| Autor: |
Michal Fedoryk, Björn Stelzner, Stefan Harth, Dimosthenis Trimis |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
|
| Zdroj: |
Applications in Energy and Combustion Science, Vol 13, Iss , Pp 100111- (2023) |
| Druh dokumentu: |
article |
| ISSN: |
2666-352X |
| DOI: |
10.1016/j.jaecs.2022.100111 |
| Popis: |
This paper presents the results of experimental measurements of the laminar burning velocity of iron-air-flames in a model tube burner. Carbonyl iron powder with an average Sauter diameter of about 13 µm was mixed with air at ambient temperature and pressure in an air knife seeder and fed to the tube burner. An iron-air-flame was stabilised without additional fuel, air preheating, increasing the amount of oxygen in the gas phase, or pilot flame. The diameter distribution of the used iron powder was determined under operating conditions. The conical flames were visualised with a camera at short exposure times. The images were used to extract the local angle of the flames. In addition, Particle Imaging Velocimetry was applied to determine the local gas phase and particle velocities at the burner outlet. The local velocity and the local flame angle were used to determine the laminar burning velocity of the iron-air flames. The results show that the laminar burning velocity is about 14 cm/s for the experimental conditions studied and no dependency of the global equivalence ratio or the mean inlet velocity on the laminar burning velocity were found for the investigated conditions. The results are in good agreement with literature data. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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