1.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。
2.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。
3.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。
4.Methods fetal non-stress test combined with fetal umbilical artery doppler velocimetry were used in 200 late pregnant women.
方法联合应用胎心无负荷试验(NST)及多普勒脐动脉血流速度测定对2 0 0例妊娠晚期孕妇进行观察。