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Details van artikel 17 van 37 gevonden artikelen
| Titel: |
EFFECTS OF AIR CONTAMINATION ON THE COMBUSTION OF HYDROGEN—EFFECT OF NO AND NO2 ADDITION ON HYDROGEN IGNITION AND OXIDATION KINETICS |
| Auteur: |
Dayma, Guillaume Dagaut, Philippe |
| Verschenen in: |
Combustion science and technology |
| Paginering: | Jaargang 178 (2006) nr. 10-11 pagina's 1999-2024 |
| Jaar: |
2006-12-01 |
| Inhoud: |
New kinetic results for the oxidation of hydrogen in diluted conditions, perturbed by the addition of various concentrations of NO or NO2 were obtained in a jet-stirred reactor. The experiments were performed over the temperature range 700-1150 K, for pressures of 1 to 10 atm, and equivalence ratios from 0.1 to 2.5. The experiments were performed at fixed residence time, τ, and variable temperature. Sonic probe sampling at low pressure followed by on-line and off-line chemical analyses (gas chromatography and FTIR) were used to follow the reaction. A detailed kinetic modeling of the present experiments was performed using the proposed kinetic scheme. Further validations of this kinetic reaction mechanism were performed simulating the ignition of hydrogen-air and hydrogen-NOx-air mixtures, and the burning velocities of hydrogen-air mixtures. The present modeling results agreed well with the flame data and the ignition data of H2-air-NO mixtures but disagree with the mixtures containing NO2. The present results support the low literature value of the rate constant for the reaction of NO2 with H2 whereas a much higher rate constant is needed to fit the ignition delays of the H2-air-NO2 mixtures. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 17 van 37 gevonden artikelen
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