Journal of the Korea Institute of Military Science and Technology (한국군사과학기술학회지)

The Korea Institute of Military Science and Technology (한국군사과학기술학회)
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Development of Analysis Model for Underwater Acoustic Performance of Multi-Layered Coatings Containing Visco-Elastic Composites

점탄성 복합재가 포함된 다층구조 코팅재의 수중음향성능 해석모델 개발

  • Kim, Jae Ho (The 6th Research and Development Institute, Agency for Defense Development)
  • 김재호 (국방과학연구소 제6기술연구본부)
  • Received : 2017.07.03
  • Accepted : 2018.01.12
  • Published : 2018.02.01
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Abstract

In this paper, an integrated analysis model for evaluating the underwater acoustic performance of the multilayered acoustic coatings containing visco-elastic composite layers with hollow glass microspheres is described. The model uses the effective medium theory considering the acoustic scattering and resonance effects of the inclusions. Also, the model incorporates the compressive deformation mechanism associated with hydrostatic pressure. The technique developed in this work was used as the acoustic layer design and performance analysis tools for the practical hull coatings and acoustic baffles in Korean next generation submarines.

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