基于激光的测量技术在燃烧流场诊断中的应用

分析了工业发动机湍流燃烧场诊断的需求和面临的挑战,介绍了燃烧流场组分浓度、温度和速度等主要参数的激光测量技术,给出了其基本原理、在燃烧场诊断中的应用和国内外研究现状,分析了不同技术的特点及其适用性。简介了多参数综合诊断的作用和进展。对目前诊断和测量存在的主要问题和发展趋势进行了探讨。

Applications of measurement techniques based on lasers in combustion flow field diagnostics

In this paper, the diagnostic requirements and challenges of turbulent combustion in industrial engines are introduced. The main parameters for laser measurement techniquese such as concentration, temperature, and velocity of the combustion flow field are presented. The basic principles of the measurement technology, the application in combustion field diagnosis and the research status at home and abroad are described, and the characteristics and applicability of different technologies are analyzed. The role and progress of multi-parameter comprehensive diagnosis are briefly introduced. The main problems and trends in the current diagnosis and measurement are discussed.