Yazarlar

• Buratti, Cinzia(1)
• Capozzoli, A.(1)
• Cuce, Erdem(1)
• Howlett, R.(1)
• Merli, Francesca(1)
• Moretti, Elisa(1)
• Serra, V.(1)

• BildiriYayıncıda açık erişim2017/r/bayburt/12541
  Thermal and Acoustic Properties of Aerogels: Preliminary Investigation of the Influence of Granule Size

  Moretti, Elisa; Merli, Francesca; Cuce, Erdem; Buratti, Cinzia; Capozzoli, A.; Serra, V.; Howlett, R.

  The influence of granules size in silica aerogels is experimentally investigated in terms of thermal and acoustic performance characteristics. The transmission loss (TL) is measured at normal incidence in a traditional impedance tube, whereas the thermal conductivity (λ) is evaluated using a Hot Plate apparatus, setting up an appropriate methodology, due to the nature of the sample. The results reveal that the small granules (granules size in the 0.01-1.2 mm range), which have the highest density, have the best performance both in terms of thermal and acoustic properties. Depending on the granules size, λ varies in 19-22 mW/mK range at 10°C, whereas a TL equal to 13 dB at about 6400 Hz for 20 mm thickness is obtained for small granules.

  AtıfScopus58·WoS46·OpenAlex63

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