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Health monitoring of aircraft by Nonlinear Elastic Wave Spectroscopy

Health monitoring of aircraft by Nonlinear Elastic Wave Spectroscopy

Objective

Nonlinear Elastic Wave Spectroscopy (NEWS) and related acoustic and ultrasonic methods comprise a new class of innovative non-destructive techniques that provide extreme sensitivity in detecting and imaging incipient damage in the form of microcracks or delaminations, weakening of adhesive bonds, thermal and chemical damage, etc. The sensitivity and applicability of nonlinear methods to damage are superior to those obtained by currently used technologies. NEWS methods are in various stages of development and have not yet been applied to aircraft health monitoring. The project's goal is to examine, confirm and exploit the successful results of these techniques, using fundamental materials research on fatigue loading, and to apply them to the particular field of aeronautics. The project includes progressive microdamage and fatigue monitoring of aircraft components and structures, sensor engineering, development of NEWS-based imaging methods, and fundamental research on the modelling of meso-scale damage phenomena. We aim to investigate the relation of these studies to the macroscopic behaviour of progressively fatiguing materials, and formulate the design of a unique system for microdamage inspection, including remote control and communication tools, and the completion of a full-scale model demonstration. The long-term goal of the project (5-10 years) is to monitor while in operation, the integrity of airframes and aircraft engines, and helicopter rotor systems. The development of this innovative NEWS-based technology and its engineering applications to aeronautics, will result in an enhanced, reliable and integrated measurement system and protocol for microcrack diagnostics of aircraft components and structures. We expect this development to result in a significant increase in aircraft and passenger safety while contributing to a substantial cost savings through a decrease in maintenance and operating times'.

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Coordinator

KATHOLIEKE UNIVERSITEIT LEUVEN

Address

Oude Markt 13
Leuven

Belgium

Administrative Contact

Koen VAN DEN ABEELE (Professor)

Participants (17)

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VRIJE UNIVERSITEIT BRUSSEL

Belgium

ASCO INDUSTRIES N.V.

Belgium

AGRICULTURAL CO-OP RPETY RESIDENT IN RPETY - DIAGNOSTIC CENTRE DAKEL

Czechia

INSTITUTE OF THERMOMECHANICS OF THE ACADEMY OF SCIENCES V.V.I

Czechia

VYZKUMNY A ZKUSEBNI LETECKY USTAV, A.S.

Czechia

GROUPEMENT D'INTERET PUBLIC "ULTRASONS"

France

NDT EXPERT

France

FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.

Germany

POLITECNICO DI TORINO

Italy

UNIVERSITA DEGLI STUDI DI NAPOLI FEDERICO II- DEPARTIMENTO DI INGEGNERIA AEROSPAZIALE

Italy

CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS

Spain

BOEING RESEARCH & TECHNOLOGY CENTER

Spain

UNIVERSITY OF EXETER

United Kingdom

UNIVERSITY OF BRISTOL

United Kingdom

THE UNIVERSITY OF NOTTINGHAM

United Kingdom

CRANFIELD UNIVERSITY

United Kingdom

EXOVA AB

Sweden

Project information

Grant agreement ID: 502927

  • Start date

    1 March 2004

  • End date

    29 February 2008

Funded under:

FP6-AEROSPACE

  • Overall budget:

    € 4 859 757

  • EU contribution

    € 3 562 596

Coordinated by:

KATHOLIEKE UNIVERSITEIT LEUVEN

Belgium