Reduction of Acoustic Responses using Viscoelastic Damping Materials

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Report Number: WL-TR-91-3078 Volume II, pages FBB-1 to FBB-15
Author(s): Chu, David F., Stahle, C., Peir, Jong, Staley, J., McMeekin, M.
Corporate Author(s): GE/Astro Space Division
Laboratory: Wright Laboratory
Date of Publication: 1991-08
Pages: 15
DoD Project: 2401
DoD Task: 240104
Identifier: This paper is part of a conference proceedings. See ADA241312

Abstract:
This paper presents the results of a development test conducted at GE/ASD for reduction of acoustic responses of honeycomb panels using viscoelastic damping material. The damping strip consists of viscoelastic damping material, honeycomb core, and graphite constraint layer. Acoustic tests were conducted on the undamped and damped panels. The comparison of the acoustic responses with and without damping strip are presented. Analytical prediction of the reduction factors and their comparison with the test results are also described.

Provenance: University of Colorado Colorado Springs, Kraemer Family Library

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