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Instabilities of thermocapillary-buoyancy convection in open rectangular liquid layers
Jiang H(姜欢); Duan L(段俐); Kang Q(康琦); Duan, L; Kang, Q (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China.; Kang, Q (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
2017-11-01
发表期刊CHINESE PHYSICS B
卷号26期号:11
ISSN1674-1056
摘要This article presents the experimental investigation on instabilities of thermocapillary- buoyancy convection in the transition process in an open rectangular liquid layer subject to a horizontal temperature gradient. In the experimental run, an infrared thermal imaging system was constructed to observe and record the surface wave of the rectangular liquid layer. It was found that there are distinct convection longitudinal rolls in the flow field in the thermocapillary- buoyancy convection transition process. There are different wave characterizations for liquid layers with different thicknesses. For sufficiently thin layers, oblique hydrothermal waves are observed, which was predicted by the linear-stability analysis of Smith & Davis in 1983. For thicker layers, the surface flow is distinct and intensified, which is because the buoyancy convection plays a dominant role and bulk fluid flow from hot wall to cold wall in the free surface of liquid layers. In addition, the spatiotemporal evolution analysis has been carried out to conclude the rule of the temperature field destabilization in the transition process.
关键词Thermocapillary-buoyancy Convection Instability Open Rectangular Liquid Layer Spatiotemporal Evolution
DOI10.1088/1674-1056/26/11/114703
收录类别SCI ; EI
语种英语
WOS记录号WOS:000415073400003
关键词[WOS]HYDROTHERMAL WAVES ; MARANGONI CONVECTION ; SURFACE
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
项目资助者Strategic Priority Research Program on Space Science, Chinese Academy of Sciences: SJ-10 Recoverable Scientific Experiment Satellite(XDA04020405 ; China Manned Space Engineering program (TG-2), Cooperative Research Project between China and Russia ; National Natural Science Foundation of China(11372328) ; XDA04020202-05)
课题组名称NML微重力实验流体力学
论文分区Q3
力学所作者排名1
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/71929
专题国家微重力实验室
通讯作者Duan, L; Kang, Q (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China.; Kang, Q (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
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GB/T 7714
Jiang H,Duan L,Kang Q,et al. Instabilities of thermocapillary-buoyancy convection in open rectangular liquid layers[J]. CHINESE PHYSICS B,2017,26(11).
APA 姜欢,段俐,康琦,Duan, L,Kang, Q ,&Kang, Q .(2017).Instabilities of thermocapillary-buoyancy convection in open rectangular liquid layers.CHINESE PHYSICS B,26(11).
MLA 姜欢,et al."Instabilities of thermocapillary-buoyancy convection in open rectangular liquid layers".CHINESE PHYSICS B 26.11(2017).
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