Oxygen-distribution imaging with a novel two-tracer laser-induced fluorescence technique
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We introduce a new technique for imaging oxygen concentrations in fuel/air mixtures that takes advantage of the different responses of toluene and 3-pentanone to collisional quenching by molecular oxygen. Since laser-induced fluorescence signals from both tracers upon excitation at 248 nm are spectrally well separated, simultaneous detection is possible. The technique is first applied to instantaneous imaging in turbulent mixing processes of interacting seeded air and nitrogen flows.
- Oxygen-distribution imaging with a novel two-tracer laser-induced fluorescence technique
Applied Physics B
Volume 74, Issue 1 , pp 111-114
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- PACS: 32.50.+d; 42.62.-b; 47.40.Dc
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