An experimental and modeling investigation of the combustion of anisole and guaiacol
Résumé
Anisole and guaiacol are both used as surrogates for lignin-derived biofuel. However, while the oxidation reaction mechanisms of anisole can be validated against a large set of experimental data, experimental measurements and models for guaiacol are limited. In this context, in addition to measuring adiabatic laminar burning velocities of both fuels using a flat flame burner, the oxidation of guaiacol was investigated at temperatures between 600 and 925 K. A near-atmospheric pressure jet–stirred reactor was used for three equivalence ratios (0.5, 1 and 2) with a high helium dilution. The experiments yielded mole fractions of 22 reaction products, among which two new species, benzodioxole and benzodioxole-2-one, were identified. All the measurements made in this work, along with extensive literature data on anisole, were compared with the predictions of a newly developed kinetic model. A good agreement was found between kinetic modeling and experiments, showing improved prediction for some species relative to the existing literature guaiacol oxidation models. Flow-rate analyses are also discussed both in flames and in the jet-stirred reactor, especially focusing on the formation of the newly detected products.
Fichier principal
Publi Fuel-Guaicol Anisole-revised.pdf (1.86 Mo)
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COLIBRI_mech_v2.pdf (1.18 Mo)
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COLIBRI_thermo_v2.pdf (341.33 Ko)
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COLIBRI_tran_v2.pdf (119.01 Ko)
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Exp Data.xlsx (29.2 Ko)
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List of new and removed reactions.xlsx (10.74 Ko)
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Supplementary Material.pdf (2.8 Mo)
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