Experimental Validation Of Analytically Computed Sound Transmission Through
Single And Double Glazing
Author(s)
A. Tadeu, J. António & D. Mateus
Abstract
Experimental validation of analytically
computed sound transmission through single
and double glazing
A. Tadeu, J. Antonio & D. Mateus,
Department of Civil Engineering,
University of Coimbra, Portugal
Abstract
The authors performed experiments to validate the sound transmission through
single and double glazing, predicted by analytical models previously proposed
by the authors. The analytical model used hlly takes into account the air-solid
interaction, and the thickness of the panels need not be limited, as the Kirchhoff
or Mindlin theories require. The laboratory experiments were performed by
placing test specimens between two standard testing rooms. Comparison of the
results showed that the analytical solutions are in good agreement with the
experimental results, except at low fi-equencies, where the experimentallymeasured
sound transmission index exhibits dips and peaks. These are
associated with the vibration modes introduced into the dynamic system by the
restriction of the movement of
Keywords
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