Experimental study of biogas combustion using a gas turbine configuration
Author(s) -
Yannick Lafay,
Benoît Taupin,
GUILLAUME MARTINS,
Gilles Cabot,
Bruno Renou,
Abdelkrim Boukhalfa
Publication year - 2007
Publication title -
experiments in fluids
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.01
H-Index - 122
eISSN - 1432-1114
pISSN - 0723-4864
DOI - 10.1007/s00348-007-0302-6
Subject(s) - combustion , combustor , premixed flame , laminar flow , materials science , laminar flame speed , biogas , flame speed , mechanics , combustion chamber , diffusion flame , flame structure , gas turbines , nuclear engineering , environmental science , chemistry , waste management , mechanical engineering , physics , organic chemistry , engineering
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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