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Updated: Sep 18, 2025

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
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Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

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基于同轴对焦双频聚焦超声波和波束的稳定声学悬浮

Tingzhen Feng1, Tinghui Meng1, Yuzhi Li1

  • 1School of Computer and Electronic Information, Nanjing Normal University, Nanjing 210023, China.

Ultrasonics
|June 24, 2025
PubMed
概括

这项研究引入了一种稳定的声学悬浮方法,使用双频聚焦超声波和声学波束. 它实现了精确的,无接触的粒子操纵,增强了各种应用的稳定性.

关键词:
声波悬浮是一种声学悬浮.声波辐射的强力是声波辐射的强力.同轴共聚焦FU和FAV光束.双频全息 DDS 技术是双频全息 DDS 技术.聚焦的部门传感器阵列.

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Fabrication and Operation of Acoustofluidic Devices Supporting Bulk Acoustic Standing Waves for Sheathless Focusing of Particles10:14

Fabrication and Operation of Acoustofluidic Devices Supporting Bulk Acoustic Standing Waves for Sheathless Focusing of Particles

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A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
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Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
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