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Period-doubling bifurcations of the thermocapillary convection in a floating half zone
A Y(阿燕); Li K(李凯); Tang ZM(唐泽眉); Cao ZH; Hu WR(胡文瑞); Hu WR
2010
发表期刊Science China-Physics Mechanics & Astronomy
卷号53期号:9页码:1681-1686
ISSN1674-7348
摘要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].
DOI10.1007/s11433-010-4082-2
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收录类别SCI
语种英语
WOS记录号WOS:000280810000015
关键词[WOS]MARANGONI-CONVECTION ; DRIVEN FLOW ; TRANSITION ; TURBULENCE ; CHAOS ; STEADY ; ONSET
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
项目资助者Chinese Academy of Sciences [KJCX2-YW-L08]
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/43649
专题国家微重力实验室
通讯作者Hu WR
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GB/T 7714
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,2010,53(9):1681-1686.
APA 阿燕,李凯,唐泽眉,Cao ZH,胡文瑞,&Hu WR.(2010).Period-doubling bifurcations of the thermocapillary convection in a floating half zone.Science China-Physics Mechanics & Astronomy,53(9),1681-1686.
MLA 阿燕,et al."Period-doubling bifurcations of the thermocapillary convection in a floating half zone".Science China-Physics Mechanics & Astronomy 53.9(2010):1681-1686.
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