IMECH-IR  > 非线性力学国家重点实验室
EXPERIMENTAL AND THEORETICAL STUDY OF BINARY DROPLET HEAD-ON COLLISIONS IN MEMS
Zhao YP(赵亚溥); Wang FC(王奉超); Feng JT(冯江涛); Zhao YP
Source PublicationProceedings Of The 9Th Biennial Conference On Engineering Systems Design And Analysis - 2008, Vol 2
2009
Pages805-807
Conference Name9th Biennial Conference on Engineering Systems Design and Analysis
Conference DateJUL 07-09, 2008
Conference PlaceHaifa, ISRAEL
AbstractThe experimental and theoretical investigations into the head-on collision between a landing droplet with another one resting on the PDMS substrate were addressed in this talk. The colliding process of the two droplets was recorded with highspeed camera. Four different responses after collision were observed in our experiments: complete rebound, coalescence, partial rebound with conglutination, and coalescence accompanied by conglutination. The contact time between the two colliding droplets was found to be in the range of 10-20 milliseconds. For the complete bouncing case, Hertz contact model was applied to estimate the contact time of the binary head-on colliding droplets with both the droplets considered as elastic bodies. The estimated contact time was in good agreement with the experimental result.
KeywordDroplet Collision Rebound Coalescence Conglutination Contact Time Hertz Contact Theory Pdms
WOS IDWOS:000263619300100
Indexed ByCPCI-S
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/25370
Collection非线性力学国家重点实验室
Corresponding AuthorZhao YP
Recommended Citation
GB/T 7714
Zhao YP,Wang FC,Feng JT,et al. EXPERIMENTAL AND THEORETICAL STUDY OF BINARY DROPLET HEAD-ON COLLISIONS IN MEMS[C]Proceedings Of The 9Th Biennial Conference On Engineering Systems Design And Analysis - 2008, Vol 2,2009:805-807.
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