The turbulence intermitency in pipe transition flow is investigated experimentally by using laser Doppler velocimetry.
2
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.
3
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.