Yellow vectors show air velocity, revealed by particle image velocimetry.

黄色的矢量位点是通过粒子图像测速技术显现的气流速度。

Wereley used particle image velocimetry to estimate the amount of spewing from the pipe.

Werley曾经使用粒子图像测速技术去预测从管道中泄漏出的原油总量。

Digital Particle Image Velocimetry (DPIV) is a technology for fast, full field velocity measurement.

粒子图像测速是一种快速全流场测量方法。

The incidence light source is very important for the PIV (particle image velocimetry) of bubble in water.

光源的选择对研究水中气泡界面的光强非常重要。

The wake of a hovering rufous hummingbird. Yellow vectors show air velocity, revealed by particle image velocimetry.

棕煌蜂鸟悬停时引发的尾流。黄色的矢量位点是通过粒子图像测速技术显现的气流速度。

Particle Image Velocimetry (PIV) plays an important role in the technology of flow field display and measurement.

在流场显示测量技术中，粒子图像测速(PIV)技术占有相当重要的地位。

This paper studies Particle image Velocimetry (PIV) and its image measurement techniques in propellant application system.

本文探讨二维粒子图象测速(PIV)技术在应用系统中的研究与实现。

In this paper, PIV (Particle Image Velocimetry) is applied to study the characteristic of in-cylinder flow field under different valve lifts.

本文采用粒子图像测速技术研究了汽油机在不同气门升程下的气体流动规律。

Particle Image Velocimetry (PIV) Measurements were carried out on a 2-d flow field around the greenhouse in the atmospheric boundary layer wind tunnel.

在大气边界层风洞中，利用粒子图像速度场仪(PIV)对风绕过二维温室的流动进行了流场测量。

A cross correlation algorithm based on Fast Fourier Transform (FFT) for Digital Particle Image Velocimetry (DPIV) is discussed thoroughly in this paper.

详细研究了基于快速傅立叶变换(FFT)的数字粒子图象测速技术(DPIV)的互相关算法。

The fluid flow phenomena happened in the mould of continuous casting of aluminium alloy was studied by digital particle image velocimetry(DPIV) technology.

利用先进的数字粒子图像测速技术（D PIV）对铝合金板坯连铸过程中结晶器内的流场进行研究。

On the basis of image cross correlation of brightness distribution and Fast Fourier Translation, the implementation of Particle image Velocimetry was studied.

在图像灰度分布互相关和快速傅立叶变换的基础上，研究了粒子图像测速的实现。

In this paper, it is tested that the surface velocity fields of the planar casting water simulation using the Digital Particle Image Velocimetry technology DPIV.

采用粒子图像测速技术对平板类铸件浇注过程水模拟的充型自由表面速度场进行了测试分析。

Digital particle image velocimetry (DPIV) was applied to investigate the flow field around a circular cylinder undergoing sinusoidal oscillating movement in still water.

本文用数字粒子成像测速仪(DPIV)，对圆柱体在静水中作正弦振动而产生的振荡流场进行了实测研究。

By using a particle image velocimetry (PIV), an experimental study was performed on the swirling flow of viscoelastic fluid with deformed free surface in a cylindrical container.

利用粒子图像测速仪(PIV)对圆筒形容器内有自由表面变形的粘弹性流体旋转流动进行了实验研究。

Two dimensional particle image velocimetry system is used to investigate effects of the dielectric barrier discharge plasma on the flow field in the wake of circular cylinder cross flow.

利用二维粒子图像测速系统研究了低速风洞实验中介质阻挡放电等离子体对圆柱绕流尾迹区流场的影响。

The particle image velocimetry (PIV) is an effective and non-intrusive technique to measure the planar distribution of velocity in the fluid based on the cross-correlation of flow images.

PIV技术是一种基于流场图像互相关分析的二维流场非接触式测试技术。

The wake vortices of an impinging jet in crossflow were studied experimentally by means of laser-induced fluorescence (LIF) flow visualization and particle image velocimetry (PIV) measurement.

本文采用LIF(激光诱导荧光)流动显示和PIV(粒子图像速度场仪)测量对横流冲击射流的尾迹涡结构进行了实验研究。

An improved version of the existing DPIV (digital particle image velocimetry) in the lab has been employed to conduct a preliminary research of the velocity field of the ICFB particle movement.

对实验室原有的DPIV系统进行了改进，并用该系统初步研究了内旋流流化床颗粒运动的速度场。

In this paper, the variations in the horizontal and vertical velocities over 6 different transverse dune models are investigated in a wind tunnel by applying the particle image velocimetry (PIV).

通过风洞实验的方法，针对不同形态的6组横向沙丘模型，采用粒子图像测速系统，测量了模型沙丘周围气流水平速度和垂直速度的变化规律。

The velocity field measurement by use of the particle image velocimetry and particle tracking velocimetry ( PIV/PTV) system in a tidal estuary model test has advantages of high speed and accuracy.

在潮汐河口河工模型试验中采用粒子测速（PIV/PTV）系统测量流场，具有快速、精度高的优点。

That could prove the feasibility of this particle image velocimetry system in this paper. This would be help to PIV application study in measuring velocity flow field and good for farther analyze.

本文的成果为二维PIV图像处理方法在流场测速技术中的应用研究，以及进一步的流场分析奠定了良好的技术基础。