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Microsystem Technologies

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23-07-2016 | Technical Paper

Effects of pulse voltage on piezoelectric micro-jet for lubrication

Authors: Kai Li, Jun-kao Liu, Wei-shan Chen, Lu Zhang

Published in: Microsystem Technologies | Issue 8/2017

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Abstract

A novel piezoelectric micro-jet for bearing lubrication is presented in this paper, and the micro-jet is working at the slapping mode. The micro-jet is embedded in the bearing system, and add little mass or volume of the system. In order to meet the different requirements for different applications and to improve the injection performance of the micro-jet, the trapezoidal wave is selected as the pulse voltage by analyzing the Fourier expansion of different pulse forms. And the influences of the parameters of the trapezoidal wave are analyzed by experiments. The injection status of the micro-jet and the mass of the droplet under single pulse voltage are obtained. The recommended exciting method for different requirements are given by analyzing the results.

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Title: Effects of pulse voltage on piezoelectric micro-jet for lubrication
Authors: Kai Li
Jun-kao Liu
Wei-shan Chen
Lu Zhang
Publication date: 23-07-2016
Publisher: Springer Berlin Heidelberg
Published in: Microsystem Technologies / Issue 8/2017
Print ISSN: 0946-7076
Electronic ISSN: 1432-1858
DOI: https://doi.org/10.1007/s00542-016-3080-3

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