Modeling and Simulation of Underwater Acoustic Absorption Properties of Novel Macroporous Resins - Elastomer Thin Coatings

Abstract:

In order to improve acoustic stealth performances at high-frequency of underwater objects, macroporous resin beads–elastomer coatings with 2 mm of thickness were introduced for high-frequency acoustic-absorption. Meanwhile, an acoustic model was theoretically built on the transfer matrix method to calculate and analyze the influences of the coating loss factor, density, Young's modulus and the frequency on underwater acoustic absorption properties. Simulation results showed that the acoustic absorption coefficient curves had a periodic change own to the steel plate resonance effect, meanwhile, the greater coating loss factor, the better acoustic absortpion properties; the greater coating density, the better effect of acoustic absorption at low frequencies, but at middle and high frequency. the larger Young's modulus of coating, the smaller the acoustic reflection coefficient and then the better the acoustic absorption performance.

• Periodical: Advanced Materials Research (Volumes 881-883)
• Pages: 1070-1073
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.881-883.1070
• Online since: January 2014
• Authors: Wei Hong Sun, Bo Liu, Xin Yan, Yong Qing Li
• Keywords: Acoustic Attenuation, Epoxy Resin (ER), Macroporous Resin Beads, Polyurethane, Transfer Matrix

References

[1] Y.N. Zhang, J. Pan: J Acoust Soc Am Vol. 133(2013) , p.2082-(2096).

[2] Y. Chen, S.H. Zhou, X.B. Zhang: Ship Science and Technology-Ch Ed Vol. 32(2010): pp.52-55.

[3] L.G. Yu, Z.H. Li, R.Q. Wang: Acta Phys Sin-Ch Ed Vol. 62(2013): 064301.

[4] H. Meng, J.H. Wen, H.G. Zhao, X.S. Wen: J Sound Vib Vol. 331(2012) , pp.4406-4416.

[5] A.A. Gokhale, N.V.R. Kumar, B: Sudhakar: Cellular Metals and Ceramics for Defence Applications. Defence Sci J Vol. 61(2011) , pp.567-575.

DOI: 10.14429/dsj.61.640

[6] V.G. Jayakumari, R.K. Shamsudeen, R. Ramesh: J Acoust Soc Am Vol. 130(2011) , pp.724-730.

[7] P.H. Mott, C.M. Roland, R.D. Corsaro: J Acoust Soc Am Vol. 111(2002), pp.1782-1790.

[8] C.R. Fuller, R.L. Harne: In Proceedings of Acoustics, Adelaide, Australia (2009) , pp.64-75.

[9] G.C. Gaunaurd: J Acoust Soc Am, Vol. 62(1977) , pp.298-307.

[10] A.M. Baird, F.H. Kerr: J Acoust Soc Am Vol. 105(1999) , pp.1527-1538.

[11] Y.L. Yuan, Z.X. Lu: Applied Mathematics and Mechanics Vol. 25(2004) , pp.481-487.

[12] H. Zhou, B. Li, G.S. Huang: J Appl Polym Sci Vol. 101(2006) , pp.2675-2679.