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Measurements and modeling of ozone enhanced compression ignition in a rapid compression machine and optically-accessible engine
Technical Paper
2019-01-2254
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
For the present study, an ultraviolet light absorption diagnostic was used to measure O3 concentration during the compression stroke of a rapid compression machine and an optically-accessible research engine. Charge oxygen concentration, initial temperature, and equivalence ratio were varied; neat iso-octane was used for fueled experiments. Measurements were compared to single-zone chemical kinetic simulation results. Rapid thermally induced O3 decomposition was observed near top dead center. Ozone decomposition advanced when the charge temperature was increased, oxygen concentration was reduced, or fuel was added. While the model well-captures the experimental trends, for unfueled conditions the temporal prediction of O3 decomposition is generally too far retarded.
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Authors
- Nicolas Seignour - Laboratoire PRISME, Université d’Orléans, INSA CVL, 8 rue Lé
- Isaac Ekoto - Sandia National Laboratories, MS 9053, PO Box 969, Livermore
- Fabrice Foucher - Laboratoire PRISME, Université d’Orléans, INSA CVL, 8 rue Lé
- Bruno Moreau - Laboratoire PRISME, Université d’Orléans, INSA CVL, 8 rue Lé
Citation
Seignour, N., Ekoto, I., Foucher, F., and Moreau, B., "Measurements and modeling of ozone enhanced compression ignition in a rapid compression machine and optically-accessible engine," SAE Technical Paper 2019-01-2254, 2019, https://doi.org/10.4271/2019-01-2254.Data Sets - Support Documents
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