| People | Locations | Statistics |
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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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Lemaire, Etienne
Université de Tours
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Design, Simulation and Analysis of a LowTech Capacitive Micromachined Ultrasonic Transducer (CMUT)
- 2022Exploring the mechanical performance of BaTiO3 filled HDPE nanocomposites: A comparative study of the experimental and numerical approachescitations
- 2021Rochelle Salt-Based Ferroelectric and Piezoelectric Composite Produced with Simple Additive Manufacturing Techniquescitations
- 2015Fast fabrication process of low environmental impact MEMScitations
- 2015Advanced thermo-mechanical characterization of organic materials by piezoresistive organic resonatorscitations
- 2014Effect of hydrodynamic force on microcantilever vibrations: applications to liquid-phase chemical sensingcitations
- 2013Contribution to the development of integrated viscoelasticity sensor
- 2013Contribution au développement de microcapteurs intégrés de viscoélasticité de fluides
- 2012The Microcantilever: a Versatile Tool for Measuring the Rheological Properties of Complex Fluidscitations
- 2011The Microcantilever: a Versatile Tool for Measuring Fluid Properties
Places of action
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thesis
Contribution to the development of integrated viscoelasticity sensor
Abstract
The study of viscoelastic properties has many industrial and academic applications related to "soft matter" like polymers, colloids, surfactants or proteins. The present approach measures these properties in a frequency range from 1 to 100 kHz. The method uses the measurement of the vibration of a microstructure actuated electromagnetically and immersed in the fluid that has to be characterized. The frequency response of the mechanical system, which is measured optically or electrically, is characteristic of the environment in which the structure is immersed in. An analytical method dedicated to microcantilevers for the extraction of the rheological properties has been improved during this PhD thesis.The analytical method developed requires the accuracy of a complex optical system for measuring without artifact the mechanical properties of microcantilever-liquid interaction. Thus opaque liquids cannot be characterized with this sytem. In addition, the measurement cannot easily be integrated. To overcome these difficulties and provide the measurement of viscoelasticity into opaque medium, some strategy was reassessed: (1) “U” shaped microstructures were fabricated; (2) an integrated measurement method was developed and (3) a single frequency method was used to calculate the viscoelasticity.Finally, a viscoelastic and opaque liquid, such as yogurt, has been characterized in situ during the lactic fermentation to demonstrate the validity and the applicability of the method for the real-time monitoring of viscoelasticity.