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Flow, Turbulence and Combustion
Published in: Flow, Turbulence and Combustion 4/2019

13-06-2019

High-Speed Imaging of Turbulent Nonpremixed Syngas Flames at Elevated Pressures

Authors: Wesley R. Boyette, Thibault F. Guiberti, Ayman M. Elbaz, William L. Roberts

Published in: Flow, Turbulence and Combustion | Issue 4/2019

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Abstract

To address the paucity of experimental data on well-documented turbulent jet flames at elevated pressures, a high pressure rig has been used to explore turbulent nonpremixed syngas flames at elevated pressures and very high Reynolds numbers. Composite images of the flames reveal small changes in flame length that are in agreement with previous empirical correlations. OH-PLIF images are used to visualize the flame structure, revealing an OH layer that gets progressively thinner as pressure increases. A corrugation factor is defined and used to show that flame front corrugation is influenced by increases in Reynolds number and axial distance from the nozzle, but not pressure.
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Metadata
Title
High-Speed Imaging of Turbulent Nonpremixed Syngas Flames at Elevated Pressures
Authors
Wesley R. Boyette
Thibault F. Guiberti
Ayman M. Elbaz
William L. Roberts
Publication date
13-06-2019
Publisher
Springer Netherlands
Published in
Flow, Turbulence and Combustion / Issue 4/2019
Print ISSN: 1386-6184
Electronic ISSN: 1573-1987
DOI
https://doi.org/10.1007/s10494-019-00040-0

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