Acoustic properties and potential applications of silica aerogels

Gibiat, Vincent; Lefeuvre, O.; Woignier, Thierry; Pelous, J.; Phalippou, J.

doi:10.1016/0022-3093(95)00049-6

Cited by 140 publications

(64 citation statements)

References 11 publications

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“…Sound velocities down to 40 m/s have been measured [21], whereas (non-monolith) commercial products claim to have a sound velocity of ~100 m/s through the structure [4]. Granular aerogels are exceptional reflectors of audible sound, making excellent barrier materials [18,23]. By combining multiple layers with different granular sizes, average attenuations of -60 dB has been found for a total thickness of only 7 cm [60].…”

Section: Acoustic Propertiesmentioning

confidence: 99%

Aerogel insulation for building applications: A state-of-the-art review

Bætens

Jelle

Gustavsen

2011

Energy and Buildings

921

465

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Aerogels are regarded as one of the most promising high performance thermal insulation materials for building applications today. With a thermal conductivity down to 13 mW/(mK) for commercial products they show remarkable characteristics compared to traditional thermal insulation materials. Also the possibility of high transmittances in the solar spectrum is of high interest for the construction sector. With the proper knowledge they give both the architect and engineer the opportunity of re-inventing architectural solutions. Within this work, a review is given on the knowledge of aerogel insulation in general and for building applications in particular.

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Section: Acoustic Propertiesmentioning

confidence: 99%

Aerogel insulation for building applications: A state-of-the-art review

Bætens

Jelle

Gustavsen

2011

Energy and Buildings

921

465

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“…For such an application, the thickness of the aerogel layer must be close to λ/4, corresponding to a few millimeters. However, a perfect mechanical contact between the transductor and the aerogel is difficult to achieve (Gronauer and Fricke 1986;Gibiat et al 1995).…”

Section: Aerogel Applicationsmentioning

confidence: 99%

Aerogel Sintering: From Optical Glasses to Nuclear Waste Containment

Phalippou

Dieudonné

Faivre

et al. 2016

Handbook of Sol-Gel Science and Technology

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“…Additionally, the lightweight and yet superior insulation performance leads to cost saving due to reduced volume, space and weight of the material, which requires less transportation cost, and storage and labour charges. Other major sectors are architectural [28][29][30][31][32] , automobiles [33][34][35] , cryogenics [36][37][38] , aerospace 39,40 and textiles 41 .…”

Section: Potential Industrial Applicationsmentioning

confidence: 99%

Development of Nanoporous Aerogel-Based Thermal Insulation Products:'Make in India' Initiative

Hebalkar

2017

Current Science

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The technology of manufacturing a silica aerogel thermal insulation product has been developed with the objective of indigenization under the 'Make in India' initiative. This world class product is now ready for commercial production. It possesses all the features and properties required for any ideal industrial thermal insulation material such as low thermal conductivity, light weight, good compressive strength, moisture, fire, corrosion and chemical resistance, antifungal, low shrinkage, sound-proof, non-toxic and ecofriendly. The increasingly gaining attention towards this highly efficient thermal insulation material is a hope to significantly contribute in achieving targets of energy conservation and saving.

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Acoustic properties and potential applications of silica aerogels

Cited by 140 publications

References 11 publications

Aerogel insulation for building applications: A state-of-the-art review

Aerogel insulation for building applications: A state-of-the-art review

Aerogel Sintering: From Optical Glasses to Nuclear Waste Containment

Development of Nanoporous Aerogel-Based Thermal Insulation Products:'Make in India' Initiative

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