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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Pfeiffer, Helge
KU Leuven
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2024Challenges and optimisation of nanoparticle dispersion and integration in fibrous composites for energy and shielding applications
- 2017Modeling the dose dependence of the vis-absorption spectrum of EBT3 GafChromic (TM) films
- 2014A novel technique for acoustic emission monitoring in civil structures with global fiber optic sensorscitations
- 2012Liquid detection in confined aircraft structures based on lyotropic percolation thresholdscitations
- 2007Structural Health Monitoring of Slat Tracks using transient ultrasonic waves
- 2002Pressure-induced amorphization in biopolymerscitations
Places of action
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article
Liquid detection in confined aircraft structures based on lyotropic percolation thresholds
Abstract
peer reviewed ; In aircraft, aqueous liquids arising from spillage, condensation or rainfall during boarding can result in heavy corrosion of structural parts. This is especially the case for the so-called floor structures in the passengers cabin. A reliable sensor for detecting aqueous liquids which is interrogated at least on a weekly base, or even more frequently, could help to reduce repair and maintenance costs considerably. An important challenge for the installation of sensors in the floor beam area is the limited space available. Furthermore, the sensor has to cover an extended area. To achieve this target, an organo-ceramic composite was developed containing a conducting compound (conducting ceramic powder) which is embedded in a hydrophilic matrix. The functionality of the sensing material is based on the collapse of percolation conductivity of the composite. When the composite is exposed to aqueous liquids, the conductivity is essentially lost by sorption and swelling of the matrix material. Sorption experiments indicate that the loss of conductivity could be triggered, or at least promoted by a lyotropic glass-rubber transition in the hydrophilic matrix. The applicability of the integral system was shown on lab-scale, and a sensor network is already implemented and tested in an operational commercial airliner. (C) 2011 Elsevier B.V. All rights reserved.