激光多普勒测速仪

本文叙述了所研制的激光多普勒测速仪中计数显示电路的原理、特点、以及和光路之间的配合关系。

This describes the principles and features of counting and display circuit of LDV to be made and the relationship between this circuit and optical structure .

为探索闪急沸腾喷雾的形成机理，以氟里昂R12为试验掖体，采用激光多普勒测速仪（LDA）测量了稳定流动条件下粒子的速度分布。

In order to understand flash boiling injection , the drop velocity distribution in steady spray of freon R12 as test liquid was investigated by using LDA technique .

利用激光多普勒测速仪（LDV）测量柯安达流的附壁点位置

Measurement of the Attachment Point Position for Coanda Flow Using LDV

本文给出了用激光多普勒测速仪（LDA）测量涡旋式电弧等离子体化学反应器流场的实验研究结果。

The results of experimental investigation on the flow field in the vortex arc-plasma reactor by LDA are presented .

本文介绍应用双色激光多普勒测速仪（LDA），测定水平圆管内气固两相流的方法，并对试验结果进行了详细讨论。

This paper introduces a determination of an air-solid two-phase flow in a horizontal pipe of circle by two-color laser-doppler anemometry and results are discussed in detail .

利用激光多普勒测速仪（LDV）对后弯闭式离心叶轮内部气流在非设计工况下的流动进行了实验测量。

An experimental investigation of the shrouded centrifugal backswept impeller flow field has been conducted at off-design flow using Laser Doppler Velocimeter ( LDV ) and shaft encoder .

本文应用二维激光多普勒测速仪（LDV），对二元通道内近壁间歇性反流特征做了尝试性测量。

The investigation of the upstream-downstream intermittent reversing flow in the near wall of a 2-D channel is attempted with a 2-D laser doppler velocimeter ( LDV ) .

最后给出了用激光多普勒测速仪（LDV）测出的JIB2型变扭器导轮叶片水洞速度场数据及流场照片。

At last the fluid velocity passing through JIB_2 convertor 's director blades in water tunnel is given by use of LDV and the pictures of fluid field are given .

在不同流量和分流比的多个工况下应用LDV/APV可适性激光多普勒测速仪，对35mm液液分离水力旋流器模型各锥段的不同截面进行了流场测量。

The velocity fields in a liquid-liquid hydrocyclone model were tested with a two-dimensional LDV / APV system under different conditions of flowrate and overflow ratio .

论述了油水分离水力旋流器的结构及性能。采用先进的二维激光多普勒测速仪（LDV）定量测试了两种不同结构模型的内流场。

The design features and performance of a hydrocyclone for oil water separation are expounded , and the inner flow fields in two models with different structures are tested by using the 2 - D Laser Doppler velometer .

介绍了利用激光多普勒测速仪（LDA）和激光片光流场显示技术在一轴流风扇转子叶尖附近流场测量得到的结果。

An experimental investigation associated with the basic fluid mechanics in an axial flow fan is described in this paper . The flow field in the tip region has been studied by laser Doppler anemometer ( LDA ) and flow visualization technique .

在高8m，内径186mm的循环流化床中，利用光纤激光多普勒测速仪测量了FCC颗粒的局部速度沿轴径向的分布。

This paper presents an experimental study on the radial and axial profiles of local particle velocity of fluidized catalyst ( FCC ) particles in a circulating fluidized bed of 8000 mm in height and 186 mm in inner diameter using a Fiber-Optic Probe Laser Doppler Velocimetry .

本研究采用光纤激光多普勒测速仪（LDV），通过两列信号处理系统，同时测定了气体和颗粒局部速度，研究了低密度循环流化床提升管内局部滑落速度的变化规律。

The local slip velocity between gas and solid in the riser of dilute circulating fluidized bed was investigated through the simultaneous measurements of local gas velocity and particle velocity by means of a fiber optic probe Laser Doppler Velocimetry ( LDV ) .

结合三光束激光多普勒测速仪，从理论上分析了在不同介质中测量参数的修正，推导出LDA在不同介质中的参数修正公式。

Coupled with the 3 beam laser Doppler anemometry ( LDA ), the amendment of the measuring parameters in different media was discussed in theory . And the amendatory formulas were achieved . With the formulas , the parameters both in air and in water were obtained and compared .

激光多普勒测速仪使用时圆柱管壁影响的分析计算

Analysis and Calculation of Circular Wall Effects with Laser Doppler Velocimeter

固体激光多普勒测速仪研究

The Study of Laser Doppler Velocimeter ( LDV ) for Solid Surface

激光多普勒测速仪在化学工程中的应用

Applications of laser Doppler velocimeter in chemical eng in eer in g

数字相关技术在激光多普勒测速仪中的应用

The application of digital correlation technology in laser Doppler velocimeter

基于计数法测量激光多普勒测速仪的测速精度

Measuring the precision of laser Doppler velocimeter based on counting

二维激光多普勒测速仪用于测量旋转机械的内部流动

The 2-D laser Doppler anemometer system for flow measurements in rotating machinery

差动激光多普勒测速仪在固体速度测量中的应用

Application of differential laser Doppler velocimeter in solid velocity measurement

用激光多普勒测速仪对某种几何壳体内部流场的测量

Measurement of velocity field in a geometric casino using a laser Doppler anemometer

自混合型半导体激光多普勒测速仪对血流量的测量

Blood flow measurement by self-mixing semiconductor laser Doppler velocimeter

激光多普勒测速仪信噪比及多普勒电流的研究

Signal-to-noise Ratio and Doppler Current of Laser Doppler Velocimeter

激光多普勒测速仪测量误差的估计和修正

Estimation and Correction of the Bias for LDA Measurements

激光多普勒测速仪是利用光学多普勒效应和光外差技术制造的。

Laser Doppier speed measuring apparatus works on Doppler effect and light heterodyne .

后向散射激光多普勒测速仪的实验研究

The experimental research of laser Doppler velocimeter in backscatter

用激光多普勒测速仪测量水平圆管内的气固两相流

Measurement of an Air-solid Two-phase Flow in a Horizontal Pipe of Circle with LDA

频移分离型三维激光多普勒测速仪研究

Three-Dimensional Laser Doppler Velocimeter Using Frequency Shift Separation

激光多普勒测速仪的设计及实现

Design and Implementation of Laser Doppler Velocimeter