仪器设备

双腔激光：Nd:YAG double-cavity Laser Type: Bernoulli PIV 200-15 pulse energy: 2x 200 mJ wavelength: 532 nm max. repetition rate: 15 Hz including motorized attenuator sealed housing Laser CLASS 4, according to IEC 60825-1:2014，信号采集器：Imager SX 4M CCD camera progressive-scan-camera (12Bit digital) with dual-frame-technique for cross correlation CCD-resolution: 2360 x 1776 pixel pixel size 5.5 µm x 5.5 µm 31 frames/s @ full resolution示踪粒子发 生器: max. pressure: 5 bar min. flowrate: 50 l/h；像增强器： high voltage pulser for gates≥10ns incl. external gate and delay IRO controller.

测量气体和流体得二维流速场。

自备示踪粒子（<1micron)。

系统包含DaVis10软件，用于标定，信号采集和处理。