【作者】 刘永峰； 张幽彤；

【Author】 Liu Yongfeng~(1,2) Zhang Youtong~1 (1 School of Mechanical and Vehicular Engineering,Beijing Institute of Technology,Beijing 100081,China;2 School of Mechanical-electronic and Automobile Engineering,Beijing University of Civil Engineering and Architecture,Beijing 100044,China)

【机构】 北京理工大学机械与车辆工程学院；

【摘要】 为了测量高速柴油发动机缸内温度场,提出了应用激光测试新技术;分析了激光荧光产生原理。根据荧光谱线对荧光物质进行定性分析鉴别,利用激光的特性测试出高速柴油机缸内湍流火焰瞬时温度。分析比较了实验与计算结果,为发动机设计人员提供了新的测试技术思路。更多还原

【Abstract】 To measure cylinder temperature in high-speed diesel engine,laser technology is presented.The principle of laser induced fluorescence(LIF)is presented and the experimental schematic is outlined.Besides,the instanta- neous temperature is measured by laser and the results between experiment and calculation are compared,which supply new measurement technology for researcher in engine.更多还原