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Rayleigh-Marangoni-Benard Instability in Two-Layer Fluid System | |
Zhou BH(周炳红); Liu QS(刘秋生); Tang ZM(唐泽眉); Zhau, BH (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Beijing 100080, Peoples R China. | |
发表期刊 | Acta Mechanica Sinica |
2004 | |
卷号 | 24期号:4页码:366-373 |
ISSN | 0567-7718 |
摘要 | Rayleigh-Marangoni-Benard instability in a system of two-layer fluids is studied numerically. The convective instabilities in the system of Silicon Oil (10cSt) and Fluorinert (FC70) liquids have been analyzed. The critical parameters at onset of convection are presented in a large range of two-layer depth ratios from 0.2 to 5.0. Numerical results show that the instability of the two-layer system depends strongly on its depth ratio. When the depth ratio increases, the instability mode changes from mechanical coupling to thermal coupling. Between these two typical coupling modes, a time-dependent oscillation is detected. Nevertheless, traveling wave states are found in the case of oscillatory instability. The oscillation mode results from the competition between Rayleigh instability and Marangoni effect. |
学科领域 | 力学 |
收录类别 | SCI ; EI ; CSCD |
语种 | 英语 |
WOS记录号 | WOS:000223688000006 |
关键词[WOS] | THERMOCAPILLARY INSTABILITIES ; CONVECTION ; LAYERS |
WOS研究方向 | Engineering ; Mechanics |
WOS类目 | Engineering, Mechanical ; Mechanics |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/15698 |
专题 | 力学所知识产出(1956-2008) |
通讯作者 | Zhau, BH (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Beijing 100080, Peoples R China. |
推荐引用方式 GB/T 7714 | Zhou BH,Liu QS,Tang ZM,et al. Rayleigh-Marangoni-Benard Instability in Two-Layer Fluid System[J]. Acta Mechanica Sinica,2004,24,4,:366-373. |
APA | 周炳红,刘秋生,唐泽眉,&Zhau, BH .(2004).Rayleigh-Marangoni-Benard Instability in Two-Layer Fluid System.Acta Mechanica Sinica,24(4),366-373. |
MLA | 周炳红,et al."Rayleigh-Marangoni-Benard Instability in Two-Layer Fluid System".Acta Mechanica Sinica 24.4(2004):366-373. |
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