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A Linear Stability Analysis Of Large-Prandtl-Number Thermocapillary Liquid Bridges
Xun B(寻波); Chen PG; Li K(李凯); Yin ZH(尹兆华); Hu WR(胡文瑞); Xun, B (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Beijing 100080, Peoples R China.
Source PublicationAdvances In Space Research
2008
Pages2094-2100
ISSN0273-1177
AbstractA linear stability analysis is applied to determine the onset of oscillatory thermocapillary convection in cylindrical liquid bridges of large Prandtl numbers (4 <= Pr <= 50). We focus on the relationships between the critical Reynolds number Re-c, the azimuthal wave number m, the aspect ratio F and the Prandtl number Pr. A detailed Re-c-Pr stability diagram is given for liquid bridges with various Gamma. In the region of Pr > 1, which has been less studied previously and where Re, has been usually believed to decrease with the increase of Pr, we found Re-c exhibits an early increase for liquid bridges with Gamma around one. From the computed surface temperature gradient, it is concluded that the boundary layers developed at both solid ends of liquid bridges strengthen the stability of basic axisymmetric thermocapillary convection at large Prandtl number, and that the stability property of the basic flow is determined by the "effective" part of liquid bridge. (c) 2008 Published by Elsevier Ltd on behalf of COSPAR.
KeywordLiquid Bridge Instability Thermocapillary Convection Critical Reynolds Number Boundary Layer Crystal-growth Process Oscillatory Marangoni-convection Floating-zone Convection Half-zone Energy Stability Instability Gravity Surface Steady Volume
DOI10.1016/j.asr.2007.07.016
Indexed BySCI ; EI
Language英语
WOS IDWOS:000256719700025
WOS KeywordCRYSTAL-GROWTH PROCESS ; OSCILLATORY MARANGONI-CONVECTION ; FLOATING-ZONE CONVECTION ; HALF-ZONE ; ENERGY STABILITY ; INSTABILITY ; GRAVITY ; SURFACE ; STEADY ; VOLUME
WOS Research AreaAstronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
WOS SubjectAstronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/26012
Collection力学所知识产出(1956-2008)
Corresponding AuthorXun, B (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Xun B,Chen PG,Li K,et al. A Linear Stability Analysis Of Large-Prandtl-Number Thermocapillary Liquid Bridges[J]. Advances In Space Research,2008:2094-2100.
APA 寻波,Chen PG,李凯,尹兆华,胡文瑞,&Xun, B .(2008).A Linear Stability Analysis Of Large-Prandtl-Number Thermocapillary Liquid Bridges.Advances In Space Research,2094-2100.
MLA 寻波,et al."A Linear Stability Analysis Of Large-Prandtl-Number Thermocapillary Liquid Bridges".Advances In Space Research (2008):2094-2100.
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