Passive tuned vibration absorbers for sound radiation attenuation from panels

Mark R. Jolly; Jian Q. Sun

doi:10.1117/12.174095

1 May 1994 Passive tuned vibration absorbers for sound radiation attenuation from panels

Mark R. Jolly, Jian Q. Sun

Proceedings Volume 2193, Smart Structures and Materials 1994: Passive Damping; (1994) https://doi.org/10.1117/12.174095
Event: 1994 North American Conference on Smart Structures and Materials, 1994, Orlando, FL, United States

Abstract

Passive tuned vibration absorbers (TVA) are widely used in reducing vibrations in machinery, buildings and many other vibrating structures. Recently, TVAs have been installed on structures for the purpose of reducing the sound radiation from the structure. As in the case of vibration control, the tuning and placement of TVAs for noise control is often based on the forced response of the structure, as opposed to the behavior of structural-acoustic interaction. This conventional approach for TVA placement on structures is not always effective for controlling sound radiation from the structure. This task requires proper control of the structural waves that couple well with the acoustic environment. This paper presents a preliminary study of acoustic radiation and radiation efficiency of panels instrumented with passive TVAs.

Citation Download Citation

Mark R. Jolly and Jian Q. Sun "Passive tuned vibration absorbers for sound radiation attenuation from panels", Proc. SPIE 2193, Smart Structures and Materials 1994: Passive Damping, (1 May 1994); https://doi.org/10.1117/12.174095

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