Design and analysis of impedance pumps utilizing electromagnetic actuation

Yu Hisang Wang, Yao Wen Tsai, Chien Hsiung Tsai, Chia Yen Lee, Lung Ming Fu

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

This study designs and analyzes an impedance pump utilizing an electromagnetic actuator. The pump is designed to have three major components, namely a lower glass substrate patterned with a copper micro-coil, a microchannel, and an upper glass cover plate attached a magnetic PDMS diaphragm. When a current is passed through the micro-coil, an electromagnetic force is established between the coil and the magnetic diaphragm. The resulting deflection of the PDMS diaphragm creates an acoustic impedance mismatch within the microchannel, which results in a net flow. In performing the analysis, simulated models of the magnetic field, the diaphragm displacement and the flow rate are developed using Ansoft/Maxwell3D, ANSYS FEA and FLUENT 6.3 CFD software, respectively. Overall, the simulated results reveal that a net flow rate of 52.8 μL/min can be obtained using a diaphragm displacement of 31.5 μm induced by a micro-coil input current of 0.5 A. The impedance pump proposed in this study provides a valuable contribution to the ongoing development of Lab-on-Chips (LoCs) systems.

Original languageEnglish
Pages (from-to)4040-4052
Number of pages13
JournalSensors
Volume10
Issue number4
DOIs
Publication statusPublished - 2010 Apr 1

Fingerprint

Electromagnetic pumps
electromagnetic pumps
Electromagnetic Phenomena
diaphragms
Diaphragms
Diaphragm
Electric Impedance
actuation
impedance
coils
Pumps
pumps
microchannels
Microchannels
Glass
flow velocity
flow nets
Flow rate
electromagnetism
Acoustic impedance

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Wang, Yu Hisang ; Tsai, Yao Wen ; Tsai, Chien Hsiung ; Lee, Chia Yen ; Fu, Lung Ming. / Design and analysis of impedance pumps utilizing electromagnetic actuation. In: Sensors. 2010 ; Vol. 10, No. 4. pp. 4040-4052.
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Design and analysis of impedance pumps utilizing electromagnetic actuation. / Wang, Yu Hisang; Tsai, Yao Wen; Tsai, Chien Hsiung; Lee, Chia Yen; Fu, Lung Ming.

In: Sensors, Vol. 10, No. 4, 01.04.2010, p. 4040-4052.

Research output: Contribution to journalArticle

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