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首页> 外文期刊>IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control >Performance evaluation of a valveless micropump driven by a ring-type piezoelectric actuator
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Performance evaluation of a valveless micropump driven by a ring-type piezoelectric actuator

机译：环形压电致动器驱动的无阀微型泵的性能评估

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摘要

Presented in this paper is the study of the performance evaluation of a valveless micropump driven by a ring-type piezoelectric actuator. The application of this micropump is to circulate fuel inside a miniaturized direct methanol fuel cell (DMFC) power system. A theoretical model based on the theory of plates and shells is established to estimate the deflection and the volume change of this micropump without liquid loading. Both finite-element method (FEM) and experimental method are applied to verify this model. Using this model, the optimal design parameters such as the dimensions and the mechanical properties of the micropump can be obtained. Furthermore, various system parameters that will affect the performance of the micropump system with liquid loading are identified and analyzed experimentally. It is expected that this study provides some vital information for many micropump applications such as fuel delivery in fuel cells, ink jet printers, and biofluidics.
机译：本文介绍的是对由环形压电致动器驱动的无阀微型泵的性能评估的研究。该微型泵的应用是在微型直接甲醇燃料电池（DMFC）动力系统内部循环燃料。建立了基于板壳理论的理论模型，以估算无液体载荷时该微型泵的挠度和体积变化。有限元方法和实验方法都可以用来验证该模型。使用该模型，可以获得最佳设计参数，例如微型泵的尺寸和机械性能。此外，通过液体识别和实验分析会影响微泵系统性能的各种系统参数。预期该研究将为许多微型泵应用提供一些重要信息，例如燃料电池中的燃料输送，喷墨打印机和生物流体。

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