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Proceedings Paper

Spectral Response Of A UV Flame Sensor For A Modern Turbojet Aircraft Engine
Author(s): William E. Schneider; George L. Minott
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Paper 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.

Paper Details

Date Published: 28 December 1989
PDF: 21 pages
Proc. SPIE 1158, Ultraviolet Technology III, (28 December 1989); doi: 10.1117/12.962551
Show Author Affiliations
William E. Schneider, Optronic Laboratories, Inc. (United States)
George L. Minott, Armtec Industries, Inc. (United States)

Published in SPIE Proceedings Vol. 1158:
Ultraviolet Technology III
Robert E. Huffman, Editor(s)

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