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Proceedings Paper

Signal-to-noise ratio evaluation with draw tower fibre Bragg gratings (DTGs) for dynamic strain sensing at elevated temperatures and corrosive environment
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Paper Abstract

Measuring strain at the surface of a structure can help to estimate the dynamical properties of the structure under test. Such a structure can be a fuel assembly of a nuclear reactor consisting of fuel pins. In this paper we demonstrate a method to integrate draw tower gratings (DTGs) in a fuel pin and we subject this pin to conditions close to those encountered in a heavy liquid metal (HLM) reactor. More specifically, we report on the performance of DTGs used as a strain sensor when immersed in HLM during thermal cycles (up to 300_C) for up to 700 hours.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91577D (2 June 2014); doi: 10.1117/12.2059504
Show Author Affiliations
B. De Pauw, Vrije Univ. Brussel (Belgium)
SCK CEN (Belgium)
A. Lamberti, Vrije Univ. Brussel (Belgium)
S. Vanlanduit, Vrije Univ. Brussel (Belgium)
K. Van Tichelen, SCK CEN (Belgium)
T. Geernaert, Vrije Univ. Brussel (Belgium)
F. Berghmans, Vrije Univ. Brussel (Belgium)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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