无阀压电泵的流固耦合仿真及试验验证

曾平; 李立安; 胥锋; 刘国君; 温建明

doi:10.3788/OPE.20162401.0112

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无阀压电泵的流固耦合仿真及试验验证

微纳技术与精密机械 | 更新时间：2020-08-13

- 无阀压电泵的流固耦合仿真及试验验证
- Structural-fluid coupling simulation and experimental verification on valveless piezoelectric pump
- 光学精密工程 2016年24卷第1期页码：112-118
- 作者机构：
  
  1. 浙江师范大学精密机械研究所,浙江金华,321004
  2. 吉林大学机械科学与工程学院,吉林长春,130025
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目(No.51375207,No.51205369)()
- DOI：10.3788/OPE.20162401.0112
  中图分类号： TH38;TN384
- 收稿日期：2015-06-18，
  
  修回日期：2015-07-15，
  
  纸质出版日期：2016-01-25
- 稿件说明：
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曾平, 李立安, 胥锋等. 无阀压电泵的流固耦合仿真及试验验证[J]. 光学精密工程, 2016,24(1): 112-118

ZENG Ping, LI Li-an, XU Feng etc. Structural-fluid coupling simulation and experimental verification on valveless piezoelectric pump[J]. Editorial Office of Optics and Precision Engineering, 2016,24(1): 112-118
曾平, 李立安, 胥锋等. 无阀压电泵的流固耦合仿真及试验验证[J]. 光学精密工程, 2016,24(1): 112-118 DOI： 10.3788/OPE.20162401.0112.

ZENG Ping, LI Li-an, XU Feng etc. Structural-fluid coupling simulation and experimental verification on valveless piezoelectric pump[J]. Editorial Office of Optics and Precision Engineering, 2016,24(1): 112-118 DOI： 10.3788/OPE.20162401.0112.

摘要

提出利用结构分析软件ANSYS和流体分析软件ANSYS CFX对无阀压电泵进行流固耦合仿真分析

以研究无阀压电泵的输出性能。分别对进口在中间出口在一侧、出口在中间进口在一侧、进出口对称布置的3种不同结构形式的无阀压电泵进行了流固耦合仿真分析。结果显示

上述3种无阀压电泵中

出口在中间进口在一侧结构形式的无阀压电泵的宏观输出流量最大。制作了3种无阀压电泵的试验样机

并搭建了相应的试验测试系统

在幅值为45 V、频率为0~700 Hz 的正弦信号激励下对其输出流量进行了测试。结果表明

3种不同结构形式的无阀压电泵的最大输出流量分别为3.8、6.0和4.0 ml/min

出口在中间进口在一侧的压电泵输出流量最大

与流固耦合仿真分析的结果相吻合

验证了本文提出的流固耦合仿真分析的方法可以指导压电泵的设计。

Abstract

The structural software ANSYS and the fluid software ANSYS CFX. were used to simulate the structural-fluid coupling of a valveless piezoelectric pump and to research its output performance. Three different kinds of valveless pumps

the pump with middle inlet

the pump with middle outlet and the pump with side inlet/outlet were designed. The structural-fluid coupling on these valveless piezoelectric pumps was simulated by the software ANSYS and the software ANSYS CFX. The simulation results show that the pump with middle outlet has the maximum output flow rate. The prototypes of the three kinds of piezoelectric pumps were fabricated and a corresponding testing system for the pumps was set up and test experiments were performed under a sinusoidal AC excitation signal of 45 V and the frequency of 0-700 Hz. The results show that the maximum output flow rates of the three kinds of valveless pumps are 3.8 ml/min

6.0 ml/min and 4.0 ml/min

respectively. Among them the pump with middle outlet has the maximum output flow rate

which is consistent with the results of the structural-fluid coupling simulation and verifies that the simulation method proposed by this paper can guide the design of piezoelectric pumps.

关键词

Keywords

references

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