声悬浮

单轴式声悬浮的物理特性

Physical characteristics of single - axis acoustic levitation

水和水溶液在声悬浮条件下的运动规律与凝固机制

Drop Dynamics and Solidification Mechanism of Water and Aqueous Solution under Acoustic Levitation

基于Leonov模型的纤维悬浮聚合物流动的数值模拟用该模型计算了声悬浮对超声振动减摩的影响。

Numerical Simulation of Polymeric Flow with Fiber Suspensions Using Leonov Constitutive Model Based on this model the influence of acoustic levitation on friction reduction is calculated .

声悬浮无容器处理的实验研究及有限元分析

Experiment study and finite element analysis for containerless processing by acoustic levitation

声悬浮优化设计理论及其应用研究

Optimization Theory of Acoustic Levitation and Its Experimental Applications

你知道声悬浮实验装置吗？

Do you know the apparatus floated by voice ?

运用声悬浮现象测量声速的演示实验

Measuring velocity of sound by using acoustic levitation

声悬浮现象的研究

The Sound of The Sea Acoustic suspension phenomenon

从理论上简要介绍了单轴式声悬浮系统的性质和谐振模式的概念。

The properties and resonant modes of single axis acoustic levitation system are presented .

用该模型计算了声悬浮对超声振动减摩的影响。

Based on this model the influence of acoustic levitation on friction reduction is calculated .

通过数值模拟方法讨论声悬浮装置中颗粒稳定性

Discussion of the stability of the paticle in acoustic levitation apparatus by numerical simulation methods

根据研制的声悬浮抛光装置，对抛光容器内的声压场进行研究。

According to acoustic levitation polishing device , the acoustic pressure in polishing tank is studied .

优化了声悬浮抛光加工工艺。

We optimized the acoustic suspension polishing processing technology by the different processing parameters of polishing .

声悬浮对超声减摩的影响高频水声声压标准装置

The effect of acoustic levitation on ultrasonic reducing friction A Standard Apparatus for Underwater Sound Pressure in High-frequency Range

针对声悬浮场的弱小相位问题，完成了可用于相位倍增的实验光路的设计。

Phase multiplied experiment setup is designed , which can solve the problem of feeblish phase in acoustic levitation field .

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。

The stability of the particle in Acoustic levitation apparatus is discussed according to the results of the numerical simulation .

实验研究了声悬浮条件下液滴的平衡形状演变规律。

In the present dissertation , the equilibrium shapes and shape evolutions of acoustically levitated drops are investigated experimentally and theoretically .

考虑了大气中的声悬浮效应，建立起摩擦付的动力学模型。

The influence of acoustic levitation on friction in air is studied , and the dynamic model of friction couple is set up .

在声悬浮条件下，第二相没有向上运动的特征，可以得到均匀弥散分布的组织，第二相平均尺寸较大。

But under acoustic conditions , the second phase ( Ga ) has no upward floating tendency and the average size is larger .

在真空状态下，超声波马达的堵转力矩比常态下提高的主要原因是声悬浮作用降低引起定子和转子的动态接触力增加所致。

The major reason the stalling torque in vacuum is higher than that in normal is that the effects of acoustic levitation decrease and the dynamic contact force increases .

为了在不影响声悬浮场及悬浮物的情况下进行高温超声悬浮物体的温度测量，提出了非接触式光纤比色测温法。

An untouched fiber-optic colorimetric thermometry is introduced in order to measure temperature of an object levitated by acoustic field when both the object and acoustic field are not affected .

运用声学理论分析了真空度对接触状态的影响，得出声悬浮作用使定子和转子的动态接触力减小的结论。

Effects of degree of vacuum on contact states are analyzed by acoustics theory . The conclusion is that action of acoustic levitation makes dynamic contact force between stator and rotor reduce .

本文主要的研究内容有：1.设计制作了一套声悬浮抛光装置，主要包括超声波发生器、抛光容器以及工件安装夹具，选择了矩形换能器阵作为超声波发射端。

This article design a set of acoustic levitation polishing device , which includes ultrasound generator , polishing container and workpiece installation fixture . And select the rectangular transducer array as ultrasonic transmitting terminal . 2 .

研究证实，超声振动可以减小接触表面间的摩擦，不仅如此，超声波振动表面所具有的声悬浮与动压润滑能力，也已被研究证实并获得了实际应用。

Experiments indicate that ultrasonic vibration can minish the friction between contacted surfaces . The acoustic levitation and dynamical pressure lubricating ability of ultrasonic vibrating surfaces is proved through investigation , and practical application of the ability is achieved too .

声能作用下的煤炭燃烧过程分析与实验优化声悬浮器结构是提高声悬浮性能的有效方法。

Procedural Analysis and Experiment of Coal Burning in Effect of Sound Energy To make use of this fact for the optimization of acoustic containerless processing , a physical model for single axis acoustic levitation is presented and the incident wave is calculated by boundary element method .

声遥测水中悬浮粒子（如泥沙）的反向散射强度，可反演获得粒子浓度。

The concentration of suspended particles in water can be estimated by inversion of the backscatter intensity with the acoustic telemetering system .

文中以作者主持的海洋863项目声光悬浮沙粒径谱测量仪为例，列举了声速、声衰减、悬浮泥沙粒径谱的测量结果。

Taking 863 818 project , " Acoustics optic Suspended Sand Size Measurement System ", as an example , the measurement results about speed , attenuation , suspended sand size distribution are listed .

颗粒介质中声衰减的浓悬浮粒子理论及其应用

Concentrated suspension theory of sound attenuation in granular media and the applications

回波脉冲比值与声衰减法测量悬浮颗粒浓度

Echo pulse ratio and attenuation of ultrasound method for the measurement of concentration of suspended particles

结果表明，提高声源强度、降低重力水平或者采用密度大声速小的气体介质有利于提高声悬浮能力。

The calculated results show that strong vibrating source , low gravitational level and sound medium with large density and small sound speed will enhance the levitation ability .