基于序列脉冲激光法高速空气流场速度的研究  

Study on velocity of high speed air flow by train pulsed laser method

作　　者：崔海霞[1,2] 姚建铨[2] 郑义[2] 王杰[2] 肖绪辉[2] 万春明[1] 

机构地区：[1]长春理工大学,高功率半导体激光国家重点实验室,吉林长春130022 [2]天津大学激光与光电子研究所,天津300072

出　　处：《光电子．激光》2011年第1期103-109,共7页Journal of Optoelectronics·Laser

基　　金：航空部资助项目

摘　　要：针对高速空气流场中气体瞬时速度的非接触测量,提出采用序列脉冲作为光源的拉曼激发-激光诱导电子荧光(YRELIEF)法,通过对其测量原理的分析、激光器件及测量系统的选择、主要部件的设计及最终的实验研究,得到系统的最佳参数及风洞流场的标记图像。研究结果表明,本文提出的方法是风洞高速不稳定流场速度非接触测量的最佳方案之一,在未来流场检测技术中具有应用前景。Raman excitation-laser induced electronic fluorescence method base on train pulsed laser（YRELIEF） used to instantaneous velocity measurement of high speed air flow was introduced.The measurement principle,laser devices,measurement system,main apparatus design and experiment study were discussed in the paper.The aim is to respond the application demand above instantaneous velocity measurement of high speed air flow by non-contact measure method.Also experimental study on fluorescence marking of air flow was obtained.This method is suitable to testing at high speed instable air flow and is one of the optimum schemes of non-contact measure methods,which will has many future potentials applications on flow testing.

关 键 词：拉曼激发-激光诱导电子荧光(RELIEF)法 序列脉冲激光 高速空气流场 ICCD 

分 类 号：V211.752[航空宇航科学与技术—航空宇航推进理论与工程]