Multi-scalar and velocity measurements in a turbulent bluff-body flame using spectral fitting of Spontaneous Raman Scattering and PIV - Complexe de recherche interprofessionnel en aerothermochimie Accéder directement au contenu
Communication Dans Un Congrès Année : 2019

Multi-scalar and velocity measurements in a turbulent bluff-body flame using spectral fitting of Spontaneous Raman Scattering and PIV

Résumé

The objective of this study is to experimentally investigate the complex shear and mixing layers of the recirculation zone at the exit of a canonical bluff-body burner by spontaneous Raman scattering and PIV, in order to have a deeper understanding of combustion mechanisms that lead to the stabilization of the flame. Temperature and multi-species number density profiles across the recirculation zone of the bluff-body burner are compared with velocity fields measured by PIV and flame imaging to identify the specific features of the flame in the recirculation zone consisting in eddies of partially burnt gas and a diffusion flame of CO close to the annular air flow.
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Dates et versions

hal-02115011 , version 1 (30-04-2019)

Identifiants

  • HAL Id : hal-02115011 , version 1

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Florestan Guichard, Nelson Valdez, Pascal Boubert, David Honoré, Corine Lacour, et al.. Multi-scalar and velocity measurements in a turbulent bluff-body flame using spectral fitting of Spontaneous Raman Scattering and PIV. European Combustion Meeting 2019, Apr 2019, Lisbon, Portugal. ⟨hal-02115011⟩
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