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基于喷嘴驱动压电微射流的粘性微滴注射及其性能控制方法

Injection of Viscous Micro-Droplet via Nozzle-Driven Piezoelectric Micro-Jet and Its Performance Control Method.

作者信息

Shan Ti-Yuan, Wu Xiao-Sheng, Hu Yuan-Wen, Lin Xin-Di, Sun Dan-Feng

机构信息

School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200000, China.

Shanghai Aerospace Control Technology Institute, Shanghai 200000, China.

出版信息

Micromachines (Basel). 2023 Jun 18;14(6):1267. doi: 10.3390/mi14061267.

DOI:10.3390/mi14061267
PMID:37374852
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10302590/
Abstract

The inkjet printing technology based on piezoelectric micro-jets can effectively realize the efficient and high-precision processing of special-shaped structures. In this work, a nozzle-driven piezoelectric micro-jet device is proposed, and its structure and micro-jet process are described. ANSYS two-phase, two-way fluid-structure coupling simulation analysis is carried out, and the mechanism of the piezoelectric micro-jet is described in detail. The effects of voltage amplitude, input signal frequency, nozzle diameter and oil viscosity on the injection performance of the proposed device are studied, and a set of effective control methods is summarized. The correctness of the piezoelectric micro-jet mechanism and the feasibility of the proposed nozzle-driven piezoelectric micro-jet device are proved by experiments, and an injection performance test is carried out. The experimental results are consistent with the ANSYS simulation results, which confirms the correctness of the experiment. Finally, the stability and superiority of the proposed device are verified via comparation experiments.

摘要

基于压电微射流的喷墨打印技术能够有效地实现异形结构的高效高精度加工。在这项工作中，提出了一种喷嘴驱动的压电微射流装置，并描述了其结构和微射流过程。进行了ANSYS两相、双向流固耦合模拟分析，详细阐述了压电微射流的机理。研究了电压幅值、输入信号频率、喷嘴直径和油粘度对所提出装置喷射性能的影响，并总结出一套有效的控制方法。通过实验证明了压电微射流机理的正确性以及所提出的喷嘴驱动压电微射流装置的可行性，并进行了喷射性能测试。实验结果与ANSYS模拟结果一致，证实了实验的正确性。最后，通过对比实验验证了所提出装置的稳定性和优越性。

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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e01/10302590/f2ea45218409/micromachines-14-01267-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e01/10302590/4d967cff971d/micromachines-14-01267-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e01/10302590/ab845926d054/micromachines-14-01267-g018.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4e01/10302590/8ad4242e8abc/micromachines-14-01267-g019.jpg
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