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CFD simulations of Rapid Compression Machines using detailed chemistry : Impact of multi-dimensional effects on the auto-ignition of the iso-octane. / Bourgeois, Nicolas; Goldsborough, S. Scott; Vanhove, Guillaume; Duponcheel, Matthieu; Jeanmart, Hervé; Contino, Francesco.

In: Proceedings of the Combustion Institute, Vol. 36, No. 1, 01.01.2017, p. 383-391.

Research output: Contribution to journalArticleResearchpeer-review

Harvard

Bourgeois, N, Goldsborough, SS, Vanhove, G, Duponcheel, M, Jeanmart, H & Contino, F 2017, 'CFD simulations of Rapid Compression Machines using detailed chemistry: Impact of multi-dimensional effects on the auto-ignition of the iso-octane' Proceedings of the Combustion Institute, vol. 36, no. 1, pp. 383-391. https://doi.org/10.1016/j.proci.2016.08.064

APA

Bourgeois, N., Goldsborough, S. S., Vanhove, G., Duponcheel, M., Jeanmart, H., & Contino, F. (2017). CFD simulations of Rapid Compression Machines using detailed chemistry: Impact of multi-dimensional effects on the auto-ignition of the iso-octane. Proceedings of the Combustion Institute, 36(1), 383-391. https://doi.org/10.1016/j.proci.2016.08.064

Vancouver

Bourgeois N, Goldsborough SS, Vanhove G, Duponcheel M, Jeanmart H, Contino F. CFD simulations of Rapid Compression Machines using detailed chemistry: Impact of multi-dimensional effects on the auto-ignition of the iso-octane. Proceedings of the Combustion Institute. 2017 Jan 1;36(1):383-391. https://doi.org/10.1016/j.proci.2016.08.064

Author

Bourgeois, Nicolas ; Goldsborough, S. Scott ; Vanhove, Guillaume ; Duponcheel, Matthieu ; Jeanmart, Hervé ; Contino, Francesco. / CFD simulations of Rapid Compression Machines using detailed chemistry : Impact of multi-dimensional effects on the auto-ignition of the iso-octane. In: Proceedings of the Combustion Institute. 2017 ; Vol. 36, No. 1. pp. 383-391.

BibTeX

@article{b52680358ee8425c8a896569012bd6bc,
title = "CFD simulations of Rapid Compression Machines using detailed chemistry: Impact of multi-dimensional effects on the auto-ignition of the iso-octane",
abstract = "In Rapid Compression Machines (RCM), several phenomena can induce inhomogeneities inside the reaction chamber. The benefits of using a creviced piston have been largely demonstrated through good agreement with the widely used adiabatic core assumption. Still, temperature inhomogeneities due to wall heat transfer cannot be avoided. These induce spatial variations in terms of chemical composition, potentially affecting the auto-ignition process. Mass transfer to the crevices during two-stage ignition is also a phenomenon that can influence the ignition process. In this study, we quantify the impact of multi-dimensional effects on the auto-ignition of the iso-octane by comparing 0-D and RANS simulations of the Argonne RCM. A detailed kinetic mechanism is employed, which makes this study the first to couple an accurate description of both the physical and chemical phenomena in an RCM context for such a complex fuel. It is found that the influence of the inhomogeneities on the ignition delay is globally marginal except for the lowest temperature condition explored where the diffusive transport of intermediate species and radicals plays a key role. The effect of mass transfer to the crevices does not affect significantly the auto-ignition delay under the test conditions. The sensitivity of the results to the turbulence level is also assessed and the results indicate that turbulence may only exert a minor influence on the auto-ignition delay. Comparison with the experimental data is good, and RANS simulation results are similar to those of the 0-D simulations.",
keywords = "CFD, Detailed chemistry, Iso-octane, Rapid Compression Machine",
author = "Nicolas Bourgeois and Goldsborough, {S. Scott} and Guillaume Vanhove and Matthieu Duponcheel and Herv{\'e} Jeanmart and Francesco Contino",
year = "2017",
month = "1",
day = "1",
doi = "10.1016/j.proci.2016.08.064",
language = "English",
volume = "36",
pages = "383--391",
journal = "Proceedings of the Combustion Institute",
issn = "1540-7489",
publisher = "Elsevier Limited",
number = "1",

}

RIS

TY - JOUR

T1 - CFD simulations of Rapid Compression Machines using detailed chemistry

T2 - Impact of multi-dimensional effects on the auto-ignition of the iso-octane

AU - Bourgeois, Nicolas

AU - Goldsborough, S. Scott

AU - Vanhove, Guillaume

AU - Duponcheel, Matthieu

AU - Jeanmart, Hervé

AU - Contino, Francesco

PY - 2017/1/1

Y1 - 2017/1/1

N2 - In Rapid Compression Machines (RCM), several phenomena can induce inhomogeneities inside the reaction chamber. The benefits of using a creviced piston have been largely demonstrated through good agreement with the widely used adiabatic core assumption. Still, temperature inhomogeneities due to wall heat transfer cannot be avoided. These induce spatial variations in terms of chemical composition, potentially affecting the auto-ignition process. Mass transfer to the crevices during two-stage ignition is also a phenomenon that can influence the ignition process. In this study, we quantify the impact of multi-dimensional effects on the auto-ignition of the iso-octane by comparing 0-D and RANS simulations of the Argonne RCM. A detailed kinetic mechanism is employed, which makes this study the first to couple an accurate description of both the physical and chemical phenomena in an RCM context for such a complex fuel. It is found that the influence of the inhomogeneities on the ignition delay is globally marginal except for the lowest temperature condition explored where the diffusive transport of intermediate species and radicals plays a key role. The effect of mass transfer to the crevices does not affect significantly the auto-ignition delay under the test conditions. The sensitivity of the results to the turbulence level is also assessed and the results indicate that turbulence may only exert a minor influence on the auto-ignition delay. Comparison with the experimental data is good, and RANS simulation results are similar to those of the 0-D simulations.

AB - In Rapid Compression Machines (RCM), several phenomena can induce inhomogeneities inside the reaction chamber. The benefits of using a creviced piston have been largely demonstrated through good agreement with the widely used adiabatic core assumption. Still, temperature inhomogeneities due to wall heat transfer cannot be avoided. These induce spatial variations in terms of chemical composition, potentially affecting the auto-ignition process. Mass transfer to the crevices during two-stage ignition is also a phenomenon that can influence the ignition process. In this study, we quantify the impact of multi-dimensional effects on the auto-ignition of the iso-octane by comparing 0-D and RANS simulations of the Argonne RCM. A detailed kinetic mechanism is employed, which makes this study the first to couple an accurate description of both the physical and chemical phenomena in an RCM context for such a complex fuel. It is found that the influence of the inhomogeneities on the ignition delay is globally marginal except for the lowest temperature condition explored where the diffusive transport of intermediate species and radicals plays a key role. The effect of mass transfer to the crevices does not affect significantly the auto-ignition delay under the test conditions. The sensitivity of the results to the turbulence level is also assessed and the results indicate that turbulence may only exert a minor influence on the auto-ignition delay. Comparison with the experimental data is good, and RANS simulation results are similar to those of the 0-D simulations.

KW - CFD

KW - Detailed chemistry

KW - Iso-octane

KW - Rapid Compression Machine

UR - http://www.scopus.com/inward/record.url?scp=85006320825&partnerID=8YFLogxK

U2 - 10.1016/j.proci.2016.08.064

DO - 10.1016/j.proci.2016.08.064

M3 - Article

VL - 36

SP - 383

EP - 391

JO - Proceedings of the Combustion Institute

JF - Proceedings of the Combustion Institute

SN - 1540-7489

IS - 1

ER -

ID: 28609978