- LSF ID
- 61800
- Sonstiges
- der Hochschule zugeordnete*r Autor*in
- LSF ID
- 57823
- ORCID
- 0000-0003-2329-4868
- Sonstiges
- der Hochschule zugeordnete*r Autor*in
- LSF ID
- 11896
- Sonstiges
- der Hochschule zugeordnete*r Autor*in
- LSF ID
- 1635
- ORCID
- 0000-0003-0390-1106
- Sonstiges
- der Hochschule zugeordnete*r Autor*in
- LSF ID
- 1610
- Sonstiges
- der Hochschule zugeordnete*r Autor*in
- LSF ID
- 15728
- ORCID
- 0000-0001-6761-1808
- Sonstiges
- der Hochschule zugeordnete*r Autor*in
- GND
- 1148037985
- LSF ID
- 48807
- ORCID
- 0000-0002-6879-4826
- Sonstiges
- der Hochschule zugeordnete*r Autor*in
- Sonstiges
- korrespondierende*r Autor*in
Abstract in Englisch:
The reaction between Fe atoms and O₂ in a mixture of iron-pentacarbonyl (IPC, 2 ppm) and oxygen (100 ppm), diluted in argon, has been studied in a shock tube behind reflected shock waves over the temperature and pressure ranges of 1050–3400 K and 0.7–2.0 bar. Time-resolved measurements of Fe and FeO have been performed simultaneously using a combination of atomic resonance absorption spectroscopy (ARAS) and intracavity laser absorption spectroscopy (ICAS) with a custom-made broadband dye laser, respectively. For ICAS, absorption features in the spectral range from 16,316 to 16,353 cm−¹ have been evaluated, and the oscillator strengths for all 41 assigned ro-vibronic transitions have been expressed. For most of the experimental cases, the measured Fe and FeO traces agreed well with the mechanism reported in this work. The quantitative and highly-sensitive measurements revealed the presence of FeO at temperatures below 1400 K, leading to a reconsideration of rate coefficients for different Fe oxidation channels.