NO/NO2 concentration of direct injection stratified combustion under constant volume condition fuelled by compressed natural gas and gasoline

Z. Huang; S. Shiga; T. Ueda; H. Nakamura; T. Ishima; T. Obokata; M. Tsue; M. Kono

doi:10.1243/095440703769683333

NO/NO₂ concentration of direct injection stratified combustion under constant volume condition fuelled by compressed natural gas and gasoline

Z. Huang
, S. Shiga
, T. Ueda
, H. Nakamura
, T. Ishima
, T. Obokata
, M. Tsue
, M. Kono

School of Energy and Power Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

The concentrations of NO, NO₂ and NO_x for direct injection (DI) combustion were analysed on the basis of experimental data by using a rapid compression machine fuelled with compressed natural gas (CNG) and gasoline. The analysis showed that the maximum values of NO and NO₂ for stratified combustion would shift to a smaller overall equivalence ratio than that of homogeneous mixture combustion, and this phenomenon was more obvious for gasoline stratified combustion. The NO_x concentration drops to a very low level at the stoichiometric equivalence ratio but still remains relatively high at an equivalence ratio of 0.6 in the case of stratified combustion. The ratio of NO₂/NO_x increased with decreasing equivalence ratio. A high ratio of NO₂/NO_x was observed in the constant-volume combustion experimental study which differs from that of an engine. This was caused by the long residence time of NO at high temperature after combustion, leading to the conversion of more NO into NO₂.

Original language	English
Pages (from-to)	935-941
Number of pages	7
Journal	Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
Volume	217
Issue number	10
DOIs	https://doi.org/10.1243/095440703769683333
State	Published - 2003

Keywords

Constant-volume combustion
Gasoline
NO
NO
Natural gas

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10.1243/095440703769683333

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Huang, Z., Shiga, S., Ueda, T., Nakamura, H., Ishima, T., Obokata, T., Tsue, M., & Kono, M. (2003). NO/NO₂ concentration of direct injection stratified combustion under constant volume condition fuelled by compressed natural gas and gasoline. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 217(10), 935-941. https://doi.org/10.1243/095440703769683333

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title = "NO/NO2 concentration of direct injection stratified combustion under constant volume condition fuelled by compressed natural gas and gasoline",

abstract = "The concentrations of NO, NO2 and NOx for direct injection (DI) combustion were analysed on the basis of experimental data by using a rapid compression machine fuelled with compressed natural gas (CNG) and gasoline. The analysis showed that the maximum values of NO and NO2 for stratified combustion would shift to a smaller overall equivalence ratio than that of homogeneous mixture combustion, and this phenomenon was more obvious for gasoline stratified combustion. The NOx concentration drops to a very low level at the stoichiometric equivalence ratio but still remains relatively high at an equivalence ratio of 0.6 in the case of stratified combustion. The ratio of NO2/NOx increased with decreasing equivalence ratio. A high ratio of NO2/NOx was observed in the constant-volume combustion experimental study which differs from that of an engine. This was caused by the long residence time of NO at high temperature after combustion, leading to the conversion of more NO into NO2.",

keywords = "Constant-volume combustion, Gasoline, NO, NO, Natural gas",

author = "Z. Huang and S. Shiga and T. Ueda and H. Nakamura and T. Ishima and T. Obokata and M. Tsue and M. Kono",

year = "2003",

doi = "10.1243/095440703769683333",

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journal = "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering",

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Huang, Z, Shiga, S, Ueda, T, Nakamura, H, Ishima, T, Obokata, T, Tsue, M & Kono, M 2003, 'NO/NO₂ concentration of direct injection stratified combustion under constant volume condition fuelled by compressed natural gas and gasoline', Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, vol. 217, no. 10, pp. 935-941. https://doi.org/10.1243/095440703769683333

NO/NO₂ concentration of direct injection stratified combustion under constant volume condition fuelled by compressed natural gas and gasoline. / Huang, Z.; Shiga, S.; Ueda, T. et al.
In: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, Vol. 217, No. 10, 2003, p. 935-941.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - NO/NO2 concentration of direct injection stratified combustion under constant volume condition fuelled by compressed natural gas and gasoline

AU - Huang, Z.

AU - Shiga, S.

AU - Ueda, T.

AU - Nakamura, H.

AU - Ishima, T.

AU - Obokata, T.

AU - Tsue, M.

AU - Kono, M.

PY - 2003

Y1 - 2003

N2 - The concentrations of NO, NO2 and NOx for direct injection (DI) combustion were analysed on the basis of experimental data by using a rapid compression machine fuelled with compressed natural gas (CNG) and gasoline. The analysis showed that the maximum values of NO and NO2 for stratified combustion would shift to a smaller overall equivalence ratio than that of homogeneous mixture combustion, and this phenomenon was more obvious for gasoline stratified combustion. The NOx concentration drops to a very low level at the stoichiometric equivalence ratio but still remains relatively high at an equivalence ratio of 0.6 in the case of stratified combustion. The ratio of NO2/NOx increased with decreasing equivalence ratio. A high ratio of NO2/NOx was observed in the constant-volume combustion experimental study which differs from that of an engine. This was caused by the long residence time of NO at high temperature after combustion, leading to the conversion of more NO into NO2.

AB - The concentrations of NO, NO2 and NOx for direct injection (DI) combustion were analysed on the basis of experimental data by using a rapid compression machine fuelled with compressed natural gas (CNG) and gasoline. The analysis showed that the maximum values of NO and NO2 for stratified combustion would shift to a smaller overall equivalence ratio than that of homogeneous mixture combustion, and this phenomenon was more obvious for gasoline stratified combustion. The NOx concentration drops to a very low level at the stoichiometric equivalence ratio but still remains relatively high at an equivalence ratio of 0.6 in the case of stratified combustion. The ratio of NO2/NOx increased with decreasing equivalence ratio. A high ratio of NO2/NOx was observed in the constant-volume combustion experimental study which differs from that of an engine. This was caused by the long residence time of NO at high temperature after combustion, leading to the conversion of more NO into NO2.

KW - Constant-volume combustion

KW - Gasoline

KW - NO

KW - Natural gas

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DO - 10.1243/095440703769683333

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SN - 0954-4070

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JO - Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering

JF - Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering

IS - 10

ER -

NO/NO₂ concentration of direct injection stratified combustion under constant volume condition fuelled by compressed natural gas and gasoline

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