燃烧场吸收光谱诊断技术研究进展

基于可调谐半导体激光吸收光谱（TDLAS）的视线测量技术，有能力实现流场温度、速度、组分浓度等参数的快速测量。作为一种有效的诊断工具，TDLAS传感器已经在燃烧和推进系统的研究和开发中获得广泛应用，为改善系统的性能发挥着越来越重要的作用。新应用机会的出现，对传感器提出新挑战的同时也促进了相关技术的进步。概括介绍了TDLAS技术的发展水平、在燃烧场诊断中的应用及未来的潜力，为相关研究人员提供参考。

Progress in absorption spectroscopy diagnosis techniques for combustion flowfields

Tunable diode laser absorption spectroscopy （TDLAS）,a line-of-sight technology, is used to measure the temperature,velocity,concentration and other parameters in the flow field.As a fast and efficient diagnostic tool,TDLAS sensors have wide applications in the devel-opment of the combustion and propulsion system.TDLAS sensors play more and more important role in the improvement of the system performance.When new concept propulsion appears,the sensors face new challenge,at the same time,relevant technology have been improved.The de-velopment of the TDLAS technique,applications in the combustion diagnosis and enormous po-tential have been summarized.This review can provide enlightenment and help for the research-ers in this field.