NDLI: Numerical and experimental studies of a one-side actuating micropump with piezoelectric effect

Content Provider	IEEE Xplore Digital Library
Author	Ma, H.K. Chen, B.R.
Copyright Year	2009
Description	Author affiliation: Department of Mechanical Engineering, National Taiwan University, Taiwan (Ma, H.K.; Chen, B.R.)
Abstract	In this study, a three-dimensional, transitional simulated model of a one-side actuating micropump, based on an actual design, has been successfully developed to predict the flow rates and pump heads by changing actuator displacements and the coupling effects of valves under different frequencies. The grid deformation with two moving boundaries, including the PDMS diaphragm and the piezoelectric device, is adopted in a CFD theoretical model for transition simulation. The simulated results indicate that the performance of the micropump strongly depends on the displacement and frequency of the actuator as well as the vibration of the valves. Compared with the maximum displacement of theoretical input data for the actuator at the frequency of 130 Hz, the simulated maximum flow rate is 1.6 ml/s at 140 Hz with the maximum pump head of 3.6 kPa due to the effect of valve vibration. In addition, the experimental results show that the pump with inlet/outlet+2 mm has the highest drain flow rate, but the pump with inlet/outlet+1 mm earns the highest pump efficiency due to the highest pump head.
Starting Page	98
Ending Page	105
File Size	666339
Page Count	8
File Format	PDF
ISBN	9781424436644
ISSN	10652221
e-ISBN	9781424436651
DOI	10.1109/STHERM.2009.4810749
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-03-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Micropumps Piezoelectric effect Valves Frequency Piezoelectric devices Deformable models Actuators Vibrations Magnetic heads Predictive models efficiency micropump piezoelectric device check valve
Content Type	Text
Resource Type	Article

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