CAS OpenIR
Hydrodynamics of gas phase under typical industrial gassing rates in a gas-liquid stirred tank using intrusive image-based method
Xiao, Yiting1,2; Li, Xiangyang1; Ren, Shilong1,2; Mao, Zai-Sha1; Yang, Chao1,2,3
2020-12-14
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume227Pages:14
AbstractThe intrusive image-based method is used to probe local gas hydrodynamics, bubble size (BSD) and holdup distributions (BHD) in a gas-liquid stirred tank reactor (STR). A distinctive scheme combining automatic and manual processes is implemented to identify the object bubbles in the images. This method shows more accurate for judging the flow regime in gas-liquid STRs. Because of high intensity turbulence therein, the instantaneous local gas-liquid flow may present several very different patterns though the time-averaged bulk flow is homogeneous. More small bubbles are detected because of high resolution of the instrument, and consequently d(32) obtained is smaller than those by other methods. The BSD and BHD at moderate gassing rates are reported and found closer to the physical reality. The measurements are of significance to understanding the fluid mechanics and provide benchmark data for the validation of the mathematical models in the gas-liquid STRs operating at industrial conditions. (C) 2020 Elsevier Ltd. All rights reserved.
KeywordIntrusive image-based method Gas-liquid stirred tank Local hydrodynamics of gas phase Bubble size distribution Bubble holdup distribution
DOI10.1016/j.ces.2020.115923
Language英语
WOS KeywordBUBBLE-SIZE DISTRIBUTIONS ; SCALE-UP ; LOCAL GAS ; HOLD-UP ; VESSEL ; FLOW ; ELECTROLYTE ; DISPERSION ; TURBINE ; FIELD
Funding ProjectNational Key Research and Development Program[2016YFB0301701] ; National Natural Science Foundation of China[21878297] ; National Natural Science Foundation of China[21938009] ; National Natural Science Foundation of China[21961160745] ; Key Research Program of Frontier Sciences, CAS[QYZDJ-SSW-JSC030] ; External Cooperation Program of BIC, Chinese Academy of Sciences[122111KYSB20190032] ; DNL Cooperation Fund, CAS[DNL201902]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Key Research and Development Program ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences, CAS ; External Cooperation Program of BIC, Chinese Academy of Sciences ; DNL Cooperation Fund, CAS
WOS IDWOS:000573579500008
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/42290
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Xiangyang; Yang, Chao
Affiliation1.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Yiting,Li, Xiangyang,Ren, Shilong,et al. Hydrodynamics of gas phase under typical industrial gassing rates in a gas-liquid stirred tank using intrusive image-based method[J]. CHEMICAL ENGINEERING SCIENCE,2020,227:14.
APA Xiao, Yiting,Li, Xiangyang,Ren, Shilong,Mao, Zai-Sha,&Yang, Chao.(2020).Hydrodynamics of gas phase under typical industrial gassing rates in a gas-liquid stirred tank using intrusive image-based method.CHEMICAL ENGINEERING SCIENCE,227,14.
MLA Xiao, Yiting,et al."Hydrodynamics of gas phase under typical industrial gassing rates in a gas-liquid stirred tank using intrusive image-based method".CHEMICAL ENGINEERING SCIENCE 227(2020):14.
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