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Brillouin Distributed sensor for Aeronautical Structures

Objective

The proposal is addressed to the development of a prototype for distributed strain measurements in optical fibers for industrial aeronautical contexts: composite manufacturing plants, structural test platforms and airborne conditions. The prototype will be based on stimulated Brillouin scattering (SBS), and will be aimed to the structural health monitoring of composite parts employed in the aeronautical industry. The developed prototype will have performance significantly superior to those offered by commercial SBS-based interrogation units. In particular, the prototype will have the following characteristics: (a) A spatial resolution of 5 mm; (b) A measurement range of 150 m; (c) A total weight less than 4.75 kg; (d) A specific software for each monitoring scenario, providing all relevant data in an effective and accessible way.
The developed sensor will implement a Brillouin Optical Frequency-Domain Analysis (BOFDA) configuration, characterized by the fact that measurements are carried out in the frequency domain The prototype will be assembled with Original Equipment Manufacturer (OEM) components, selected in order to minimize size and weight, in particular by making use of a vector network analyzer (VNA) operating up to 20 GHz. The prototype will be employed in the evaluation of quality and structural health of composite parts for the aeronautical industry, such as complete fuselage, wings, vertical or horizontal tail plane of passenger commercial aircrafts. By measuring the strain along optical fibers embedded into composite parts during their manufacture, damage detection will be possible both in the manufacturing stage and during service life. The developed system will be integrated into one typical industrial application that will be selected with the Topic Manager. At the end of the project, the delivered prototype will be validated based on the research context.
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Coordinator

UNIVERSITA DEGLI STUDI DELLA CAMPANIA LUIGI VANVITELLI

Address

Viale Abramo Lincoln 5
81100 Caserta

Italy

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 135 100

Participants (3)

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CONSIGLIO NAZIONALE DELLE RICERCHE

Italy

EU Contribution

€ 135 156,25

UNIVERSIDAD REY JUAN CARLOS

Spain

EU Contribution

€ 69 962,50

OPTOSENSING SRL

Italy

EU Contribution

€ 10 062,50

Project information

Grant agreement ID: 717064

Status

Closed project

  • Start date

    1 July 2016

  • End date

    31 December 2018

Funded under:

H2020-EU.3.4.5.4.

  • Overall budget:

    € 354 593,75

  • EU contribution

    € 350 281,25

Coordinated by:

UNIVERSITA DEGLI STUDI DELLA CAMPANIA LUIGI VANVITELLI

Italy