| Zugriffsnummer | 44704 |
| Dokumenttyp | Konferenzartikel |
| Peer Review | unbekannt |
| Sprache | Englisch |
| Titel | New aspects of the ignition of burnable gas mixtures by low-energy electrical discharges |
| Autor(in); Institution |
Essmann, Stefan; 3.5, Explosionsschutz in der Energietechnik, PTB-Braunschweig
Kummer, Johann-Robert; 3.5, Explosionsschutz in der Energietechnik, PTB-Braunschweig
Grosshans, Holger; 3.5, Explosionsschutz in der Energietechnik, PTB-Braunschweig
Markus, Detev; 3.5, Explosionsschutz in der Energietechnik, PTB-Braunschweig
Maas, Ulrich; Karlsruher Institut für Technologie (KIT), Institut für Technische Thermodynamik, Karlsruhe, GERMANY
|
| Quelle/Jahr | Proceedings of the 13th International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions (ISHPMIE 2020):(2020), 844 - 857 |
| Herausgeber(in) |
Physikalisch-Technische Bundesanstalt
|
| DOI | |
| Konferenzangaben | 13th International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions, Virtual Conference, 27-31, July, 2020 |
| Freie Schlagworte | ignition ; electrical discharge ; minimum ignition energy ; optical emission spectroscopy ; schlieren ; laser-induced fluorescence ; numerical simulation |
| Zusammenfassung | The ignition of combustible gas mixtures by electrical discharges can lead to catastrophic consequences. While this potential ignition source needs to be considered regularly, the prediction of ignitions by electrical discharges by numerical models is not yet feasible for practical systems. This study gives an overview of recent experimental work by means of optical emission spectroscopy, schlieren imaging, and laser-induced fluorescence of OH. Based on the results, a qualitative analysis of the energy balance in the ignition kernel is performed. Further, one-dimensional numerical simulations considering detailed chemical kinetics and detailed transport processes are performed. Through the combination of these techniques, a detailed view of the ignition process by electrical discharges close to the MIE is obtained. |
| Kostenfreier Zugang | Freier Zugang |
| Rechteinformation | CC BY-ND 4.0 ; Creative Commons Attribution NoDerivatives 4.0 License |
| Themenbereich der Metrologie | Physikalische Sicherheitstechnik, Explosionsschutz |
| Forschungsprojekt | FOR 1447: Physicochemical-based Models for the Prediction of safety-relevant Ignition Processes |
| Förderinformationen (1) |
Förderername: Deutsche Forschungsgemeinschaft (DFG)
Förderer ID: 0000 0001 2096 9829 Förderer ID Typ: ISNI Förderprogramm: Forschungsgruppe Titel der Förderung: FOR 1447: Physicochemical-based Models for the Prediction of safety-relevant Ignition Processes Förderungsnummer: 163557763 URI der Förderung: http://gepris.dfg.de/gepris/projekt/163557763 |
Zitierung
Essmann, S., Kummer, J.-R., Grosshans, H., Markus, D., & Maas, U. (2020). New aspects of the ignition of burnable gas mixtures by low-energy electrical discharges. 13th International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions, Virtual Conference, 27-31, July, 2020. https://doi.org/10.7795/810.20200724