Results 11 to 20 of about 68,383 (304)
Assessing the number of twists of stranded wires using ultrasound
Acta Acustica, 2023 Wiring, of different degrees of complexity, is a dominant part of mechanical support in constructions, electromagnetic and telecommunication signal transmission cables, among other applications. Single and manifold twisted wires are prominent examples of
Pomarède Pascal +2 more
doaj +1 more source
Bridge Health Monitoring Using Strain Data and High-Fidelity Finite Element Analysis
Sensors, 2022 This article presented a physics-based structural health monitoring (SHM) approach applied to a pretensioned adjacent concrete box beams bridge in order to predict the deformations associated with the presence of transient loads.
Behzad Ghahremani +2 more
doaj +1 more source
A Bulk Acoustic Wave Strain Sensor for Near-Field Passive Wireless Sensing
Sensors, 2023 Near-field passive wireless sensors can realize non-contact strain measurement, so these sensors have extensive applications in structural health monitoring. However, these sensors suffer from low stability and short wireless sensing distance. This paper
Xiyue Zou, Li Wen, Bin Hu
doaj +1 more source
Sensors, 2020 The current necessity of the scientific and industrial community, for reduction of aircraft maintenance cost and duration, prioritizes the need for development of innovative nondestructive techniques enabling fast and reliable defect detection on ...
Spyridoula Farmaki +4 more
doaj +1 more source
Moving Pearl Vortices in Thin-Film Superconductors
Condensed Matter, 2021 The magnetic field hz of a moving Pearl vortex in a superconducting thin-film in (x,y) plane is studied with the help of the time-dependent London equation.
Vladimir Kogan, Norio Nakagawa
doaj +1 more source
Deep subwavelength ultrasonic imaging using optimized holey structured metamaterials
Scientific Reports, 2017 This paper reports the experimental demonstration of deep subwavelength ultrasonic imaging of defects in metallic samples with a feature size of λ/25 using holey-structured metamaterial lenses.
Kiran Kumar Amireddy +2 more
doaj +1 more source
Design and fabrication of a non-destructive system to detect rail corrugation [PDF]
International Journal of Railway Research, 2022 The present paper proposes a technique that is capable of inspecting the rail head for corrugation before and after the grinding process with high accuracy and repeatability.
Iman Ahadi Akhlaghi +3 more
doaj
Challenges in Bridge Health Monitoring: A Review
Sensors, 2021 Bridge health monitoring is increasingly relevant for the maintenance of existing structures or new structures with innovative concepts that require validation of design predictions.
Piervincenzo Rizzo, Alireza Enshaeian
doaj +1 more source
A Reconstruction Procedure for Microwave Nondestructive Evaluation based on a Numerically Computed Green's Function [PDF]
, 2003 This paper describes a new microwave diagnostic tool for nondestructive evaluation. The approach, developed in the spatial domain, is based on the numerical computation of the inhomogeneous Green’s function in order to fully exploit all the available a ...
Caorsi, Salvatore +4 more
core +4 more sources
Multiple wavemode scanning for near and far-side defect characterisation [PDF]
, 2020 The combination of ultrasonic inspections using different wavemodes can give more information than is available with single mode inspection. In this work, the response of shear and Rayleigh waves to surface-breaking defects propagating on the near-side ...
Edwards, R. S. (Rachel S.), Xiang, L.
core +1 more source