【作者】 潘振艳； 陈玲红； 左磊； 岑可法；

【Author】 PAN Zhen-yan;CHEN Ling-hong;ZUO Lei;CEN Ke-fa;State Key Laboratory of Clean Energy Utilization,Zhejiang University;

【机构】 浙江大学能源清洁利用国家重点实验室；

【摘要】 以丙烷湍流火焰中烟黑的激光诱导辐射检测方法进行研究,采用加载窄带滤光片的光电倍增管与示波器作为信号检测系统,研究不同燃烧环境中检测系统参数的设置对测量结果的影响。重点讨论稳态与非稳态燃烧环境下触发源、触发参数等对激光诱导辐射信号检测精度的影响,该研究结果有助于提高激光测量结果精度,为进一步研究激光测量在实际工程应用中提供科学依据。更多还原

【Abstract】 Parameter setting of detecting system under different combustion environment on the measurement results are studied with detecting laser induced signal emitted by soot particles in the propane turbulence flame,and the photomultiplier tube with the narrow-band filter coupled by the oscilloscope as signal detection system.The discussions focus on the effects of trigger source and trigger parameters on laser induced radiation signal under steady and unsteady combustion environment.The research results help to improve accuracy of laser measurement results,and can provide scientific basis for the laser diagnostics in the practical engineering applications.更多还原