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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)
Source PublicationPHYSICS OF FLUIDS
2018-08-01
Volume30Issue:8Pages:82101
ISSN1070-6631
AbstractThe 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
Indexed BySCI ; EI
Language英语
WOS IDWOS:000443892400013
WOS KeywordCAVITY FLOWS SUBJECT ; NEUTRAL STABILITY ; BUOYANT FORCES ; SURFACE-WAVE ; DISTURBANCES ; CONVECTION ; GRAVITY ; POOL
WOS Research AreaMechanics ; Physics, Fluids & Plasmas
WOS SubjectMechanics ; Physics
Funding Organizationsatellite 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
Classification一类/力学重要期刊
Ranking2
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77838
Collection国家微重力实验室
Affiliation1.[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
Recommended Citation
GB/T 7714
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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