The Head-On Colliding Process Of Binary Liquid Droplets At Low Velocity: High-Speed Photography Experiments And Modeling

doi:10.1016/j.jcis.2008.07.002

IMECH-IR > 力学所知识产出(1956-2008)

	The Head-On Colliding Process Of Binary Liquid Droplets At Low Velocity: High-Speed Photography Experiments And Modeling
	Wang FC(王奉超); Feng JT(冯江涛); Zhao YP(赵亚溥); Zhao, YP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
发表期刊	Journal of Colloid And Interface Science
	2008
页码	196-200
ISSN	0021-9797
摘要	The experimental and theoretical studies are reported in this paper for the head-on collisions of a liquid droplet with another of the same fluid resting on a solid substrate. The droplet on the hydrophobic polydimethylsiloxane (PDMS) substrate remains in a shape of an approximately spherical segment and is isometric to an incoming droplet. The colliding process of the binary droplets was recorded with high-speed photography. Head-on collisions saw four different types of response in our experiments: complete rebound, coalescence, partial rebound With conglutination, and coalescence accompanied by conglutination. For a complete rebound, both droplets exhibited remarkable elasticity and the contact time of the two colliding droplets was found to be in the range of 10-20 ms. With both droplets approximately considered as elastic bodies, Hertz contact theory was introduced to estimate the contact time for the complete rebound case. The estimated result Was found to be on the same order of magnitude as the experimental data, which indicates that the present model is reasonable. (C) 2008 Elsevier Inc. All rights reserved.
关键词	Droplet Collision Rebound Coalescence Conglutination Contact Time Hertz Contact Theory Impacting Drop Solid-surface Single Drop Water Drops Collision Dynamics Pdms Coalescence Films
DOI	10.1016/j.jcis.2008.07.002
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000259051800028
关键词[WOS]	IMPACTING DROP ; SOLID-SURFACE ; SINGLE DROP ; WATER DROPS ; COLLISION ; DYNAMICS ; PDMS ; COALESCENCE ; FILMS
WOS研究方向	Chemistry
WOS类目	Chemistry, Physical
引用统计	被引频次：55[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/311007/25902
专题	力学所知识产出(1956-2008)
通讯作者	Zhao, YP (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
推荐引用方式 GB/T 7714	Wang FC,Feng JT,Zhao YP,et al. The Head-On Colliding Process Of Binary Liquid Droplets At Low Velocity: High-Speed Photography Experiments And Modeling[J]. Journal of Colloid And Interface Science,2008:196-200.
APA	王奉超,冯江涛,赵亚溥,&Zhao, YP .(2008).The Head-On Colliding Process Of Binary Liquid Droplets At Low Velocity: High-Speed Photography Experiments And Modeling.Journal of Colloid And Interface Science,196-200.
MLA	王奉超,et al."The Head-On Colliding Process Of Binary Liquid Droplets At Low Velocity: High-Speed Photography Experiments And Modeling".Journal of Colloid And Interface Science (2008):196-200.

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