The Proceedings of the Dynamics & Design Conference
Online ISSN : 2424-2993
2010
Session ID : 750
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750 Coupling problems and active control of sound Powermode in a double-wall cavity
Shu KANNONobuo TANAKA
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
This paper considers an analytical and experimental investigation into the coupling problems and the active controls of acoustic power mode in the double-wall structure coupled to an acoustic enclosure. Harmonic sound plane wave from outward is transmitted into the enclosure. The purpose of this investigation is to control the potential energy in the enclosure. In the high frequency range, the acoustic sound transmitted through the double-wall structure is very low. It becomes a broadband control system by applying active control that is more effective in the low frequency range to the double-wall cavity.
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© 2010 The Japan Society of Mechanical Engineers
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