发动机喷雾燃烧流场实验研究基本方法  

Basic experimental research method of engine spray combustion flow field

作　　者：符祥览 闻浩诚 王兵[1] FU Xianglan;WEN Haocheng;WANG Bing(School of Aerospace Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]清华大学航天航空学院,北京100084

出　　处：《实验技术与管理》2023年第5期1-10,共10页Experimental Technology and Management

摘　　要：燃烧流场的诊断测试以及规律阐释,对于发动机的设计研制和工程应用具有重要价值。该文围绕发动机燃烧室中喷雾燃烧流场的实验研究,总结了以现代光学诊断为主要手段的综合实验技术。分别针对喷雾两相流场、喷雾燃烧流场的测试分析,阐述了纹影法、激光多普勒测量、激光诱导荧光测量、激光粒子分析等测量方法的基本原理及实验系统。该文还对实验室常用的光学透明模型燃烧室,如单喷嘴圆柱燃烧室和环形燃烧室,及其燃烧流场的测量进行了介绍。该文旨在为相关研究者了解喷雾流场的光学实验测试技术提供参考,为新型燃烧流场测量仪器设备或新型测量技术的研发提供基础。The diagnostic testing and regular interpretation of combustion flow fields have significant value for the design,development and engineering applications of engines.This paper summarizes the comprehensive experimental techniques for the study of spray combustion flow fields in engine combustion chambers,mainly using modern optical diagnostics.The basic principles and experimental systems of measurement methods such as schlieren method,laser Doppler velocimeter,laser-induced fluorescence and laser particle size analysis are described for the testing and analysis of two-phase flow fields and spray combustion flow fields.This paper also introduces the measurement of combustion flow fields in commonly used optical transparent model combustion chambers in the laboratory,such as single nozzle cylindrical combustion chambers and annular combustion chambers.The aim of this paper is to provide a reference for readers to understand the optical experimental testing techniques of spray flow fields,and to provide a foundation for the development of new combustion flow field measurement instruments or new measurement technologies.

关 键 词：喷雾 燃烧 火焰 光学测量 模型燃烧室 

分 类 号：V231.2[航空宇航科学与技术—航空宇航推进理论与工程]