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3-D Design and Simulation of a Piezoelectric Micropump
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3-D Design and Simulation of a Piezoelectric Micropump
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Journal Article
3-D Design and Simulation of a Piezoelectric Micropump
2019
Overview
The objective of this paper is to carefully study the performances of a new piezoelectric micropump that could be used, e.g., for drug delivery or micro-cooling systems. The proposed micropump is characterized by silicon diaphragms, with a piezoelectric actuation at a 60 V input voltage, and by two passive valves for flow input and output. By means of a 3-D Finite Element (FE) model, the fluid dynamic response during different stages of the working cycle is investigated, together with the fluid–structure interaction. The maximum predicted outflow is 1.62 μL min − 1 , obtained at 10 Hz working frequency. The computational model enables the optimization of geometrical features, with the goal to improve the pumping efficiency: The outflow is increased until 2.5 μL min − 1 .
Publisher
MDPI AG,MDPI
