An Experimental Kinetics Study of Isopropanol Pyrolysis and Oxidation behind Reflected Shock Waves
Abstract
:1. Introduction
2. Experimental Methods
2.1. Shock Tubes
2.2. Optical Diagnostics
2.3. Modeling
3. Results
3.1. Pyrolysis
3.2. Oxidation
3.3. Ignition Delay Time
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Mixture Composition (% mol) | Conditions | ||||||
---|---|---|---|---|---|---|---|
Mix | iC3H7OH | O2 | Diluent | ϕ | P5 (atm) | T5 (K) | Measurement |
1 | 0.75% | N/A | 99.25% Ar | Inf. | 1.42 ± 0.10 | 1127–2162 | Water Abs. |
2 | 0.75% | N/A | 20.07% He + 79.18% Ar | Inf | 1.29 ± 0.09 | 1173–1669 | Water and CO Abs. |
3 | 0.05% | 0.45% | 20.11% He + 79.39% Ar | 0.5 | 1.28 ± 0.07 | 1341–1519 | |
4 | 0.09% | 0.41% | 20.08% He + 79.42% Ar | 1.0 | 1.25 ± 0.12 | 1416–1646 | |
5 | 0.09088% | 0.4112% | 99.7492% Ar | 1.0 | 1.36 ± 0.15 | 1419–2073 | |
6 | 0.1540% | 0.3444% | 20.0456% He + 79.456% Ar | 2.0 | 1.22 ± 0.06 | 1470–1728 | |
7 | 2.281% | 20.529% | 77.19% N2 | 0.5 | 10.2 ± 0.8 | 1068–1410 | OH* τign |
24.5 ± 3.4 | 995–1311 | ||||||
8 | 4.46% | 20.07% | 75.47% N2 | 1.0 | 10.2 ± 1.2 | 1022–1428 | |
26.5 ± 3.2 | 942–1186 |
Model | # Species | # Reactions | Year |
---|---|---|---|
AramcoMech 3.0 | 581 | 3037 | 2018 |
Li et al. | 156 | 1394 | 2019 |
Capriolo and Konnov | 161 | 1787 | 2020 |
Saggese et al. | 371 | 2318 | 2020 |
Model | A (s−1) | n | Ea (cal/mol) |
---|---|---|---|
Li et al. | 1.87 × 1038 | −6.8 | 81,200 |
AramcoMech 3.0 | 5.00 × 1013 | 0 | 68,000 |
Capriolo and Konnov | 5.00 × 1013 | 0 | 68,000 |
Saggese et al. | 8.52 × 106 | 2.12 | 60,935 |
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Cooper, S.P.; Grégoire, C.M.; Mohr, D.J.; Mathieu, O.; Alturaifi, S.A.; Petersen, E.L. An Experimental Kinetics Study of Isopropanol Pyrolysis and Oxidation behind Reflected Shock Waves. Energies 2021, 14, 6808. https://doi.org/10.3390/en14206808
Cooper SP, Grégoire CM, Mohr DJ, Mathieu O, Alturaifi SA, Petersen EL. An Experimental Kinetics Study of Isopropanol Pyrolysis and Oxidation behind Reflected Shock Waves. Energies. 2021; 14(20):6808. https://doi.org/10.3390/en14206808
Chicago/Turabian StyleCooper, Sean P., Claire M. Grégoire, Darryl J. Mohr, Olivier Mathieu, Sulaiman A. Alturaifi, and Eric L. Petersen. 2021. "An Experimental Kinetics Study of Isopropanol Pyrolysis and Oxidation behind Reflected Shock Waves" Energies 14, no. 20: 6808. https://doi.org/10.3390/en14206808