Spectral Response Of A UV Flame Sensor For A Modern Turbojet Aircraft Engine

William E. Schneider; George L. Minott

doi:10.1117/12.962551

28 December 1989 Spectral Response Of A UV Flame Sensor For A Modern Turbojet Aircraft Engine

William E. Schneider, George L. Minott

Author Affiliations +

Proceedings Volume 1158, Ultraviolet Technology III; (1989) https://doi.org/10.1117/12.962551
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

One of the military's newest carrier-based attack aircraft is powered by a modern turbojet engine. This turbojet engine provides additional thrust for combat maneuvers and carrier takeoffs from an afterburner (the burning of additional fuel "after the burning" in the main or core engine). To improve reliability of "light-off" characteristics and to provide safeguards against undesired afterburner "light-off" conditions, an ultraviolet flame sensor is employed. The flame sensor contains a UV detector which is a gaseous-discharge-type tube manufactured by Armtec Industries, Inc. In order to better determine the relationship between flame and sensor, measurements of the UV spectral response of the sensors were made at ambient and elevated (400°F) temperatures. The measurements, which were made by Optronic Laboratories at Armtec's Manchester, New Hampshire facility, utilized a double monochromator-based system optimized for measuring the spectral response of detectors over the 200 to 300 nm wavelength region. The paper describes the UV-flame sensor, the instrumental set-up, the measurement procedure, the NIST-traceable standards and the results and uncertainties associated with the measurements.

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William E. Schneider and George L. Minott "Spectral Response Of A UV Flame Sensor For A Modern Turbojet Aircraft Engine", Proc. SPIE 1158, Ultraviolet Technology III, (28 December 1989); https://doi.org/10.1117/12.962551

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