粒子图像测速是一种快速全流场测量方法。
Digital Particle Image Velocimetry (DPIV) is a technology for fast, full field velocity measurement.
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。
Yellow vectors show air velocity, revealed by particle image velocimetry.
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。
Wereley used particle image velocimetry to estimate the amount of spewing from the pipe.
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。
The wake of a hovering rufous hummingbird. Yellow vectors show air velocity, revealed by particle image velocimetry.
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。
Particle Image Velocimetry (PIV) plays an important role in the technology of flow field display and measurement.
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。
In this paper, PIV (Particle Image Velocimetry) is applied to study the characteristic of in-cylinder flow field under different valve lifts.
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。
On the basis of image cross correlation of brightness distribution and Fast Fourier Translation, the implementation of Particle image Velocimetry was studied.
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。
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.
利用先进的数字粒子图像测速技术（DPIV）对铝合金板坯连铸过程中结晶器内的流场进行研究。
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。
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。
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.
在粒子图像测速原理的基础上研究了基于快速傅立叶变换的粒子图像测速算法，并编制算法程序进行验证。
A study was performed on the PIV algorithm based on fast Fourier transformation (FFT), and the PIV program was compiled and verified.
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。
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。
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).
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