Firstly,Particle Image Velocimetry(PIV) was introduced to carry out the measurements of Argon flow in the tube,and the oil fog was used as tracer particle.

• 以油雾粒子为示踪粒子,利用PIV技术(粒子图像测速技术)对氩气流在水平携带床管内的速度分布进行了测量和分析。