Transition to chaos in thermocapillary convection

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	Transition to chaos in thermocapillary convection
	Zhu P(朱鹏); Duan L(段俐); Kang Q(康琦); Kang, Q (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China.
发表期刊	INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
	2013-02
卷号	57 期号:2 页码:457-464
ISSN	0017-9310
摘要	We present experiments on transition to chaos in thermocapillary convection in a rectangular pool of silicone oil. The applied temperature difference between the two sidewalls is adjusted in the range of 0-43 degrees C to observe various dynamic states. The applied temperature gradient along the fluid-gas interface drives shear flow along the free surface from hot to cold and a back flow in the underlying layer. With the increase of the temperature gradient, the thermocapillary convection will transit from steady flow to regularly oscillatory flow, and finally to chaos. A temperature measurement system, which consists of thermocouple, voltmeter and data-acquiring computer, is used to record the temperature of the liquid dynamically. In order to identify the different dynamic regimes from steady flow to chaos, fast Fourier transform and fractal theory are used to analyze the experimental data. The critical conditions for transition have been obtained and discussed by non-dimensional analysis. The quasi-periodic route and Feigenbaum route were observed for different experimental conditions, and the relationship between oscillatory frequency and Marangoni number Ma has been discussed.
关键词	Thermocapillary Convection Transition To Chaos Critical Condition Transition Route
学科领域	流体力学
URL	查看原文
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000313850100003
项目资助者	National Nature Science Foundation of China [10972224, 11032011]; Knowledge Innovation Program of Chinese Academy of Sciences [KJCX2-YW-L08]
课题组名称	NML微重力实验流体力学
论文分区	一类
引用统计	被引频次：36[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/47015
专题	微重力重点实验室
通讯作者	Kang, Q (reprint author), Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China.
推荐引用方式 GB/T 7714	Zhu P,Duan L,Kang Q,et al. Transition to chaos in thermocapillary convection[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,2013,57,2,:457-464.
APA	Zhu P,Duan L,Kang Q,&Kang, Q .(2013).Transition to chaos in thermocapillary convection.INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,57(2),457-464.
MLA	Zhu P,et al."Transition to chaos in thermocapillary convection".INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 57.2(2013):457-464.

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