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Proceedings Paper

Nanomaterial-based robust oxygen sensor
Author(s): Kisholoy Goswami; Uma Sampathkumaran; Maksudul Alam; Derek Tseng; Arun K. Majumdar; Alex A. Kazemi
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Paper Abstract

Since the TWA flight 800 accident in July 1996, significant emphasis has been placed on fuel tank safety. The Federal Aviation Administration (FAA) has focused research to support two primary methods of fuel tank protection - ground-based and on-board - both involving fuel tank inerting. Ground-based fuel tank inerting involves some combination of fuel scrubbing and ullage washing with Nitrogen Enriched Air (NEA) while the airplane is on the ground (applicable to all or most operating transport airplanes). On-board fuel tank inerting involves ullage washing with OBIGGS (on-board inert gas generating system), a system that generates NEA during aircraft operations. An OBIGGS generally encompasses an air separation module (ASM) to generate NEA, a compressor, storage tanks, and a distribution system. Essential to the utilization of OBIGGS is an oxygen sensor that can operate inside the aircraft's ullage and assess the effectiveness of the inerting systems. OBIGGS can function economically by precisely knowing when to start and when to stop. Toward achieving these goals, InnoSense LLC is developing an all-optical fuel tank ullage sensor (FTUS) prototype for detecting oxygen in the ullage of an aircraft fuel tank in flight conditions. Data would be presented to show response time and wide dynamic range of the sensor in simulated flight conditions and fuel tank environment.

Paper Details

Date Published: 26 September 2007
PDF: 6 pages
Proc. SPIE 6758, Photonics in the Transportation Industry: Auto to Aerospace, 67580F (26 September 2007); doi: 10.1117/12.747324
Show Author Affiliations
Kisholoy Goswami, InnoSense LLC (United States)
Uma Sampathkumaran, InnoSense LLC (United States)
Maksudul Alam, InnoSense LLC (United States)
Derek Tseng, InnoSense LLC (United States)
Arun K. Majumdar, InnoSense LLC (United States)
Alex A. Kazemi, The Boeing Co. (United States)


Published in SPIE Proceedings Vol. 6758:
Photonics in the Transportation Industry: Auto to Aerospace
Alex A. Kazemi; Christopher S. Baldwin, Editor(s)

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