A high-speed measuring system based on commercially available diode-pumped solid state Nd:YLF and Nd:YAG lasers, tunable dye lasers in combination and intensified CMOS cameras is presented. The system has been used to perform simultaneous Particle Image Velocimetry and Planar Laser Induced Fluorescence of OH radicals in turbulent flames at frame rates of up to 10 kHz. Unsteady processes such as local flame extinction, a precessing vortex core, and turbulence-flame interactions were investigated.
© 2010 Optical Society of AmericaPDF Article
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