4.6 Article

Simultaneous high-speed imaging of temperature, heat-release rate, and multi-species concentrations in turbulent jet flames

Journal

OPTICS EXPRESS
Volume 27, Issue 12, Pages 17017-17026

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.27.017017

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Funding

  1. Air Force Research Laboratory (AFRL) [FA8650-16-C-2725, FA8650-15-D-2518]
  2. Air Force Office of Scientific Research (AFOSR) LRIR [14RQ06COR]

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We report the high-speed imaging of multi-species and multi-parameter combustion diagnostics for turbulent non-premixed jet flames using a three-legged burst-mode laser system. Simultaneous OH/CH2O planar laser-induced fluorescence and Rayleigh-scattering imaging measurements at a 10-kHz rate are obtained. OH and CH2O concentrations, flame temperatures, and heat-release rates are simultaneously acquired in twodimensions at 10 kHz. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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