NDLI: Innovative Electrode Arrangement for Electrohydrodynamic Pumping

Content Provider	IEEE Xplore Digital Library
Author	Kano, I. Kano, Y. Nishina, T.
Copyright Year	2008
Description	Author affiliation: Networking & Comput. Service Center, Yamagata Univ., Yonezawa (Kano, I.)
Abstract	An experimental investigation was conducted to develop an electrohydrodynamic (EHD) pump based on a microelectromechanical system (MEMS) technology. To develop an EHD micropump with enhanced pumping performance, including not only long-term driving but high-pressure generation, two electrode plates were prepared. On one, the electrode pattern was designed as a series of planar comb fingers. The electrodes had a width of 60 mum, with a 120-mum gap between each pair. The gap between the electrode pairs is 480 mum. The other electrode plate was a non-patterned plane surface. The working fluid was confined between the two electrodes, which faced each other with a distance of 100 mum. The overall dimensions of the micropump were 30 times 30 times 5.3 mm. The working fluid used was HFE-7100 (3 M), and all the experiments were conducted inside a class 1000 clean room with controlled moisture content (19.0%) and temperature (295.55 plusmn 0.5 K). The pump generated a maximum pressure of 500 Pa and a maximum flow rate of 6 mL/min. The highest pump performance was 0.25%. Finally, we proposed an EHD pumping mechanism that explains the pressure generation as the emission of positively charged liquid molecules through the hetero-charge layers.
Starting Page	1
Ending Page	7
File Size	629580
Page Count	7
File Format	PDF
ISBN	9781424422784
ISSN	01972618
DOI	10.1109/08IAS.2008.94
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-05
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Microelectromechanical systems Micromechanical devices Fluid flow control Moisture control Pumps Fingers Micropumps Pressure control Electrohydrodynamics
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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