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International Journal of Energy for a Clean Environment

Publicado 8 números por año

ISSN Imprimir: 2150-3621

ISSN En Línea: 2150-363X

SJR: 0.597 SNIP: 1.456 CiteScore™:: 3.7 H-Index: 18

Indexed in

DILUTION EFFECTS IN NATURAL GAS MILD COMBUSTION

Volumen 7, Edición 2, 2006, pp. 127-139
DOI: 10.1615/InterJEnerCleanEnv.v7.i2.30
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SINOPSIS

The mild combustion conditions, i.e., high reactant preheating and dilution level, yield a high efficiency relying on an increase in thermal energy transfer and drastic reduction of pollutant emissions. In this work, an experimental characterization of methane oxidation in mild conditions was carried out in a simple laboratory-scale system as a function of dilution level, C/O ratio, and inlet temperature. The framework outlined by the experimental analyses underlines that extreme working conditions, very different from the ones used in traditional combustion processes, can lead to a very complex system behavior. Several thermokinetic regimes corresponding to static and dynamic conditions were recognized. An accurate characterization of the dynamic region was performed, identifying several temperature oscillation typologies. On the basis of the obtained results, the range of reliability of mild combustion processes were defined. It was pointed out that the range of dynamic behavior can be overcome by splitting the whole combustion process into two stages, where the first one evolves in diluted rich conditions.

CITADO POR
  1. Bagheri Ghobad, Lavadera Marco Lubrano, Ranzi Eliseo, Pelucchi Matteo, Sabia Pino, de Joannon Mariarosaria, Parente Alessandro, Faravelli Tiziano, Thermochemical oscillation of methane MILD combustion diluted with N2/CO2/H2O, Combustion Science and Technology, 191, 1, 2019. Crossref

  2. Bagheri Ghobad, Ranzi Eliseo, Pelucchi Matteo, Parente Alessandro, Frassoldati Alessio, Faravelli Tiziano, Comprehensive kinetic study of combustion technologies for low environmental impact: MILD and OXY-fuel combustion of methane, Combustion and Flame, 212, 2020. Crossref

  3. Sabia P., Sorrentino G., Chinnici A., Cavaliere A., Ragucci R., Dynamic Behaviors in Methane MILD and Oxy-Fuel Combustion. Chemical Effect of CO2, Energy & Fuels, 29, 3, 2015. Crossref

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