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Thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black

Silica aerogel with extremely low thermal conductivity has great potential to be used as thermal insulating material. Opacification using carbon black is normally applied to reduce radiative heat loss in silica aerogel. This work attempted to replace carbon black with activated carbon as opacifer. B...

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Main Authors: Kow, Kien-Woh, Yusoff, Rozita, Abdul Raman, Abdul Aziz, Abdullah, Ezzat Chan
Format: Article
Published: Trans Tech Publications 2014
Subjects:
T Technology
Online Access:http://eprints.utm.my/id/eprint/63054/
http://dx.doi.org/10.4028/www.scientific.net/AMR.941-944.2482
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spelling my.utm.630542017-06-14T02:52:23Z http://eprints.utm.my/id/eprint/63054/ Thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black Kow, Kien-Woh Yusoff, Rozita Abdul Raman, Abdul Aziz Abdullah, Ezzat Chan T Technology Silica aerogel with extremely low thermal conductivity has great potential to be used as thermal insulating material. Opacification using carbon black is normally applied to reduce radiative heat loss in silica aerogel. This work attempted to replace carbon black with activated carbon as opacifer. Both the silica aerogel and activated carbon were synthesized via bamboo leaf. Effects of carbon loading and temperatures on the thermal conductivity of opacified aerogel were studied.The results show that an optimal carbon loading that minimizedthe thermal conductivity present at different temperatures. Such optimal loading increased as temperature applied to the opacified aerogel increased. Properties of aerogels opacified with activated carbon were also compared with aerogels opacified with carbon black. Trans Tech Publications 2014 Article PeerReviewed Kow, Kien-Woh and Yusoff, Rozita and Abdul Raman, Abdul Aziz and Abdullah, Ezzat Chan (2014) Thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black. Advanced Materials Research, 941-94 . pp. 2482-2485. ISSN 1662-8985 http://dx.doi.org/10.4028/www.scientific.net/AMR.941-944.2482 DOI:10.4028/www.scientific.net/AMR.941-944.2482
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic T Technology
spellingShingle T Technology
Kow, Kien-Woh
Yusoff, Rozita
Abdul Raman, Abdul Aziz
Abdullah, Ezzat Chan
Thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black
description Silica aerogel with extremely low thermal conductivity has great potential to be used as thermal insulating material. Opacification using carbon black is normally applied to reduce radiative heat loss in silica aerogel. This work attempted to replace carbon black with activated carbon as opacifer. Both the silica aerogel and activated carbon were synthesized via bamboo leaf. Effects of carbon loading and temperatures on the thermal conductivity of opacified aerogel were studied.The results show that an optimal carbon loading that minimizedthe thermal conductivity present at different temperatures. Such optimal loading increased as temperature applied to the opacified aerogel increased. Properties of aerogels opacified with activated carbon were also compared with aerogels opacified with carbon black.
format Article
author Kow, Kien-Woh
Yusoff, Rozita
Abdul Raman, Abdul Aziz
Abdullah, Ezzat Chan
author_facet Kow, Kien-Woh
Yusoff, Rozita
Abdul Raman, Abdul Aziz
Abdullah, Ezzat Chan
author_sort Kow, Kien-Woh
title Thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black
title_short Thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black
title_full Thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black
title_fullStr Thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black
title_full_unstemmed Thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black
title_sort thermal insulative performance of bamboo leaf aerogel opacified usingactivated carbon compared with carbon black
publisher Trans Tech Publications
publishDate 2014
url http://eprints.utm.my/id/eprint/63054/
http://dx.doi.org/10.4028/www.scientific.net/AMR.941-944.2482
_version_ 1643655604244316160
score 13.211869

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