Study on the Application of Viscoelastic Material in Sound Absorption Structure Model

Abstract:

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Study on new absorption materials is important to the sound stealth of targets underwater. The simpler formulae of calculating multiple-layer absorption model is educed with transferring matrix. By numerical simulating, the relation between model’s acoustic characteristics and material parameters of each layer is provided.The study shows that a better performance is acquired when material Young’s modulus changed dynamically with frequency by a certain rule. On these basises, simulation contrast of the absorbing performances between styrene-butadiene rubber(SBR) and Spray Poiyurea Elastomer(SPUA) was carried out. The simulating result and the experiment provided that SPUA has good performance.

Info:

Periodical:

Advanced Materials Research (Volumes 217-218)

Edited by:

Zhou Mark

Pages:

341-346

DOI:

10.4028/www.scientific.net/AMR.217-218.341

Citation:

W. C. Zhang et al., "Study on the Application of Viscoelastic Material in Sound Absorption Structure Model", Advanced Materials Research, Vols. 217-218, pp. 341-346, 2011

Online since:

March 2011

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Price:

$35.00

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