Communication Dans Un Congrès Année : 2007

Experimental study of energy pumping in acoustics

Résumé

This paper presents an experimental vibro-acoustic set-up that aims to reproduce the energy pumping phenomenon between an acoustic medium and an essentially nonlinear oscillator. It shows a one-way irreversible transfer of energy between the first acoustic mode in a tube and a thin visco-elastic membrane. Various observed aspects of energy pumping are presented: behaviors under sinusoidal forcing, pumping threshold, resonance capture and transient response.

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Dates et versions

hal-04282969 , version 1 (13-11-2023)

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Romain Bellet, Bruno Cochelin, Philippe Herzog, Pierre-Olivier Mattei. Experimental study of energy pumping in acoustics. International Design Engineering Technical Conferences, 2007, Las Vegas, United States. pp.943-949 (DETC2007-34805), ⟨10.1115/DETC2007-34805⟩. ⟨hal-04282969⟩
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