Fiber optic probe for primary zone fuel distribution measurements in actual liquid-fueled gas turbine combustors

Jong-Guen Lee; Domenic A. Santavicca

doi:10.1117/12.337471

22 January 1999 Fiber optic probe for primary zone fuel distribution measurements in actual liquid-fueled gas turbine combustors

Jong-Guen Lee, Domenic A. Santavicca

Author Affiliations +

Proceedings Volume 3535, Advanced Sensors and Monitors for Process Industries and the Environment; (1999) https://doi.org/10.1117/12.337471
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

A laser induced fluorescence (LIF)-based optical fiber probe has been developed for spatially and temporally resolved measurements of the equivalence ratio in actual gas turbine combustors. By using the probe to simultaneously detect laser induced fluorescence and Mie-scattering, its applicability has been extended to liquid-fueled combustors. The probe has been tested in a simple flow system consisting of a four-inch diameter flow tube with a spray nozzle at the center and Jet-A as the fuel. PDPA measurements are made to correlate the Mie-scattering signal with the number density of liquid droplets. The results indicate that the probe can be used for qualitative characterization of liquid fuel vaporization, and that quantitative measurement of fuel vapor concentration in liquid-fueled gas turbine combustion is possible with calibration of the temperature dependence of the fluorescence.

Citation Download Citation

Jong-Guen Lee and Domenic A. Santavicca "Fiber optic probe for primary zone fuel distribution measurements in actual liquid-fueled gas turbine combustors", Proc. SPIE 3535, Advanced Sensors and Monitors for Process Industries and the Environment, (22 January 1999); https://doi.org/10.1117/12.337471

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