Publisher DOI: 10.1016/j.jsv.2019.06.015
Title: Energy harvesting below the onset of flutter
Language: English
Authors: Stender, Merten  
Tiedemann, Merten 
Hoffmann, Norbert  
Issue Date: 13-Oct-2019
Source: Journal of Sound and Vibration (458): 17-21 (2019-10-13)
Journal or Series Name: Journal of sound and vibration 
Abstract (english): This work demonstrates preliminary results on energy harvesting from a linearly stable flutter-type system with circulatory friction forces. Harmonic external forcing is applied to study the energy flow in the steady sliding configuration. In certain parameter ranges negative excitation work is observed where the external forcing allows to pull part of the friction energy out of the system and thus makes energy harvesting possible. Studies reveal that this behavior is largely independent of the flutter point and thus that it is primarily controlled by the excitation. Contrary to existing energy harvesting approaches for such systems, this approach uses external forcing in the linearly stable regime of the oscillator which allows to control vibrations and harvest energy on demand.
ISSN: 0022-460X
Institute: Strukturdynamik M-14 
Type: (wissenschaftlicher) Artikel
Funded by: German Research Foundation (DFG) within the Priority Program “‘calm, smooth, smart”’ under the reference Ho 3851/12-1
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