CAS OpenIR
Mesoreginne-Oriented Investigation of Flow Regime Transition in Bubble Columns
Han, Chao1,2; Chen, Jianhua2
2019-08-07
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume58Issue:31Pages:14424-14435
AbstractThis work investigates regime transition in bubble columns through a mesoscale framework. The dominant mechanisms in bubble columns are analyzed according to the concept of mesoregime. Model predictions with the modified stability condition agree well with experimental data. It indicates a scenario of the regime transition. That is, the homogeneous regime is liquid dominated, which is characterized by the dominance of liquid over the movement of small bubbles, while the heterogeneous regime is gas-dominated, which is characterized by the dominance of large bubbles over the liquid movement. Consequently, the transition regime is a mesoregime depending on the principle of compromise in competition. The holdup profiles of the three regimes form an enclosed structure, which is corroborated by experiments in the literature. Moreover, the influence of superficial liquid velocities on the regime transition can be qualitatively captured by the model. Also, a GPU solver is developed to cope with the traversal optimizing procedure.
DOI10.1021/acs.iecr.9b01715
Language英语
WOS KeywordGAS-LIQUID ; SIZE DISTRIBUTIONS ; HETEROGENEOUS REGIME ; HYDRODYNAMICS HOLDUP ; STABILITY CONDITION ; 2-PHASE FLOW ; MODEL ; DESIGN ; SHAPES ; MULTISCALE
Funding ProjectState Key Laboratory of Multiphase Complex Systems[MPCS-2015-A-03] ; National Natural Science Foundation of China[91834303]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationState Key Laboratory of Multiphase Complex Systems ; National Natural Science Foundation of China
WOS IDWOS:000480496100059
PublisherAMER CHEMICAL SOC
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30641
Collection中国科学院过程工程研究所
Corresponding AuthorChen, Jianhua
Affiliation1.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Han, Chao,Chen, Jianhua. Mesoreginne-Oriented Investigation of Flow Regime Transition in Bubble Columns[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2019,58(31):14424-14435.
APA Han, Chao,&Chen, Jianhua.(2019).Mesoreginne-Oriented Investigation of Flow Regime Transition in Bubble Columns.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,58(31),14424-14435.
MLA Han, Chao,et al."Mesoreginne-Oriented Investigation of Flow Regime Transition in Bubble Columns".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 58.31(2019):14424-14435.
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