采用激光诱导荧光法测量油膜厚度的研究

被引:28
作者
陆霄露
邓康耀
机构
[1] 上海交通大学动力机械与工程教育部重点实验室
关键词
激光诱导荧光; 燃油附壁; 油膜厚度;
D O I
10.16236/j.cnki.nrjxb.2008.01.001
中图分类号
U467.4 [参数测定的仪器及技术];
学科分类号
080204 ; 082304 ;
摘要
激光诱导荧光(Laser Induced Fluorescence,LIF)技术是一种先进的测量微米级油膜厚度的方法,可用于研究燃油附壁现象。通过标定试验,找到了把荧光信号转化为油膜厚度的方法,同时还分析了背景光以及激光脉冲照射对标定试验的影响。另外,为了保证喷油器、激光器以及示波器的同步工作,设计了一个控制器。在此基础上对石英平板上的油膜厚度进行了测量,得到了油膜厚度在空间与时间上的分布曲线,验证了采用激光诱导荧光法测量油膜厚度的可行性和有效性。
引用
收藏
页码:92 / 95
页数:4
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