Experimental study of biogas combustion using a gas turbine configuration |
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| Authors: | Y Lafay B Taupin G Martins G Cabot B Renou A Boukhalfa |
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| Institution: | (1) CNRS UMR 6614, Université et INSA de ROUEN, Site universitaire du Madrillet, 76801 Saint Etienne du Rouvray, France |
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| Abstract: | The aim of the present work is to compare stability combustion domains, flame structures and dynamics between CH4/air flames and a biogas/air flames (issued from waste methanisation) in a lean gas turbine premixed combustion conditions.
Velocity profiles are obtained by Laser Doppler Anemometry measurements. CH* chemiluminescence measurements and temporal acquisition
of chamber pressure are performed in order to describe flame structure and instabilities. Changes in flame structure and dynamics
when fuel composition is varying are found to strongly depend on laminar flame speed. No clear correlation between the unstable
flame and the reaction zone penetration in the corner recirculation can be found. |
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