氣動式雙向微流體驅動系統之研究

龔鼎琮

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氣動式雙向微流體驅動系統之研究

An Investigation of Pneumatic Bidirectional Microfluid Driving System

龔鼎琮 , Masters　　Advisor：潘大知　　

繁體中文

氣動式；驅動系統；微流體；微流道； Driving System ； Pneumatic ； Microchannel ； Microfluid

Abstract │ Reference (18) │ Times Cited (3) │ Altmetrics

Abstract 〈TOP〉

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This research studies the design of pneumatic driving systems for bidirectional flow control in microchannels. A pneumatic driving system uses an external air compressor as the power source. It induces a pressure difference across the microchannels by driving compressed air through specially designed air passages. The pressure difference provides either a suction force or an exclusion force to drive the microfluid in the channel. If the driving system is capable of generating only one kind of force, either suction or exclusion, then both ends of the microchannel must be connected to a driving unit in order to acquire bidirectional flow control. If the driving is capable of generating both kinds of force, then the microchannel requires only a single driving unit at one end for bidirectional flow control. The research uses computational fluid dynamics as a tool to examine the various geometric parameters of pneumatic driving systems. New designs are proposed based on the computational results. Finally, experiments are conducted on microchannels of 1 mm × 1 mm cross section to verify the validity of the new designs.

Reference ( 18 ) 〈TOP〉

[3] Nguyen, N. T., Huang, X., Chuan, T. K., “MEMS-Micropumps: A Review,” Transactions of the ASME Journal of Fluids Engineering, Vol. 124, No.2, June 2002, pp. 384-392.
連結：
[6] Zengerle, R., Geigel, W, Richter, A., Ulrich, Y., and Kliige, S., “Application of microdiaphragm pumps in microfluid systems,” Actuator, 1994.
連結：
[7] Fuhr, G., Hagedorn, R., Muller, T., Benecke, W., and Wagner, B., “Pumping of water solution in microfabricated electrohydrodynamic systems,” Proc. IEEE-MEMS Workshop, 1992, pp.25-29.
連結：
[10] Yao, N. K., Wan, Y. M., Chen, C. C., Hung, L. Y., and Wang, S.H , “APPARATUS AND METHOD FOR DRIVING A MICROFLOW,” United States Patent US 6,192,939 B1, Feb. 27, 2001
連結：
[12] Jen, C. P., and Lin, Y. C., “Design and simulation of bi-directional microfluid driving systems,” Journal of Micromechanics and Microengineering, Vol. 12, No.2,March 2002, pp. 115-121.
連結：

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