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Proceedings Paper

Underwater blast loading of a composite twisted rudder with FBGs
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Paper Abstract

32 Fiber Bragg gratings (FBGs) were embedded in a full size, composite twisted rudder to monitor internal strains during underwater blast loading. During final fabrication, the fibers leading to sensors were broken rendering the embedded sensors useless. Time domain reflectometry located the breaks and suggested a likely approach to avoiding such problems in the future. An additional 8 FBGs were surface mounted on the rudder and used to collect data during the blast loading events. Data were successfully collected at rates up to 9700 Hz during 3 blasts, with strains approaching 4000 με and strain rates of up to 13 ε/s.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70046G (16 May 2008);
Show Author Affiliations
Mark Seaver, Naval Research Lab. (United States)
Stephen T. Trickey, Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors
David Sampson; Stephen Collins; Kyunghwan Oh; Ryozo Yamauchi, Editor(s)

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