The effect of elevated pressures on the laminar burning velocity of methane + air mixtures

M. Goswami, S.C.R. Derks, K. Coumans, W.J. Slikker, M.H. Andrade Oliveira, de, R.J.M. Bastiaans, C.C.M. Luijten, L.P.H. Goey, de, A.A. Konnov

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

In spite of the large amount of research spent on the evaluation of the high pressure dependence of laminar burning velocity of methane + air flame, there still exists a large uncertainty in the data for various reasons. In order to reduce the scatter to acceptable levels, the Heat Flux Method (HFM), known as a potential method with high accuracy, has been extended to higher pressures. New measurements of the laminar burning velocity of methane + air flames are presented. Non-stretched planar flames were stabilized on a perforated plate burner which was placed in a high pressure environment. The experimental results are reported for a pressure range between 1 and 5 atm. The equivalence ratio was varied from 0.8 to 1.4. Comparisons with several recent literature sources (experiments) show good agreement. An exhaustive literature survey was performed to study the numerous existing laminar burning velocity correlations for its pressure dependence. It is indicated from the literature that many of the deduced correlations use stretched laminar burning velocity results. Many used only few data points for the pressure behavior and correlations and therefore show wide discrepancies. As the heat flux method furnishes quality results with reduced errors, the results were further utilized in deducing a power-law pressure dependence. Numerical simulations were also performed using two widely used chemical reaction mechanisms, which were further involved in comparing correlations. The proposed power exponent ß1 shows a non-monotonic behavior at equivalence ratio around 1.4 in experiments and simulations. Through species and reaction flux analysis it was observed that CH3 consumption through various reactions remain pressure dependent and show non-monotonic behavior at equivalence ratio around 1.4.
LanguageEnglish
Pages1627-1635
Number of pages9
JournalCombustion and Flame
Volume160
Issue number9
DOIs
StatePublished - 2013

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Methane
methane
pressure dependence
equivalence
flames
air
Air
heat flux
perforated plates
burners
Heat flux
chemical reactions
simulation
exponents
Perforated plates
evaluation
Fuel burners
Chemical reactions
Experiments
Fluxes

Cite this

Goswami, M., Derks, S. C. R., Coumans, K., Slikker, W. J., Andrade Oliveira, de, M. H., Bastiaans, R. J. M., ... Konnov, A. A. (2013). The effect of elevated pressures on the laminar burning velocity of methane + air mixtures. Combustion and Flame, 160(9), 1627-1635. DOI: 10.1016/j.combustflame.2013.03.032
Goswami, M. ; Derks, S.C.R. ; Coumans, K. ; Slikker, W.J. ; Andrade Oliveira, de, M.H. ; Bastiaans, R.J.M. ; Luijten, C.C.M. ; Goey, de, L.P.H. ; Konnov, A.A./ The effect of elevated pressures on the laminar burning velocity of methane + air mixtures. In: Combustion and Flame. 2013 ; Vol. 160, No. 9. pp. 1627-1635
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Goswami, M, Derks, SCR, Coumans, K, Slikker, WJ, Andrade Oliveira, de, MH, Bastiaans, RJM, Luijten, CCM, Goey, de, LPH & Konnov, AA 2013, 'The effect of elevated pressures on the laminar burning velocity of methane + air mixtures' Combustion and Flame, vol. 160, no. 9, pp. 1627-1635. DOI: 10.1016/j.combustflame.2013.03.032

The effect of elevated pressures on the laminar burning velocity of methane + air mixtures. / Goswami, M.; Derks, S.C.R.; Coumans, K.; Slikker, W.J.; Andrade Oliveira, de, M.H.; Bastiaans, R.J.M.; Luijten, C.C.M.; Goey, de, L.P.H.; Konnov, A.A.

In: Combustion and Flame, Vol. 160, No. 9, 2013, p. 1627-1635.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - The effect of elevated pressures on the laminar burning velocity of methane + air mixtures

AU - Goswami,M.

AU - Derks,S.C.R.

AU - Coumans,K.

AU - Slikker,W.J.

AU - Andrade Oliveira, de,M.H.

AU - Bastiaans,R.J.M.

AU - Luijten,C.C.M.

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

AU - Konnov,A.A.

PY - 2013

Y1 - 2013

N2 - In spite of the large amount of research spent on the evaluation of the high pressure dependence of laminar burning velocity of methane + air flame, there still exists a large uncertainty in the data for various reasons. In order to reduce the scatter to acceptable levels, the Heat Flux Method (HFM), known as a potential method with high accuracy, has been extended to higher pressures. New measurements of the laminar burning velocity of methane + air flames are presented. Non-stretched planar flames were stabilized on a perforated plate burner which was placed in a high pressure environment. The experimental results are reported for a pressure range between 1 and 5 atm. The equivalence ratio was varied from 0.8 to 1.4. Comparisons with several recent literature sources (experiments) show good agreement. An exhaustive literature survey was performed to study the numerous existing laminar burning velocity correlations for its pressure dependence. It is indicated from the literature that many of the deduced correlations use stretched laminar burning velocity results. Many used only few data points for the pressure behavior and correlations and therefore show wide discrepancies. As the heat flux method furnishes quality results with reduced errors, the results were further utilized in deducing a power-law pressure dependence. Numerical simulations were also performed using two widely used chemical reaction mechanisms, which were further involved in comparing correlations. The proposed power exponent ß1 shows a non-monotonic behavior at equivalence ratio around 1.4 in experiments and simulations. Through species and reaction flux analysis it was observed that CH3 consumption through various reactions remain pressure dependent and show non-monotonic behavior at equivalence ratio around 1.4.

AB - In spite of the large amount of research spent on the evaluation of the high pressure dependence of laminar burning velocity of methane + air flame, there still exists a large uncertainty in the data for various reasons. In order to reduce the scatter to acceptable levels, the Heat Flux Method (HFM), known as a potential method with high accuracy, has been extended to higher pressures. New measurements of the laminar burning velocity of methane + air flames are presented. Non-stretched planar flames were stabilized on a perforated plate burner which was placed in a high pressure environment. The experimental results are reported for a pressure range between 1 and 5 atm. The equivalence ratio was varied from 0.8 to 1.4. Comparisons with several recent literature sources (experiments) show good agreement. An exhaustive literature survey was performed to study the numerous existing laminar burning velocity correlations for its pressure dependence. It is indicated from the literature that many of the deduced correlations use stretched laminar burning velocity results. Many used only few data points for the pressure behavior and correlations and therefore show wide discrepancies. As the heat flux method furnishes quality results with reduced errors, the results were further utilized in deducing a power-law pressure dependence. Numerical simulations were also performed using two widely used chemical reaction mechanisms, which were further involved in comparing correlations. The proposed power exponent ß1 shows a non-monotonic behavior at equivalence ratio around 1.4 in experiments and simulations. Through species and reaction flux analysis it was observed that CH3 consumption through various reactions remain pressure dependent and show non-monotonic behavior at equivalence ratio around 1.4.

U2 - 10.1016/j.combustflame.2013.03.032

DO - 10.1016/j.combustflame.2013.03.032

M3 - Article

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SP - 1627

EP - 1635

JO - Combustion and Flame

T2 - Combustion and Flame

JF - Combustion and Flame

SN - 0010-2180

IS - 9

ER -

Goswami M, Derks SCR, Coumans K, Slikker WJ, Andrade Oliveira, de MH, Bastiaans RJM et al. The effect of elevated pressures on the laminar burning velocity of methane + air mixtures. Combustion and Flame. 2013;160(9):1627-1635. Available from, DOI: 10.1016/j.combustflame.2013.03.032