Thermocapillary instabilities of liquid layers on an inclined plane | |
Yan CY; Hu KX(胡开鑫); Chen QS(陈启生) | |
发表期刊 | PHYSICS OF FLUIDS |
2018-08-01 | |
卷号 | 30期号:8页码:82101 |
ISSN | 1070-6631 |
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. |
DOI | 10.1063/1.5039149 |
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 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/77838 |
专题 | 微重力重点实验室 |
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 |
推荐引用方式 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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