Journal ArticleDOI
Detection of dis-bond between honeycomb and composite facesheet of an Inner Fixed Structure bond panel of a jet engine nacelle using infrared thermographic techniques
TLDR
The Inner Fixed Structure (IFS) bond panel is a honeycomb sandwich panel with CFRP facesheet and a heat shield on one side, and a perforated CFRP faceheet on the other side, of a jet engine nacell as mentioned in this paper.Abstract:
The Inner Fixed Structure (IFS) bond panel is a honeycomb sandwich panel with CFRP facesheet and a heat shield on one side, and a perforated CFRP facesheet on the other side, of a jet engine nacell...read more
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Development of a thermal excitation source used in an active thermographic UAV platform
Shakeb Deane,Nicolas P. Avdelidis,Clemente Ibarra-Castanedo,Alex Williamson,Stephen Withers,Argyrios C. Zolotas,Xavier Maldague,Mohammad Ahmadi,Shashank Pant,Marc Genest,Hobivola A. Rabearivelo,Antonios Tsourdos +11 more
Journal ArticleDOI
Identification of the fiber breakage orientation in carbon fiber reinforced polymer composites using induction thermography
TL;DR: In this article, a new scheme deploying induction thermography to detect fiber breakage and identify its orientation is proposed, which is experimentally demonstrated on samples with realistic fiber breakages produced in a controlled manner.
Journal ArticleDOI
A study on the use of fundamental antisymmetric-like guided wave for health monitoring of elastic–viscoelastic bilayer structures
TL;DR: In this article , an ultrasonic guided wave propagation in an elastic-viscoelastic (steel-rubber) bilayer structure was investigated and several wave features, such as amplitude, phase velocity and phase delay, were measured and compared to determine the characteristic changes of the A0 wave mode in the steel layer alone as well as in the bilayer structures.
Journal ArticleDOI
Infrared Sensation-Based Salient Targets Enhancement Methods in Low-Visibility Scenes
TL;DR: Wang et al. as mentioned in this paper proposed a threshold denoising model based on wavelet transformation with bilateral filtering (WTBF) and a salient components enhancement method based on a multi-scale retinex algorithm combined with frequency-tuned salient region extraction (MSRFT).
References
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Proceedings ArticleDOI
Mechanisms and models for crack detection with induction thermography
TL;DR: In this paper, an analytical model for the calculation of the current distribution, including the backflow current along with finite element calculations, is presented for a better description of real cracks, and two new crack models are presented to better describe real cracks.
Journal ArticleDOI
A Study on the Induction Heating of Conductive Fiber Reinforced Composites
TL;DR: In this article, a unified approach, considering three possible heating mechanisms: fiber (Joule losses) and fiber crossover junction (dielectric hysteresis and contact resistance), to identify dominant heating mechanisms during induction processing of conductive fiber reinforced composites is presented.
Journal ArticleDOI
A local theory of heating in cross‐ply carbon fiber thermoplastic composites by magnetic induction
TL;DR: In this article, it was shown that the primary mechanism for heating in continuous carbon fiber crossply composites is dielectric losses in the polymeric region between fibers in adjacent planes that form the conductive loop.
An overview of aircraft noise reduction technologies.
TL;DR: The aim of this article is to provide a broad overview of current and future noise reduction technologies used in aircraft industries and some indications about the present capacity of these technologies to meet the noise reduction requirements and future trends to improve them are given.