用于微流体的压电-加热耦合驱动无阀微泵的模拟与实验

IF 1.5 4区 工程技术 Q3 ENGINEERING, MECHANICAL
Shanshan Zhao, Xinxin Wang, Wenkang Zhao, Yanhong liang, Xiaoxiao Yan, Gang Tang, Xiaozhen Deng, Yuwen Li
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引用次数: 0

摘要

无阀微泵是微流控系统的重要组成部分,广泛应用于生物医药、化工、微电子冷却等领域。目前,微泵的驱动方式主要是单驱动,导致驱动力不足,输出压力低。本研究设计了无阀微泵的整体结构,并通过有限元仿真对驱动部件和内部进出口进行了比较和分析。此外,还加工和开发了无阀微泵原型,并进行了性能测试。结果表明,由压电和加热耦合驱动的无阀微泵的输出性能优于压电微泵。当环境温度为 20 °C 时,向压电元件施加 140 V 电压和 40 Hz 频率,并向加热板施加 3A 电流。此外,经过一段时间后,通过微针的液体流速为 0.98 微升/秒。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation and experiment of valveless micropumps driven by piezoelectric–heating coupling for microfluidics

Valveless micropump, important components of a microfluidic system, are widely used in biomedicine, chemical industry, microelectronics cooling and other fields. At present, the driving mode of micropump is mainly single drive, resulting in insufficient driving force and low output pressure. In this study, the overall structure of valveless micropump is designed, and the driving component and the internal inlet and outlet are compared and analyzed by finite element simulation. Moreover, the valveless micropump prototype is processed and developed for performance test. Results show that the output performance of the valveless micropump driven by piezoelectric and heating coupling is better than that of the piezoelectric micropump. When the ambient temperature was 20 °C, 140 V voltage and 40 Hz frequency were added to the piezoelectric component, as well as a 3A current to the heating plate. Furthermore, the liquid flow rate through the microneedle was 0.98 µl/s after a period of time.

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来源期刊
Journal of Mechanical Science and Technology
Journal of Mechanical Science and Technology 工程技术-工程:机械
CiteScore
2.90
自引率
6.20%
发文量
517
审稿时长
7.7 months
期刊介绍: The aim of the Journal of Mechanical Science and Technology is to provide an international forum for the publication and dissemination of original work that contributes to the understanding of the main and related disciplines of mechanical engineering, either empirical or theoretical. The Journal covers the whole spectrum of mechanical engineering, which includes, but is not limited to, Materials and Design Engineering, Production Engineering and Fusion Technology, Dynamics, Vibration and Control, Thermal Engineering and Fluids Engineering. Manuscripts may fall into several categories including full articles, solicited reviews or commentary, and unsolicited reviews or commentary related to the core of mechanical engineering.
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