NDLI: Effect of surface wettability on flow instability in micro-nozzle

Content Provider	IEEE Xplore Digital Library
Author	Doyoung Byun, B. Ji Hye Yang Sukhan Lee
Copyright Year	2005
Description	Author affiliation: Dept. of Aerosp. Eng., Konkuk Univ., Seoul, South Korea (Doyoung Byun, B.; Ji Hye Yang)
Abstract	Recently, researches of microfluidics have been widely studied, because microfluidic systems have been used in several fields such as lab-on-a-chip in medicine, colloid thruster in aerospace, microhydrodynamic in engineering, etc. To handle and control the liquid in the microsystems, the hydrophobic and hydrophilic characteristics on a surface are very important properties. In this study, we performed numerical simulation to investigate the effect of surface wettability in microchannel on the flow characteristics. For the hydrophilic and hydrophobic surfaces arrangement, when the flow reaches the interface region, the meniscus shape changes from concave to convex and the velocity near the centre increases. We can present more efficient method to control the microflow in several microfluidic systems.
Sponsorship	IEEE Ind. Electron. Soc. (IES) Chinese Inst. of Autom. Eng. (CIAE) Nat. Sci. Council, Taiwan, R.O.C. Minist. of Educ., Taiwan, R.O.C
Starting Page	251
Ending Page	254
File Size	835336
Page Count	4
File Format	PDF
ISBN	0780389980
DOI	10.1109/ICMECH.2005.1529262
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-10
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microchannel Surface treatment Shape Space technology Propulsion Fluid flow Numerical simulation Fluid flow control Micromechanical devices Voltage
Content Type	Text
Resource Type	Article

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