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TECHNICAL PAPERS

A Piezoelectric Valve-Less Pump-Dynamic Model

[+] Author and Article Information
Amos Ullmann, Yehuda Taitel

Department of Fluid Mechanics and Heat Transfer, Faculty of Engineering, Tel-Aviv University, Ramat-Aviv 69978, Israel

Ilan Fono

Micro Infusion Ltd, 2a Katzir Street, Tel-Hashomer, Ramat Gan 52656, Israel

J. Fluids Eng 123(1), 92-98 (Nov 01, 2000) (7 pages) doi:10.1115/1.1343459 History: Received December 30, 1999; Revised November 01, 2000
Copyright © 2001 by ASME
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References

Figures

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The valve-less pump, schematic description for the calculation of the natural frequency
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Detailed design of the piezoelectric valve
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Flow rate against the driving frequency, comparison with experiments
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Maximum pressure against the driving frequency, comparison with experiments
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Pump performance, theoretical
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Central amplitude of the piezoelectric membrane
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Pump performance, comparison with experiment, Stemme and Stemme 6 Model B
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Pump performance, comparison with experiment, Stemme and Stemme 6 Model A
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Schematic valve-less pump structure

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