The effect of the strain rate on PAH/soot formation in laminar counterflow diffusion flames

V. Huijnen; A.V. Evlampiev; L.M.T. Somers; R.S.G. Baert; L.P.H. Goey, de

doi:10.1080/00102200903236142

The effect of the strain rate on PAH/soot formation in laminar counterflow diffusion flames

V. Huijnen, A.V. Evlampiev, L.M.T. Somers, R.S.G. Baert, L.P.H. Goey, de

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Abstract

PAH/soot has been modeled in two types of laminar counterflow diffusion flames using a detailed reaction mechanism based on the sectional method. The two flames differ mainly by their fuel type: ethylene versus benzene. Their sensitivity to the strain rate is analyzed with respect to the total PAH/soot mass density and number density, as well as the particle size distribution function. A strong sensitivity to these parameters has been confirmed, in line with experimental data. The chemical production rates of the first two moments of the PAH/soot particle size distribution functions are found to be a moderate function of the strain rate. These observations are explained by a scaling analysis. The current application of the detailed mechanism in different diffusion type of flames gives valuable information on its width of applicability, and can be used for the optimization of the model parameters.

Original language	English
Pages (from-to)	103-123
Journal	Combustion Science and Technology
Volume	182
Issue number	2
DOIs	https://doi.org/10.1080/00102200903236142
Publication status	Published - 2010

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abstract = "PAH/soot has been modeled in two types of laminar counterflow diffusion flames using a detailed reaction mechanism based on the sectional method. The two flames differ mainly by their fuel type: ethylene versus benzene. Their sensitivity to the strain rate is analyzed with respect to the total PAH/soot mass density and number density, as well as the particle size distribution function. A strong sensitivity to these parameters has been confirmed, in line with experimental data. The chemical production rates of the first two moments of the PAH/soot particle size distribution functions are found to be a moderate function of the strain rate. These observations are explained by a scaling analysis. The current application of the detailed mechanism in different diffusion type of flames gives valuable information on its width of applicability, and can be used for the optimization of the model parameters.",

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AU - Huijnen, V.

AU - Evlampiev, A.V.

AU - Somers, L.M.T.

AU - Baert, R.S.G.

AU - Goey, de, L.P.H.

PY - 2010

Y1 - 2010

N2 - PAH/soot has been modeled in two types of laminar counterflow diffusion flames using a detailed reaction mechanism based on the sectional method. The two flames differ mainly by their fuel type: ethylene versus benzene. Their sensitivity to the strain rate is analyzed with respect to the total PAH/soot mass density and number density, as well as the particle size distribution function. A strong sensitivity to these parameters has been confirmed, in line with experimental data. The chemical production rates of the first two moments of the PAH/soot particle size distribution functions are found to be a moderate function of the strain rate. These observations are explained by a scaling analysis. The current application of the detailed mechanism in different diffusion type of flames gives valuable information on its width of applicability, and can be used for the optimization of the model parameters.

AB - PAH/soot has been modeled in two types of laminar counterflow diffusion flames using a detailed reaction mechanism based on the sectional method. The two flames differ mainly by their fuel type: ethylene versus benzene. Their sensitivity to the strain rate is analyzed with respect to the total PAH/soot mass density and number density, as well as the particle size distribution function. A strong sensitivity to these parameters has been confirmed, in line with experimental data. The chemical production rates of the first two moments of the PAH/soot particle size distribution functions are found to be a moderate function of the strain rate. These observations are explained by a scaling analysis. The current application of the detailed mechanism in different diffusion type of flames gives valuable information on its width of applicability, and can be used for the optimization of the model parameters.

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DO - 10.1080/00102200903236142

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JO - Combustion Science and Technology

JF - Combustion Science and Technology

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The effect of the strain rate on PAH/soot formation in laminar counterflow diffusion flames

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