OH PLIF Visualization of the UVa Supersonic Combustion Experiment: Configuration A | Zendy

Craig T. Johansen | Zendy; Colin McRae | Zendy; Paul M. Danehy | Zendy; E. Gallo | Zendy; Luca Cantu | Zendy; Robert D. Rockwell | Zendy; Christopher P. Goyne | Zendy; J. C. McDaniel | Zendy

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OH PLIF Visualization of the UVa Supersonic Combustion Experiment: Configuration A

Author(s) -

Craig T. Johansen,

Colin McRae,

Paul M. Danehy,

E. Gallo,

Luca Cantu,

Robert D. Rockwell,

Christopher P. Goyne,

J. C. McDaniel

Publication year - 2012

Publication title -

nasa sti repository (national aeronautics and space administration)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2012-2887

Subject(s) - supersonic speed , visualization , combustion , materials science , computer science , nuclear engineering , aerospace engineering , chemistry , engineering , artificial intelligence

Hydroxyl radical (OH) planar laser-induced fluorescence (PLIF) measurements were performed in the University of Virginia supersonic combustion experiment. The test section was set up in configuration A, which includes a Mach 2 nozzle, combustor, and extender section. Hydrogen fuel was injected through an unswept compression ramp at two different equivalence ratios. Through the translation of the optical system and the use of two separate camera views, the entire optically accessible range of the combustor was imaged. Single-shot, average, and standard deviation images of the OH PLIF signal are presented at several streamwise locations. The results show the development of a highly turbulent flame structure and provide an experimental database to be used for numerical model assessment.

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