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湍流流动中的温度、混合分数和速度的同时成像
Benoit Fond,1 Christopher Abram,1 Andrew L Heyes,1 Andreas M Kempf,2 and Frank Beyrau1
1帝国理工学院机械工程系
2模拟流体动力学和反应电流教授，德国杜伊斯堡-埃森大学f.beyrau @，* imperial.ac.uk
摘要：
本文提出了一种基于粒子的红外荧光粉的光学诊断技术，它是一种诊断在湍流中的气体温度、流速和混合分数的二维测测量技术。粒子Mie的散射信号使用传统的PIV技术被记录，散发的磷光使用双色法确定示踪温度。在这项工作中提出的理论模型表明，小的示踪粒子的温度和气体的温度相关。此外，通过播种磷光颗粒流和非发光粒子的流，考虑温度之后，混合分数也可以使用磷光发光强度来确定。详细描述了根据光谱研究确定合适的荧光粉的实验技术。通过同时测量温度，速度和混合分数在湍流射流加热到700 K。相关的单镜头的联合诊断证明的精度为2至5%，精度为2%。
copy;2012美国光学学会
OCIS代码：（120.1740）燃烧诊断；（280.0280）遥感和传感器；（280.2490）流动诊断；（280.7250）测速仪；（280.6780）温度；（160.2540）荧光和发光材料。
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