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Thermocapillary instabilities of liquid layers on an inclined plane
Yan CY; Hu KX(胡开鑫); Chen QS(陈启生)
2018-08-01
发表期刊PHYSICS OF FLUIDS
卷号30期号:8页码:82101
ISSN1070-6631
摘要The thermocapillary instabilities of the liquid layers on an inclined plane with zero heat flux are examined by linear stability analysis. There is an angle between the gravity and the thermocapillary force. The basic flow depends on the ratio of the gravity effect to thermocapillary effect. When the ratio is positive, the gravity always increases the velocity and destabilizes the flow. When the ratio is negative, the influence of gravity on the flow stability depends on the Prandtl (Pr) number. At high and moderate Pr, the critical Marangoni number always decreases with the ratio. The vertical convection is the key to the instability mechanism at high Pr, while the horizontal convection is dominant at moderate Pr. By contrast, at small Pr, the critical Marangoni number has a maximum and the energy from the basic flow is important for the perturbation energy. Published by AIP Publishing.
DOI10.1063/1.5039149
URL查看原文
收录类别SCI ; EI
语种英语
WOS记录号WOS:000443892400013
关键词[WOS]CAVITY FLOWS SUBJECT ; NEUTRAL STABILITY ; BUOYANT FORCES ; SURFACE-WAVE ; DISTURBANCES ; CONVECTION ; GRAVITY ; POOL
WOS研究方向Mechanics ; Physics, Fluids & Plasmas
WOS类目Mechanics ; Physics
项目资助者satellite science research of space science of the National Natural Science Foundation of China ; Chinese Academy of Sciences [U1738119] ; National Natural Science Foundation of China [11402271, 11532015] ; K. C. Wong Magna Fund in Ningbo University
论文分区一类/力学重要期刊
力学所作者排名2
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77838
专题国家微重力实验室
作者单位1.[Yan, Chen-Yi
2.Ningbo Univ, Sch Mech Engn & Mech, Ningbo 315211, Zhejiang, Peoples R China
3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China
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Yan CY,Hu KX,Chen QS. Thermocapillary instabilities of liquid layers on an inclined plane[J]. PHYSICS OF FLUIDS,2018,30(8):82101.
APA Yan CY,胡开鑫,&陈启生.(2018).Thermocapillary instabilities of liquid layers on an inclined plane.PHYSICS OF FLUIDS,30(8),82101.
MLA Yan CY,et al."Thermocapillary instabilities of liquid layers on an inclined plane".PHYSICS OF FLUIDS 30.8(2018):82101.
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