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Imaging of Combustion Species in a Radially-Staged Gas Turbine CombustorPlanar laser-induced fluorescence (PLIF) is used to characterize the complex flowfield of a unique fuel-lean, radially-staged, high pressure gas turbine combustor. PLIF images of OH are presented for two fuel injector configurations. PLIF images of NO, the first acquired at these conditions, are presented and compared with gas sample extraction probe measurements. Flow field imaging of nascent C2 chemiluminescence is also investigated. An examination is made of the interaction between adjoining lean premixed prevaporized (LPP) injectors. Fluorescence interferences at conditions approaching 2000 K and 15 atm are observed and attributed to polycyclic aromatic hydrocarbon (PAH) emissions. All images are acquired at a position immediately downstream of the fuel injectors with the combustor burning JP-5 fuel.
Document ID
19970009820
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Locke, Randy J. (NYMA, Inc. Brook Park, OH United States)
Hicks, Yolanda R. (NASA Lewis Research Center Cleveland, OH United States)
Anderson, Robert C. (NASA Lewis Research Center Cleveland, OH United States)
Ockunzzi, Kelly A. (Case Western Reserve Univ. Cleveland, OH United States)
Schock, Harold J. (Michigan State Univ. East Lansing, MI United States)
Date Acquired
September 6, 2013
Publication Date
December 1, 1996
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
NAS 1.15:107373
NASA-TM-107373
E-10542
Meeting Information
Meeting: Joint Combustion and Propulsion Systems Hazards Subcommittees Meeting
Location: Monterey, CA
Country: United States
Start Date: November 4, 1996
End Date: November 9, 1996
Sponsors: Navy Manpower and Material Analysis Center Pacific, Army Advanced Materiel Concepts Agency, NASA Lewis Research Center, Air Force Systems Command
Accession Number
97N15188
Funding Number(s)
CONTRACT_GRANT: NAS3-27186
PROJECT: RTOP 537-05-20
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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