Experimental and modeling study of formaldehyde combustion in flames
作者： Véronique Dias , Catherine Duynslaegher , Francesco Contino , Jacques Vandooren , Hervé Jeanmart
DOI: 10.1016/J.COMBUSTFLAME.2012.01.006
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摘要: Abstract The increased use of alcohols in internal combustion engines has driven the attention to formaldehyde emissions. Yet experimental database on flames is limited. structures two have been investigated at low pressure (30 mbar) using a molecular beam sampling coupled with mass spectrometer. initial compositions are for lean flame ( ϕ = 0.22): 18% CH 2 O and 82% , stoichiometric one = 1.09): 17.7% O, 16.3% 66.0% Ar. A kinetic model, previously elaborated, improved by building complete submechanism taking into account formation consumption species involved combustion. mechanism contains 107 chemical 568 reactions order simulate these accurately. reliability this model also tested ethanol acetaldehyde flames. This allows extension its validity range.
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