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Effect of interfacial heat exchange on thermocapillary flow in a cylindrical liquid bridge in microgravity
Xun B(寻波); Li K(李凯); Hu WR(胡文瑞); Imaishi N; Li, K (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100190, Peoples R China
Source PublicationInternational Journal of Heat and Mass Transfer
2011
Volume54Issue:9-10Pages:1698-1705
ISSN0017-9310
AbstractThe effect of interfacial heat exchange on thermocapillary flow in a cylindrical liquid bridge of 1 cst silicone oil (with Prandtl number 16.0) with aspect ratio 1.8 in microgravity, was investigated in an extended range of Biot number. With both constant and linearly distributed ambient temperature, the computed results predict that the marginal stability curve for the thermocapillary flow exhibits a roughly convex trend. In the range of small Biot number, however, a sharp local maximum exists with a special oscillation mode of azimuthal wave number m = 0, in contrast to the other cases with m = 1. In addition, the normalized "thermal" energy balance between the basic state and the critical perturbation of the thermocapillary flow was investigated. Finally, the effect of the interfacial heat exchange on the thermocapillary flow in a liquid bridge of low Prandtl number fluid in microgravity was investigated as a comparison. (C) 2011 Elsevier Ltd. All rights reserved.
KeywordLiquid Bridge Interfacial Heat Exchange Thermocapillary Flow Critical Marangoni Number Oscillatory Marangoni-convection Prandtl Number Fluid Half-zone Floating Zone Stability Onset Instabilities Simulation
Subject AreaThermodynamics ; Engineering ; Mechanics
DOI10.1016/j.ijheatmasstransfer.2011.01.026
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000289011700002
WOS KeywordOSCILLATORY MARANGONI-CONVECTION ; PRANDTL NUMBER FLUID ; HALF-ZONE ; FLOATING ZONE ; STABILITY ; ONSET ; INSTABILITIES ; SIMULATION
WOS Research AreaThermodynamics ; Engineering ; Mechanics
WOS SubjectThermodynamics ; Engineering, Mechanical ; Mechanics
Funding OrganizationThis research is supported by the National Natural Science Foundation of China (Grant Nos. 11032011, 10872202) and the Knowledge Innovation Project of the Chinese Academy of Sciences (Grant No. KJCX2-YW-L08).
DepartmentNML空间流体行为和界面现象研究
Classification一类
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45092
Collection国家微重力实验室
Corresponding AuthorLi, K (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xun B,Li K,Hu WR,et al. Effect of interfacial heat exchange on thermocapillary flow in a cylindrical liquid bridge in microgravity[J]. International Journal of Heat and Mass Transfer,2011,54(9-10):1698-1705.
APA 寻波,李凯,胡文瑞,Imaishi N,&Li, K .(2011).Effect of interfacial heat exchange on thermocapillary flow in a cylindrical liquid bridge in microgravity.International Journal of Heat and Mass Transfer,54(9-10),1698-1705.
MLA 寻波,et al."Effect of interfacial heat exchange on thermocapillary flow in a cylindrical liquid bridge in microgravity".International Journal of Heat and Mass Transfer 54.9-10(2011):1698-1705.
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