Study on the Suspension Capacity of Concave Spherical Double Emitter Ultrasonic Array

doi:10.7652/xjtuxb201811016

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Study on the Suspension Capacity of Concave Spherical Double Emitter Ultrasonic Array

更新时间：2025-07-09

- Study on the Suspension Capacity of Concave Spherical Double Emitter Ultrasonic Array
- Vol. 52, Issue 11, Pages: 106-111(2018)
- 作者机构：
  
  吉林大学通信工程学院,长春,130022
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201811016
  CLC： TK323;TP273
- Online First：10 November 2018，
  
  Published：2018
- 稿件说明：
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Study on the Suspension Capacity of Concave Spherical Double Emitter Ultrasonic Array[J]. 2018, 52(11): 106-111.
DOI：

Study on the Suspension Capacity of Concave Spherical Double Emitter Ultrasonic Array[J]. 2018, 52(11): 106-111. DOI： 10.7652/xjtuxb201811016.

摘要

为了克服传统一维单轴声悬浮装置的悬浮能力较弱的问题

设计了凹球面双发射极超声阵列。首先

分析了驻波悬浮机理

采用COMSOL有限元分析软件对不同阵列凹球面半径进行仿真得到声压分布和最大声压值

确定出最优阵列凹球面半径值

并根据优化结果制作了凹球面双发射极超声阵列装置。然后

建立超声阵列与空气介质中声场的声固耦合模型

仿真分析激励电压区间递增的驻波声场声压分布情况。最后

搭建超声阵列驻波悬浮实验平台对仿真结果进行验证。实验结果表明:当激励电压分别为8、12、16和20 V时

悬浮能力分别为27.8、36.2、48.2和65.4 mg。与传统一维单轴超声驻波声悬浮装置的悬浮能力对比

在激励电压分别为12、16和20 V时

悬浮能力分别增加了30.2%、73.4%和135.3%。凹球面双发射极超声阵列装置能够有效地提高驻波的悬浮能力。

Abstract

To improve the suspension ability of ultrasonic standing waves

a concave spherical double emitter ultrasonic array was designed. Firstly

the mechanism of ultrasonic standing wave suspension is analyzed

and the sound pressure distribution and maximum sound pressure value are obtained by using COMSOL finite element analysis

and the optimum array concave spherical radius is determined. The concave spherical double emitter ultrasonic array device was fabricated according to the optimized results. Then

the acoustic coupling model of ultrasonic array and sound field in air media is established

and the sound pressure distribution of standing wave field with increased excitation voltage is simulated and analyzed. Finally

the ultrasonic array standing wave suspension simulation experiment platform is built. The experimental results were compared with the traditional standing wave suspension ability. The experimental results showed that when the excitation voltage is 8

and 20 V

the suspension capacity is 27.8

36.2

48.2

and 65.4 mg

respectively. Compared with the traditional one-dimensional single-axis ultrasonic standing wave suspension system

the suspension capacity is increased by at least 30.2%

73.4%

and 135.3% at the excitation voltages of 12

and 20 V

respectively. The concave spherical double emitter ultrasonic array device can effectively improve the standing wave suspension ability

关键词

Keywords

references

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