Journal
JOURNAL DE PHYSIQUE IV
Volume 12, Issue PR7, Pages 445-452Publisher
E D P SCIENCES
DOI: 10.1051/jp4:20020314
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The present work reports experimental results on the determination of laminar flame velocities of hydrogen - air - diluent mixtures initially at 100 kPa and for 2 different initial temperatures 298 and 353 K. The diluent was water vapor or a mixture containing helium and carbon dioxide. The data obtained in this study are compared with the literature ones. The experimental setup consists of a spherical bomb coupled to a schlieren system and a high speed camera. The effect of the stretch on the flame velocity is characterized for all the investigated mixtures. Computed laminar flame velocities are obtained using PREMIX and CHEMKIN codes. Two different kinetic mechanisms are used, and the computed values are compared to the experimental ones.
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