Microchannel PIV & LIF

Wang Xi
Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China

The images show PIV and LIF results in 200μm wide micro channel. First experiment showing flow characteristics in two single-phase mixing. Second shows two phase flow characteristics of oil-water mixed measurement. Laser used for the experiment was double pulse 532 nm Nd:YAG solid-state pulsed laser, 350 mj × 2; 15hz with pulse width of 6-8 ns. 5 megapizel camera with the maximum sampling rate of 15Hz using double exposure mode with Epix EB1 frame grabber and MicroPulse725 V5 synchronizer. Maximum speed of the plane was 1m/s and the special resolution was 0.475 um / pixel. Latest MicroVec 3.5 software was used for the calculations.