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Characteristics of surface oscillation in thermocapillary convection
Zhu P(朱鹏); Zhou B(周彬); Duan L(段俐); Kang Q(康琦); Kang, Q (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100864, Peoples R China
Source PublicationExperimental Thermal and Fluid Science
AbstractThe characteristics of surface oscillation in a rectangular pool of silicone oil have been investigated experimentally. The horizontal cross-section of the pool is 52 mm x 36 mm, and the depth of the silicone oil layer is in the range of 1.1-4.8 mm. The applied temperature difference between the two sidewalls leads to shear flow along the free surface from hot to cold and a back flow in the underlying layer. With the increase of the temperature difference, the original steady flow will become unstable to unsteady flow. A CCD laser displacement-sensor with high resolution is used to measure the position of the liquid surface dynamically. And the Hilbert-Huang transform is chosen to analyze the experiment data which is nonlinear and non-stationary. The characteristics of surface oscillation have been obtained. And the relationship of the characteristics with the temperature difference and liquid layer depth has been discussed in details. (C) 2011 Elsevier Inc. All rights reserved.
KeywordSurface Oscillation Thermocapillary Convection Hilbert-huang Transform Onset Point Liquid Layers Instabilities Wave
Subject AreaThermodynamics ; Engineering ; Physics
Indexed BySCI ; EI
WOS IDWOS:000297089400024
WOS Research AreaThermodynamics ; Engineering ; Physics
WOS SubjectThermodynamics ; Engineering, Mechanical ; Physics, Fluids & Plasmas
Funding OrganizationThis work was supported by the National Nature Science Foundation of China (10972224 and 11032011) and Knowledge Innovation Program of Chinese Academy of Sciences (KJCX2-YW-L08).
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorKang, Q (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100864, Peoples R China
Recommended Citation
GB/T 7714
Zhu P,Zhou B,Duan L,et al. Characteristics of surface oscillation in thermocapillary convection[J]. Experimental Thermal and Fluid Science,2011,35(7):1444-1450.
APA 朱鹏,周彬,段俐,康琦,&Kang, Q .(2011).Characteristics of surface oscillation in thermocapillary convection.Experimental Thermal and Fluid Science,35(7),1444-1450.
MLA 朱鹏,et al."Characteristics of surface oscillation in thermocapillary convection".Experimental Thermal and Fluid Science 35.7(2011):1444-1450.
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