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Wavenumber Selection by Benard-Marangoni Convection at High Supercritical Number
Wu D(吴笛); Duan L(段俐); Kang Q(康琦)
Source PublicationCHINESE PHYSICS LETTERS
2017-05-01
Volume34Issue:5Pages:054702-01-054702-04
ISSN0256-307X
Abstract

Marangoni-Benard convection which is mainly driven by the thermocapillary (Marangoni) effect occurs in a thin liquid layer heated uniformly from the bottom. The wavenumber of supercritical convection is studied experimentally in a 160 x 160-mm(2) cavity that is heated from the bottom block. The convection pattern is visualized by an infrared thermography camera. It is shown that the onset of the Benard cell is consistent with theoretical analysis. The wavenumber decreases obviously with increasing temperature except for a slight increase near the onset. The wavenumber gradually approaches the minimum when the supercritical number.. is larger than 10. Finally a formula is devised to describe the wavenumber selection in supercritical convection.

DOI10.1088/0256-307X/34/5/054702
Indexed BySCI ; CSCD
Language英语
WOS IDWOS:000403269000020
WOS KeywordSurface-tension ; Fluid
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China(11502271 ; Strategic Priority Research Program on Space Science of the Chinese Academy of Sciences(XDA04020405 ; China Manned Space Engineering Program ; 11372328) ; XDA04020202-05)
CSCD IDCSCD:6006981
DepartmentNML微重力实验流体力学
Classification二类
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60513
Collection国家微重力实验室
Corresponding AuthorDuan L(段俐); Kang Q(康琦)
Recommended Citation
GB/T 7714
Wu D,Duan L,Kang Q. Wavenumber Selection by Benard-Marangoni Convection at High Supercritical Number[J]. CHINESE PHYSICS LETTERS,2017,34(5):054702-01-054702-04.
APA Wu D,Duan L,&Kang Q.(2017).Wavenumber Selection by Benard-Marangoni Convection at High Supercritical Number.CHINESE PHYSICS LETTERS,34(5),054702-01-054702-04.
MLA Wu D,et al."Wavenumber Selection by Benard-Marangoni Convection at High Supercritical Number".CHINESE PHYSICS LETTERS 34.5(2017):054702-01-054702-04.
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