Experimental study of biogas combustion using a gas turbine configuration

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 meas...

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Bibliographic Details
Published in:Experiments in fluids 2007-08, Vol.43 (2-3), p.395-410
Main Authors: LAFAY, Y, TAUPIN, B, MARTINS, G, CABOT, G, RENOU, B, BOUKHALFA, A
Format: Article
Language:English
Subjects:
Anemometry
Applied sciences
Biogas
Biomass
Combustion
Dynamics
Energy
Energy. Thermal use of fuels
Engineering Sciences
Engines and turbines
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Flame structure
Gas turbines
Instability
Natural energy
Reactive fluid environment
Stability
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Summary: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.
ISSN:0723-4864
1432-1114
DOI:10.1007/s00348-007-0302-6