Abstract: In this article，several typical modern flow measure techniques are introduced separately，which include hot wire Anemometry（HWA），Laser Doppler Anemometry（LDA），Phase Doppler Anemometry（PDA），Particle Image Velocimetry（PIV） and Plane Laser Induced Fluorescence（PLIF）. Based on the introduction and analysis of the interior application status of these techniques，the importance of applying these techniques to measuring flow characteristic in impinging mixer are addressed. A new impinging stream device is also introduced，and the further study on the impinging stream is prospected.

Key words: hot wire anemometry（HWA）, laser doppler anemometry（LDA）, phase doppler anemometry（PDA）, particle image velocimetry（PIV）, plane laser induced fluorescence（PLIF）, impinging stream

摘要： 分别介绍了几种现代典型的流动测量技术包括热线风速仪（HWA）、激光多普勒测速技术（LDV）、相位激光多普勒技术（PDA）、激光粒子图像测速技术（PIV）及平面激光诱导荧光技术（PLIF）的基本工作原理。在对这些技术在近几年的应用状况进行了介绍和分析，指出使用这些测量技术对撞击流混合器内流场进行测试的重要意义。同时介绍了一种新型撞击流装置，并对撞击流的进一步研究进行展望。

关键词: 热线风速仪, 激光多普勒测速技术, 相位激光多普勒技术, 激光粒子图像测速技术, 平面激光诱导荧光技术, 撞击流