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Proceedings Paper

Fibre optic pressure sensor system for high temperature exhaust gas flows
Author(s): K. Bremer; E. Lewis; G. Leen; B. Moss; J. Leen; S. Lochmann; I. Mueller
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Paper Abstract

Sensing the pressure of gasses in the exhaust manifold of an internal combustion engine is a challenging application. The exhaust gasses themselves are rapidly changing with temperatures involved that can be in the region of 800°C. This paper presents a Fibre Optic Pressure Sensor (FOPS) system designed specifically for this application. The FOPS system consists of an Extrinsic Fabry Perot Interferometer / Fibre Bragg Grating hybrid sensor, which is able to measure pressure and temperature simultaneously at the point of measurement, and a feedback controlled single wavelength interrogation technique. The combination of both allows the acquisition of fast pressure fluctuations in high temperature environments.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77535K (17 May 2011); doi: 10.1117/12.885137
Show Author Affiliations
K. Bremer, Univ. of Limerick (Ireland)
E. Lewis, Univ. of Limerick (Ireland)
G. Leen, Univ. of Limerick (Ireland)
B. Moss, Univ. of Limerick (Ireland)
J. Leen, Univ. of Limerick (Ireland)
S. Lochmann, Hochschule Wismar (Germany)
I. Mueller, Hochschule Wismar (Germany)

Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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