Abstract
To investigate the effect of H2 enrichment on the combustion characteristics of H2/CO/N2 partial premixed flames, experiments were conducted using tunable diode laser absorption spectroscopy (TDLAS) and an infrared gas analyzer. The changes in the H2 content (contents of 0, 16, 32, 48, and 65%) on the flame structure, flame temperature, and concentration of gases (CO, CO2) in the flame at a fixed air–fuel ratio of 3.2 were investigated. As the H2 content increased, the flame length decreased, high-temperature zone moved forward, temperature increased, CO2 content first increased and then decreased, and CO content decreased. The addition of H2 facilitated the formation of OH radicals, causing the oxidation reaction of CO to proceed faster than in the presence of only O2 and O.
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Acknowledgements
The authors gratefully acknowledge the financial support of the National Natural Science Foundation of China (No. U1960205, No. 51804024).
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Yang, F., Xue, Q., Zuo, H., Lv, B., Liu, Y., Wang, J. (2023). Effect of H2 Enrichment on CO/N2/H2-air Turbulence Partial Premixed Flame Combustion Characteristics. In: Alam, S., et al. Energy Technology 2023. TMS 2023. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-031-22638-0_5
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DOI: https://doi.org/10.1007/978-3-031-22638-0_5
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