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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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Lich, Julian
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Topics
Publications (7/7 displayed)
- 2023Werkstückbildungsvorrichtung und Verfahren zum Herstellen eines Faserverbundwerkstücks
- 2021Spatially Resolved Experimental Modal Analysis on High-Speed Composite Rotors Using a Non-Contact, Non-Rotating Sensor.
- 2021Design and testing of polar-orthotropic multi-layered composites under rotational loadcitations
- 2021Diffraction grating sensor for damage and modal analysis of fast rotating composite structures
- 2021Spatially Resolved Experimental Modal Analysis on High-Speed Composite Rotors Using a Non-Contact, Non-Rotating Sensorcitations
- 2020Diffraction grating based measurement of the modal behavior of fast rotating composite discs (Conference Presentation)
- 2019Optical strain measurements on fast moving fiber reinforced polymer rotors using diffraction gratingscitations
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document
Diffraction grating sensor for damage and modal analysis of fast rotating composite structures
Abstract
To measure the dynamic behavior of rotating fiber reinforced polymer structures, an optical diffraction grating based sensor has been developed to measure in-plane strain and out-of-plane tilts on the rotor surface with high spatio-temporal resolution. A novel modal analysis approach based on the combination of consecutive measurements with a known excitation and varying time delays was used to extract fully featured modal parameters from a rotating composite disk. The results of the diffraction grating based approach were compared to the results of a commercial triangulation sensor and a piezoresistive strain gauge and showed excellent SNR at surface speeds up to 280 m/s.