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Kaminski, CF; Hult, J; Alden, M, "High repetition rate planar laser induced fluorescence of OH in a turbulent non-premixed flame", APPLIED PHYSICS B-LASERS AND OPTICS 68:757-760(1999), DOI:10.1007/s003400050700, | pdf 


Abstract

High speed planar laser induced fluorescence (PLIF) imaging of the OH radical is presented in a turbulent nonpremixed methane-air flame. Sequences of up to eight successive PLIF images could be resolved sequentially at several kHz repetition rates. Turbulent flow phenomena such as vortex formation and air entrainment in the flow could be visualised and their development tracked in real time. Turbulence=chemistry interactions such as local extinction and re-ignition and their temporal evolution can be studied with the presented system.

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