Acoustic Properties of Aerogels: Current Status and Prospects

نویسندگان

چکیده

Noise reduction remains an important priority in the modern society, particular, for urban areas and highly populated cities. Insulation of buildings transport systems such as cars, trains airplanes has accelerated need to develop advanced materials. Various porous materials, commercially available foams granular fibrous are commonly used sound mitigating applications. In this review we examine a special class aerogels, provide overview current experimental theoretical status their acoustic properties. Aerogels can be comprised inorganic matter, synthetic or natural polymers well organic/inorganic composites hybrids. nanostructured materials with large number meso- small macropores; mechanisms absorption partly differ from those traditional absorbers possessing macropores. The understanding properties aerogels is far being complete, results remain scattered. It demonstrated that structure aerogel provides complex three-dimensional architecture ideally suited promising high-performance mitigation systems. This addition numerous other desirable which include low density, thermal conductivity, refractive index. article protected by copyright. All rights reserved.

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ژورنال

عنوان ژورنال: Advanced Engineering Materials

سال: 2022

ISSN: ['1527-2648', '1438-1656']

DOI: https://doi.org/10.1002/adem.202201137