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Details van artikel 144 van 243 gevonden artikelen
| Titel: |
NO2 Formation in the Mixing Region of Hot Burned Gas with Cool Air |
| Auteur: |
Sano, Taeko |
| Verschenen in: |
Combustion science and technology |
| Paginering: | Jaargang 38 (1984) nr. 3-4 pagina's 129-144 |
| Jaar: |
1984 |
| Inhoud: |
The conservation equations were solved numerically for the burned gas of methane-air and hydrogen-air to study the mechanism of NO2 formation in the mixing region of hot burned gases with surrounding cool air. The spatial distributions of temperature and species concentrations in the gas mixture were predicted in a laminar flow field at atmospheric pressure. In the mixing region, NO2, is shown to be produced through the reaction NO+HO2→NO2+OH and consumed through the reactions NO2+H→NO+OH and NO2+OH→NO+HO2, depending on the temperature and composition of burned gas. The NO2/NOx ratio in the mixing region decreases with a decrease in the burned gas temperature, and the NO2/NOx ratio for the burned gas of hydrogen-air is lower than that for the burned gas of methane-air at the same burned gas temperature. The NO2 formation in the mixing region also is shown to be affected by the temperature gradient in the mixing region and the concentration of active species such as H, OH and O as well as NO in the burned gas. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 144 van 243 gevonden artikelen
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