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3 results on '"ultrasonic guided waves technique"'

1. Towards an Ultrasonic Guided Wave Procedure for Health Monitoring of Composite Vessels: Application to Hydrogen-Powered Aircraft.

Author

Yaacoubi, Slah, McKeon, Peter, Weina Ke, Declercq, Nico F., and Dahmene, Fethi

Subjects
*COMPOSITE materials, *MICROMECHANICS, *PUBLIC health, *CARBON composites, *HYDROGEN, *FINITE element method
Abstract

This paper presents an overview and description of the approach to be used to investigate the behavior and the defect sensitivity of various ultrasonic guided wave (UGW) modes propagating specifically in composite cylindrical vessels in the framework of the safety of hydrogen energy transportation such as hydrogen-powered aircrafts. These structures which consist of thick and multi-layer composites are envisioned for housing hydrogen gas at high pressures. Due to safety concerns associated with a weakened structure, structural health monitoring techniques are needed. A procedure for optimizing damage detection in these structural types is presented. It is shown that a finite element method can help identify useful experimental parameters including frequency range, excitation type, and receiver placement. [ABSTRACT FROM AUTHOR]

Published
2017
Full Text
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2. Towards an Ultrasonic Guided Wave Procedure for Health Monitoring of Composite Vessels: Application to Hydrogen-Powered Aircraft

Author

Slah Yaacoubi, Peter McKeon, Weina Ke, Nico F. Declercq, and Fethi Dahmene

Subjects
composite over-wrapped pressure vessel, hydrogen safety, structural health monitoring, ultrasonic guided waves technique, testing procedure, finite element method, Technology, Electrical engineering. Electronics. Nuclear engineering, TK1-9971, Engineering (General). Civil engineering (General), TA1-2040, Microscopy, QH201-278.5, Descriptive and experimental mechanics, QC120-168.85
Abstract

This paper presents an overview and description of the approach to be used to investigate the behavior and the defect sensitivity of various ultrasonic guided wave (UGW) modes propagating specifically in composite cylindrical vessels in the framework of the safety of hydrogen energy transportation such as hydrogen-powered aircrafts. These structures which consist of thick and multi-layer composites are envisioned for housing hydrogen gas at high pressures. Due to safety concerns associated with a weakened structure, structural health monitoring techniques are needed. A procedure for optimizing damage detection in these structural types is presented. It is shown that a finite element method can help identify useful experimental parameters including frequency range, excitation type, and receiver placement.

Published
2017
Full Text
View/download PDF

3. Towards an Ultrasonic Guided Wave Procedure for Health Monitoring of Composite Vessels: Application to Hydrogen-Powered Aircraft

Author

Fethi Dahmene, Nico F. Declercq, Peter McKeon, Slah Yaacoubi, Weina Ke, Institut de soudure, École des Mines de Douai (Mines Douai EMD), Institut Mines-Télécom [Paris] (IMT), Georgia Tech Lorraine [Metz], Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Ecole Supérieure d'Electricité - SUPELEC (FRANCE)-Georgia Institute of Technology [Atlanta]-CentraleSupélec-Ecole Nationale Supérieure des Arts et Metiers Metz-Centre National de la Recherche Scientifique (CNRS), Roberval (Roberval), and Université de Technologie de Compiègne (UTC)

Subjects
composite over-wrapped pressure vessel, hydrogen safety, structural health monitoring, ultrasonic guided waves technique, testing procedure, finite element method, Engineering, Hydrogen, Acoustics, Composite number, chemistry.chemical_element, 02 engineering and technology, 010402 general chemistry, lcsh:Technology, 01 natural sciences, Article, [SPI.MAT]Engineering Sciences [physics]/Materials, Hydrogen safety, Range (aeronautics), 11. Sustainability, General Materials Science, Sensitivity (control systems), lcsh:Microscopy, lcsh:QC120-168.85, lcsh:QH201-278.5, lcsh:T, business.industry, Structural engineering, 021001 nanoscience & nanotechnology, Finite element method, 0104 chemical sciences, chemistry, lcsh:TA1-2040, Hydrogen fuel, lcsh:Descriptive and experimental mechanics, lcsh:Electrical engineering. Electronics. Nuclear engineering, Structural health monitoring, lcsh:Engineering (General). Civil engineering (General), 0210 nano-technology, business, lcsh:TK1-9971
Abstract

International audience; This paper presents an overview and description of the approach to be used to investigate the behavior and the defect sensitivity of various ultrasonic guided wave (UGW) modes propagating specifically in composite cylindrical vessels in the framework of the safety of hydrogen energy transportation such as hydrogen-powered aircrafts. These structures which consist of thick and multi-layer composites are envisioned for housing hydrogen gas at high pressures. Due to safety concerns associated with a weakened structure, structural health monitoring techniques are needed. A procedure for optimizing damage detection in these structural types is presented. It is shown that a finite element method can help identify useful experimental parameters including frequency range, excitation type, and receiver placement.

Published
2017

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