Influence of Hydrogen and Deuterium on Flame Velocities of Dry Carbon Monoxide-Oxygen Mixtures
- 1 November 1957
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 27 (5) , 1118-1126
- https://doi.org/10.1063/1.1743943
Abstract
A constant pressure method employing a schlieren photographic technique was used to determine the space velocities of dry carbon monoxide‐oxygen mixtures with added hydrogen and deuterium. Flame velocities were obtained by using the data together with theoretical expansion ratios. The results are presented and correlated with current diffusion and thermal theories. Neither theory explains the velocity ratios adequately although better agreement is found with the diffusion theory than with the thermal theory. The velocity ratios depended strongly upon H and D atom diffusion. A simple mechanism is proposed for the combustion processes in which it is postulated that CO+O2+H2 flames are initiated by a hydrogen‐oxygen reaction.Keywords
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