| Zugriffsnummer | 55817 |
| Dokumenttyp | Konferenzartikel |
| Sprache | Englisch |
| Titel | Tunable Diode Laser Absorption Spectroscopy for CO and NO Emission Analysis during iC3H7OH/H2 Blends Oxidation in Shock Tube and Pre-mixed Flames |
| Autor(in); Institution |
Wang, Guanyu; 3.3, Physikalische Chemie, PTB-Braunschweig
Bajrami, Julian; Leibniz Universität, Hannover, GERMANY
Dinkelacker, Friedrich; 3.3, Physikalische Chemie, PTB-Braunschweig
|
| Quelle/Jahr | 32. Deutscher Flammentag 2025, 15. - 17.09.2025, Paderborn:(2025), 86 - 95 |
| DOI | |
| Persistent Identifier | |
| Konferenzangaben | 32. Deutscher Flammentag 2025, Paderborn, 15-17, September, 2025, Deutschland |
| Freie Schlagworte | E-fuels ; isopropanol (iC3H7OH) ; CO emissions ; hydrogen (H2) |
| Zusammenfassung | The advancement of sustainable aviation relies on understanding the combustion characteristics of promising candidates like synthetic e-fuels; accordingly, this work focuses on blends of the e-fuel isopropanol (iC3H7OH) and hydrogen (H2). A new dataset was generated using Tunable Diode Laser Absorption Spectroscopy (TDLAS) across two complementary experimental setups. First, a shock tube was used to measure time-resolved carbon monoxide (CO) concentrations during the ignition of iC3H7OH/H2 mixtures (0-90% H2) at 1–2 atm and 1250–1850 K. Second, in-flame measurements of CO, nitric oxide (NO), and temperature were performed on a non-swirled burner using a blend of 90% H2 and 10% isopropanol under lean conditions (equivalence ratios of 0.47–0.61). Results show that while a kinetic model accurately predicts ignition delay times, it consistently overpredicts peak CO concentrations, and the potential kinetic sources for this discrepancy are discussed. Furthermore, in the burner experiments, 20-second recordings of in-flame data at each equivalence ratio were post-processed, with the resulting CO, NO, and temperature distributions plotted as box diagrams to quantify emission trends. Collectively, this work provides a comprehensive dataset that clarifies key chemical kinetic interactions and offers a quantitative basis for the refinement of chemical kinetic models. |
| Kostenfreier Zugang | Open Access Gold |
| Rechteinformation | CC BY 4.0 ; Creative Commons Attribution 4.0 License |
| Themenbereich der Metrologie | Metrologie in der Chemie und Stoffeigenschaften |
| Förderinformationen (1) |
Förderername: Deutsche Forschungsgemeinschaft (DFG)
Förderer ID: 0000 0001 2096 9829 Förderer ID Typ: ISNI Förderungsnummer: EXC 2163 |
Zitierung
Wang, G., Bajrami, J., Agarwal, S., Fernandes, R., Dinkelacker, F., & Shu, B. (2025). Tunable Diode Laser Absorption Spectroscopy for CO and NO Emission Analysis during iC₃H₇OH/H₂ Blends Oxidation in Shock Tube and Pre-mixed Flames. 32. Deutscher Flammentag 2025, Paderborn, 15-17, September, 2025, Deutschland. http://doi.org/10.17619/UNIPB/1-2488