Název: Structural Health Monitoring in aerospace and civil engineering supported with two ultrasonic NDT methods - AE and NEWS
Autoři: Převorovský, Zdeněk ; Krofta, Josef ; Farová, Zuzana ; Chlada, Milan
Typ dokumentu: Příspěvky z konference
Konference/Akce: NDT in PROGRESS /6./, Praha (CZ), 2011-10-10 / 2011-10-12
Rok: 2011
Jazyk: eng
Abstrakt: Structural Health Monitoring (SHM) becomes today an important technology improving reliability and safety of aeronautical and civil structures. Combining of two ultrasonic NDT methods - Acoustic Emission (AE) with Nonlinear Elastic Wave Spectroscopy (NEWS) - in SHM systems brings many advantages. AE enables real-time detection and localization of initiation and progression under operational stimulations, and NEWS methods provide retrieval of structural faults and complete information on AE sources. Examples of a complex SHM system design for critical parts of both aircraft and building roofs are discussed in this paper. The NEWS pseudo-tomography procedure, based on Time Reversal Mirrors (TRM) with Excitation Symmetry Analysis Method (ESAM), enabled zone-location of initiating defects, not detectable by other classical NDT procedures.Our results reflect good robustness of both techniques, and support their helpfulness in SHM of aircraft and building structures.
Klíčová slova: acoustic emission; NDT; nonlinear elastic wave spectroscopy; structural health monitoring; time reversal mirrors
Číslo projektu: CEZ:AV0Z20760514 (CEP), FR-TI1/274 (CEP), FR-TI1/198 (CEP)
Poskytovatel projektu: GA MPO, GA MPO
Zdrojový dokument: NDT in Progress 2011, ISBN 978-80-214-4339-6

Instituce: Ústav termomechaniky AV ČR (web)
Informace o dostupnosti dokumentu: Dokument je dostupný v příslušném ústavu Akademie věd ČR.
Původní záznam: http://hdl.handle.net/11104/0201690

Trvalý odkaz NUŠL: http://www.nusl.cz/ntk/nusl-81228


Záznam je zařazen do těchto sbírek:
Věda a výzkum > AV ČR > Ústav termomechaniky
Konferenční materiály > Příspěvky z konference