水下目标吸声材料和结构的研究

Overview of new materials and structures for underwater sound absorption

摘要: 全面了解和掌握水下吸声材料及结构在应用频率范围内其不同温度、压力等环境下的声学性能,对于水下目标结构的声隐身设计具有重要意义。结合近年来水下目标吸声材料和结构的应用及研究,从材料声学设计的角度,讨论了水下吸声材料的声学特性和研究进展。还对水下吸声结构的形式、吸声机理和应用情况进行了归纳和评述。最后预测了水下目标吸声材料和结构的发展趋势。

Abstract: For designing sound stealth,it is important to study characteristics of underwater sound-absorbing materials and structures in different ranges of frequency,temperature and pressure.In this paper,research of acoustic characteristics and developments of underwater sound-absorbing material are surveyed in view of material acoustics.Configuration,sound absorbing principles,and applications of structures are analyzed and summarized.Prospects of various materials and their configurations are previewed.