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Flow, Turbulence and Combustion

, Volume 103, Issue 4, pp 871–885 | Cite as

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

  • Wesley R. BoyetteEmail author
  • Thibault F. Guiberti
  • Ayman M. Elbaz
  • William L. Roberts
Article

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.

Keywords

High pressure Turbulent nonpremixed flames Syngas 

Notes

Acknowledgements

The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).

Funding

This study was funded by King Abdullah University of Science and Technology (no grant number).

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.King Abdullah University of Science and Technology (KAUST), CCRCThuwalSaudi Arabia

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