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1D single-shot multi-scalar measurements for turbulent flames: CO2 spontaneous Raman scattering

Abstract : Whether in-situ measurements of CO 2 are a key point for describing combustion process and its efficiency, yet they still challenging in high temperature reactive flows. This article presents the first steps to validate CO 2 measurements by Spontaneous Raman Scattering (SRS) using a spectral fitting method. Average and instantaneous Raman CO 2 spectra have been processed for number density measurements thanks to a new model for CO 2 SRS simulation at high temperature. Accuracy and uncertainties of CO 2 density number in simplified environment are analysed. These initial results highlight the potential of the SRS simulation fitting based diagnostic for CO 2 measurements in flames.
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Submitted on : Monday, December 16, 2019 - 2:43:13 PM
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  • HAL Id : hal-01863698, version 1

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Florestan Guichard, Hassan Ajrouche, Pascal Boubert, David Honoré, Armelle Cessou. 1D single-shot multi-scalar measurements for turbulent flames: CO2 spontaneous Raman scattering. 8th European Combustion Meeting, Apr 2017, Dubrovnik, France. ⟨hal-01863698⟩

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