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Transition to Chaos of Buoyant-Thermocapillary Convection in Large-Scale Liquid Bridges
Wang J(王佳)1; Duan L(段俐)1,2; Kang Q(康琦)1,2
Source PublicationMICROGRAVITY SCIENCE AND TECHNOLOGY
2020-04-01
Volume32Issue:2Pages:217-227
ISSN0938-0108
AbstractTo cooperate with the Chinese TG-2 space experiment project, the transition routes to chaos of buoyant-thermocapillary convection were experimentally researched in large-scale liquid bridge of 2cSt silicone oil with 20 mm in diameter. A Nanovoltmeter with high resolution was adopted to measure the dynamical temperature oscillations, as well as to detect the convective transitional behaviors which were nonlinear and non-stationary. The existence of the quasi-periodic route and the Feigenbaum route has been confirmed in large-scale LBs, and a novel periodic oscillation state was discussed in detail for the first time. The chaotic characteristics were verified by analyzing the maximum Lyapunov exponent and correlation dimension on the basis of a phase-space reconstruction. Additionally, it was found that bifurcation could potentially lead to the reconstruction of flow fields.
KeywordThermocapillary convection Large-scale liquid bridge Transition route Temperature oscillation Chaotic dynamic analysis
DOI10.1007/s12217-019-09770-2
Indexed BySCI ; EI
Language英语
WOS IDWOS:000527687600010
WOS KeywordSURFACE OSCILLATION ; FLOW ; INSTABILITY ; APERIODICITY ; ATTRACTORS ; STABILITY ; ROUTE
WOS Research AreaEngineering ; Thermodynamics ; Mechanics
WOS SubjectEngineering, Aerospace ; Thermodynamics ; Mechanics
Classification二类
Ranking1
ContributorDuan, Li ; Kang, Qi
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/84792
Collection国家微重力实验室
Affiliation1.Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China;
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang J,Duan L,Kang Q. Transition to Chaos of Buoyant-Thermocapillary Convection in Large-Scale Liquid Bridges[J]. MICROGRAVITY SCIENCE AND TECHNOLOGY,2020,32(2):217-227.
APA 王佳,段俐,&康琦.(2020).Transition to Chaos of Buoyant-Thermocapillary Convection in Large-Scale Liquid Bridges.MICROGRAVITY SCIENCE AND TECHNOLOGY,32(2),217-227.
MLA 王佳,et al."Transition to Chaos of Buoyant-Thermocapillary Convection in Large-Scale Liquid Bridges".MICROGRAVITY SCIENCE AND TECHNOLOGY 32.2(2020):217-227.
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