Marching velocity of capillary meniscuses in microchannels

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Title:	Marching velocity of capillary meniscuses in microchannels
Authors:	楊龍杰;Yang, Lung-jieh;Yao, Tze-Jung;Huang, Yu-lin;Xu, Yong;Tai, Yu-chong
Contributors:	淡江大學機械與機電工程學系
Date:	2002
Issue Date:	2010-04-15 10:33:12 (UTC+8)
Publisher:	Institute of Electrical and Electronics Engineers (IEEE)
Abstract:	This paper describes a new method and an analytical model for characterizing the surface energy inside a microchannel using the measurement of the marching velocity of a capillary meniscus. This method is based on the fact that surface tension of a liquid meniscus in a hydrophilic case produces pressure to pull liquid into the channel and the velocity of the meniscus is related to the surface energy. Both Parylene and silicon nitride microchannels with different surface conditions were fabricated to perform the liquid-filling experiments. It is shown that our model agrees well with the data and this is a valid method.
Relation:	Micro Electro Mechanical Systems, 2002. The Fifteenth IEEE International Conference on, pp.93-96
DOI:	10.1109/MEMSYS.2002.984098
Appears in Collections:	[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Proceeding

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