DISCUSSION OF THE STABILITY OF THE PATICLE IN ACOUSTIC LEVITATION APPARATUS BY NUMERICAL SIMULATION METHODS

王刚; 王伟平; 曹竹友

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DISCUSSION OF THE STABILITY OF THE PATICLE IN ACOUSTIC LEVITATION APPARATUS BY NUMERICAL SIMULATION METHODS

更新时间：2025-12-16

- DISCUSSION OF THE STABILITY OF THE PATICLE IN ACOUSTIC LEVITATION APPARATUS BY NUMERICAL SIMULATION METHODS
- CIESC Journal Issue S1, (2000)
- 作者机构：
  
  中科院化工冶金研究所多相反应实验室!北京100080,中国人民解放军防化研究院五所!北京102205,中科院化工冶金研究所多相反应实验室,北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q021
- Online First：30 December 2000，
  
  Published：30 December 2000
- 稿件说明：
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王刚, 王伟平, 曹竹友. DISCUSSION OF THE STABILITY OF THE PATICLE IN ACOUSTIC LEVITATION APPARATUS BY NUMERICAL SIMULATION METHODS[J]. CIESC Journal, 2000, (S1).
DOI：

王刚, 王伟平, 曹竹友. DISCUSSION OF THE STABILITY OF THE PATICLE IN ACOUSTIC LEVITATION APPARATUS BY NUMERICAL SIMULATION METHODS[J]. CIESC Journal, 2000, (S1). DOI：

摘要

通过数值模拟的方法讨论了声悬浮装置中几种对颗粒稳定性有影响的因素。结果表明，声源声压级增强会引起声压波形的畸变，增加谐波成分；改变腔室长度，也会影响到谐波的分布。和这些特性相联系的是，在一个周期内，声压节点位置随声源声压级增加而出现不稳定；在声源产压级较低时，声辐射压分布几乎处处为零，随着声压级增加，节点处声辐射压幅值增加，颗粒稳定性增强。

Abstract

The stability of the particle in Acoustic levitation apparatus is discussed according to the results of the numerical simulation. It has found that with the increase of the Sound Pressure Level (SPL) of sound source

the deformation of the wave form of sound pressure is enhanced and the influence of higher harmonics is strengthened. The distributions of harmonics are also affected by the change of the chamber length. With the increase of the SPL

the nodes of sound pressure move Periodically

and sound radiation pressure near the nodes increases obviously

while sound radiation pressures are almost equal to zero in the loWer SPL region.

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