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

Wen Cheng Zhang; Sui Hua Zhou; An Lin Jiang

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

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 217-218Study on the Application of Viscoelastic Material...

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

Abstract:

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.

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Periodical:

Advanced Materials Research (Volumes 217-218)

Pages:

341-346

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.217-218.341

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Online since:

March 2011

Authors:

Wen Cheng Zhang, Sui Hua Zhou, An Lin Jiang

Keywords:

Multiple-Layer Structures Model, Spray Poiyurea Elastomer, Transferring Matrix, Underwater Acoustics, Viscoelastic Material

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