Pipe flow speed sensor based on fiber Bragg gratings

L. Rodriguez-Cobo; M. A. Quintela; M. Lomer; A. Cobo; J. M. Lopez-Higuera

doi:10.1117/12.970621

17 October 2012 Pipe flow speed sensor based on fiber Bragg gratings

L. Rodriguez-Cobo, M. A. Quintela, M. Lomer, A. Cobo, J. M. Lopez-Higuera

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84214E (2012) https://doi.org/10.1117/12.970621
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A fluid flow speed sensor based on Fiber Bragg Gratings (FBGs) is proposed and demonstrated. Two FBGs are attached to an arc-shaped plastic piece at the same distance from both edges. The fluid flow to be measured pushes the structure stretching one side and compressing the other one. The sensor has been successfully checked by subjecting the device, to different air flow controlled conditions inside of a pipe. Low energy impact detection has been also reported with the proposed device.

Citation Download Citation

L. Rodriguez-Cobo, M. A. Quintela, M. Lomer, A. Cobo, and J. M. Lopez-Higuera "Pipe flow speed sensor based on fiber Bragg gratings", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84214E (17 October 2012); https://doi.org/10.1117/12.970621

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