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Wollmann, Tino
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Topics
Publications (23/23 displayed)
- 2024Verfahren zum Herstellen einer akustisch dämpfenden zellularen Struktur, akustisch dämpfende zellulare Struktur und strömungsführendes Bauteil mit mehreren akustisch dämpfenden zellularen Strukturen
- 2023Werkstückbildungsvorrichtung und Verfahren zum Herstellen eines Faserverbundwerkstücks
- 2023Influence of fiber tension during filament winding on the mechanical properties of composite pressure vesselscitations
- 2023Verfahren zur Herstellung eines Triebwerksbauteils aus mindestens einem faserverstärkten Kunststoff
- 2022Experimental investigation of large-scale high-velocity soft-body impact on composite laminatescitations
- 2022Experimental investigation of high strain-rate, large-scale crack bridging behaviour of z-pin reinforced tapered laminatescitations
- 2022Vorrichtung und Verfahren zur Durchführung von Messungen an rotierenden Objekten
- 2021Numerical buckling analysis of hybrid honeycomb cores for advanced helmholtz resonator linerscitations
- 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
- 2020Beugungsgitterbasierte Schädigungs-, Eigenfrequenz- und Eigenformmessung an schnelldrehenden Faserverbundrotoren
- 2020Non-destructive testing of a rotating glass-fibre-reinforced polymer disc by swept source optical coherence tomographycitations
- 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
- 2018Thermoplastic fibre metal laminates: Stiffness properties and forming behaviour by means of deep drawingcitations
- 20183D-DynRoCo - Excitation and vibration analysis of rotating structures
- 2018Entwicklung eines kombinierten numerisch-experimentellen Ansatzes zur 3D Erfassung des Schwingungsverhaltens von rotierenden Komponenten
- 2017Effiziente Mischbauweisen für Leichtbau-Karosserien - LEIKA
- 2016Forming of carbon fibre-reinforced metal laminates in combination with injection moulding
- 2015Design of composite compressor blades with focus on the vibration behaviour
- 2014Carbon fibre-reinforced metal laminates – An alternative to aluminium in vehicle construction
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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.