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Axial elongation of water droplet by application of electric field for bio-chemical reaction system

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Title: Axial elongation of water droplet by application of electric field for bio-chemical reaction system
Authors: Hino, T.1 Browse this author →KAKEN DB
Hyashishita, E. Browse this author
Yamauchi, Y. Browse this author →KAKEN DB
Hirohata, Y. Browse this author
Nishikawa, M. Browse this author
Authors(alt): 日野, 友明1
Keywords: Water
Electric Field
Electric Energy
Issue Date: 2005
Publisher: Royal Swedish Academy of Science
Journal Title: Physica Scripta
Volume: T118
Start Page: 193
End Page: 195
Publisher DOI: 10.1238/Physica.Topical.118a00193
Abstract: In bio-micro devices, numerous functions of liquid flow such as elongation, expansion and transportation are required. Electro-wetting is one of the methods to control the liquid flow. In the present study, a water droplet was elongated in a channel based upon electro-wetting, and the effect of electrode diameter and shape of electrode immersed in a water droplet on the elongation was examined. The elongation increased as a diameter of electrode, and significantly increased when the electrode with a T-shape was employed. The electric field at the edge of water droplet is kept relatively large when the rod electrode with a large diameter or the T-shape electrode is employed. The present result can be explained by this effect, the change of local electric energy at the edge of the droplet.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 日野 友明

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