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Reduced NO formation models for CFD simulations of MILD combustion

par Galletti, C.;Ferrarotti, Marco ;Parente, Alessandro ;Tognotti, L.
Référence International journal of hydrogen energy, 40, page (4884–4897)
Publication Publié, 2015

Article révisé par les pairs

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Résumé :

Two reduced kinetic models, incorporating thermal, N2O, NNH as well as HNO/NO2 intermediate routes, are proposed for The quick evaluation of NO emissions from MILD combustion of H2-enriched fuels through post-processing of Computational Fluid Dynamics simulations. The models were derived from a Rate Of Production Analysis carried out with two different detailed kinetic schemes. The models were tested using data from The Adelaide Jet in Hot Coflow burner fed with CH4/H2 mixture and operated with three different O2 contents. Very satisfactory predictions of in-flame NO measurements were achieved for The three cases, indicating a good applicability of The models across a wide range of MILD combustion conditions. Significant impact of The NNH intermediate path was observed.