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    • 7. 发明授权
    • LIBS system and method for engine exhaust monitoring
    • LIBS系统和发动机排气监测方法
    • US07202948B2
    • 2007-04-10
    • US11061727
    • 2005-02-22
    • Steven G. BuckleyChristopher S. BaldwinKyle Kratzsch
    • Steven G. BuckleyChristopher S. BaldwinKyle Kratzsch
    • G01J3/30G01N21/63
    • G01J3/443G01N21/718
    • A trace species detection system for engine health monitoring, the system including a laser for generating a laser beam, and optics for focusing the laser beam into an exhaust plume of an engine for thereby creating a spark in the exhaust plume. The system further includes spectral analysis instrumentation for detecting light emissions from the spark, and statistical processing instrumentation for analyzing data from the spectral analysis instrumentation for thereby identifying and quantifying specific particles within a volume of the spark. The invention also provides a method of monitoring the health of an engine, the method including generating a laser beam, focusing the laser beam into an exhaust plume of the engine for thereby creating a spark in the exhaust plume, detecting light emissions from the spark, and analyzing data from the detection for thereby identifying and quantifying specific particles within a volume of the spark.
    • 用于发动机健康监测的痕量物种检测系统,该系统包括用于产生激光束的激光器,以及用于将激光束聚焦到发动机的排气羽流中的光学器件,从而在排气羽流中产生火花。 该系统还包括用于检测来自火花的光发射的光谱分析仪器和用于分析来自光谱分析仪器的数据的统计处理仪器,从而识别和量化火花体积内的特定颗粒。 本发明还提供了一种监测发动机健康的方法,该方法包括产生激光束,将激光束聚焦到发动机的排气羽流中,从而在排气羽流中产生火花,检测来自火花的光发射, 并分析来自检测的数据,从而识别和量化火花体积内的特定颗粒。