids (ILs) different from organic solutions. Thus, the conventional hydrodynamic models, which are suitable for water and organic solutions, are not able to predict bubble behaviors in ILs accurately. In this work, a new FCCS (Fragment Contribution Corresponding State)-CFD(CFD) coupled method is proposed, so that the influence of molecular structure of ILs can be revealed. A source term which represents the electrostatic interaction between cations and anions of ILs is introduced into the momentum equation, which makes the model reflect strictly the inner feature of ionic liquids. The simulation results show that the relative error of aspect ratio is only 0.06%, much lower than 3.73% which is calculated by the conventional method, indicating the new method is more accurate. Furthermore, the bubble behaviors, i.e. the bubble shape and velocity, in 30 ILs are simulated. As a result, the relationship between molecular structures of ILs and bubble behaviors, as well as the bubble flow regime is obtained.
关键词Fragment Contribution Corresponding State (Fccs) Computational Fluid Dynamics (Cfd) Ionic Liquids (Ils) Bubble Behavior Gas-liquid Interface
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cep.2018.02.012
收录类别SCI
语种英语
关键词[WOS]CORRESPONDING-STATES ; NUMERICAL-SIMULATION ; SURFACE-TENSION ; TRANSPORT-PROPERTIES ; CARBON CAPTURE ; SINGLE-BUBBLE ; RISE VELOCITY ; MASS-TRANSFER ; SYSTEMS ; GAS
WOS研究方向Energy & Fuels ; Engineering
WOS类目Energy & Fuels ; Engineering, Chemical
项目资助者National Key Projects for Fundamental Research and Development of China(2016YFB0600903) ; National Natural Science Fund for Distinguished Young Scholars(21425625) ; National Natural Science Foundation of China(U1662122 ; Instrument Developing Project of the Chinese Academy of Sciences(YZ201567) ; 21676271)
WOS记录号WOS:000429890900028
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24135
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Key Lab Green Proc & Engn, State Key Lab Muhiphase Complex Syst,Inst Proc En, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Coll Chem & Chem Engn, Beijing 100049, Peoples R China
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Bao, Di,Zhang, Xiangping,Dong, Haifeng,et al. A new FCCS-CFD coupled method for understanding the influence of molecular structure of ionic liquid on bubble behaviors[J]. CHEMICAL ENGINEERING AND PROCESSING,2018,125:266-274.
APA Bao, Di,Zhang, Xiangping,Dong, Haifeng,Zeng, Shaojuan,Shang, Dawei,&Zhang, Suojiang.(2018).A new FCCS-CFD coupled method for understanding the influence of molecular structure of ionic liquid on bubble behaviors.CHEMICAL ENGINEERING AND PROCESSING,125,266-274.
MLA Bao, Di,et al."A new FCCS-CFD coupled method for understanding the influence of molecular structure of ionic liquid on bubble behaviors".CHEMICAL ENGINEERING AND PROCESSING 125(2018):266-274.
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