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Original Articles

Optical Fuel Injector Patternation Measurements in Advanced Liquid-Fueled, High Pressure, GasTurbine Combustors

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Pages 297-311 | Received 24 Apr 1998, Accepted 13 Jul 1998, Published online: 25 Apr 2007
 

Abstract

Planar laser-induced fluorescence (PLIF) imaging and planar Mie scattering are used to examine the fuel distribution pattern (patternation) for advanced fuel injector concepts in kerosene burning, high pressure gas turbine combustors. Three fuel injector concepts for aerospace applications were investigated under a broad range of operating conditions. Planar fuel PLIF patternation results are contrasted with those obtained by planar Mie scattering. For one injector, further comparison is also made with data obtained through phase Doppler measurements. Differences in spray patterns for diverse conditions and fuel injector configurations are readily discernible. An examination of the data has shown that a direct determination of the fuel spray angle at realistic conditions is also possible. The results obtained in this study demonstrate the applicability and usefulness of these nonintrusive optical techniques for investigating fuel spray patternation under actual combustor conditions.

Additional information

Notes on contributors

R. J. LOCKE

Address for correspondence: Dynacs Engineering Co., 2001 Aerospace Parkway, Brook Park, OH 44142.

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