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Title:
Period-doubling bifurcations of the thermocapillary convection in a floating half zone
Author: A Y(阿燕); Li K(李凯); Tang ZM(唐泽眉); Cao ZH; Hu WR(胡文瑞)
Source: Science China-Physics Mechanics & Astronomy
Issued Date: 2010
Volume: 53, Issue:9, Pages:1681-1686
Abstract: This study experimentally explored the fine structures of the successive period-doubling bifurcations of the time-dependent thermocapillary convection in a floating half zone of 10 cSt silicone oil with the diameter d (0)=3.00 mm and the aspect ratio A=l/d (0)=0.72 in terrestrial conditions. The onset of time-dependent thermocapillary convection predominated in this experimental configuration and its subsequent evolution were experimentally detected through the local temperature measurements. The experimental results revealed a sequence of period-doubling bifurcations of the time-dependent thermocapillary convection, similar in some way to one of the routes to chaos for buoyant natural convection. The critical frequencies and the corresponding fractal frequencies were extracted through the real-time analysis of the frequency spectra by Fast-Fourier-Transformation (FFT). The projections of the trajectory onto the reconstructed phase-space were also provided. Furthermore, the experimentally predicted Feigenbaum constants were quite close to the theoretical asymptotic value of 4.669 [Feigenbaum M J. Phys Lett A, 1979, 74: 375-378].
Language: 英语
Indexed Type: SCI
Corresponding Author: Hu WR
Correspondent Email: wrhu@imech.ac.cn
DOI: 10.1007/s11433-010-4082-2
Related URLs: 查看原文
DOC Type: Article
WOS Subject: Physics, Multidisciplinary
WOS Subject Extended: Physics
WOS Keyword Plus: MARANGONI-CONVECTION ; DRIVEN FLOW ; TRANSITION ; TURBULENCE ; CHAOS ; STEADY ; ONSET
WOS ID: WOS:000280810000015
ISSN: 1674-7348
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/43649
Appears in Collections:国家微重力实验室_期刊论文

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Recommended Citation:
A Y,Li K,Tang ZM,et al. Period-doubling bifurcations of the thermocapillary convection in a floating half zone[J]. Science China-Physics Mechanics & Astronomy,2010-01-01,53(9):1681-1686.
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