Heat, Water and Water Vapor Transport and Storage Properties of Alkali-Activated Aluminosilicates

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F18%3A00323709" target="_blank" >RIV/68407700:21110/18:00323709 - isvavai.cz</a>

Výsledek na webu

<a href="https://aip.scitation.org/doi/abs/10.1063/1.5079091" target="_blank" >https://aip.scitation.org/doi/abs/10.1063/1.5079091</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1063/1.5079091" target="_blank" >10.1063/1.5079091</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Heat, Water and Water Vapor Transport and Storage Properties of Alkali-Activated Aluminosilicates

Popis výsledku v původním jazyce

Alkali-activated aluminosilicates (AAA) are promising materials alternative to the cement-based ones due to high strength, very good chemical resistance and durability. As well as for cement-based materials, enhancement of electric properties of AAA allows to classify such materials not just as smart materials. AAA with enhanced electric properties by means of addition of sufficiently high amount of electrically conductive admixtures are promising in terms of self-heating or self-sensing ability. In case of self-heating composites, sufficient electrical conductivity is needed to increase ability to generate heat. Besides, thermal conductivity must be sufficiently high in order to effectively spread generated heat. However, the effective electrical conductivity and the effective thermal conductivity of AAA is significantly affected by amount of water present in pores. It is therefore important to experimentally determine heat, water and water vapour transport and accumulation properties. In this paper, thermal properties represented by the thermal conductivity and the specific heat capacity, hygric properties represented by the water absorption coefficient, the apparent moisture diffusivity, the water vapour diffusion coefficient, the water vapour resistance factor and sorption isotherm were investigated for the reference AAA and AAA electrically enhanced by carbon black (CB) in amount of 5.56 %.

Název v anglickém jazyce

Heat, Water and Water Vapor Transport and Storage Properties of Alkali-Activated Aluminosilicates

Popis výsledku anglicky

Alkali-activated aluminosilicates (AAA) are promising materials alternative to the cement-based ones due to high strength, very good chemical resistance and durability. As well as for cement-based materials, enhancement of electric properties of AAA allows to classify such materials not just as smart materials. AAA with enhanced electric properties by means of addition of sufficiently high amount of electrically conductive admixtures are promising in terms of self-heating or self-sensing ability. In case of self-heating composites, sufficient electrical conductivity is needed to increase ability to generate heat. Besides, thermal conductivity must be sufficiently high in order to effectively spread generated heat. However, the effective electrical conductivity and the effective thermal conductivity of AAA is significantly affected by amount of water present in pores. It is therefore important to experimentally determine heat, water and water vapour transport and accumulation properties. In this paper, thermal properties represented by the thermal conductivity and the specific heat capacity, hygric properties represented by the water absorption coefficient, the apparent moisture diffusivity, the water vapour diffusion coefficient, the water vapour resistance factor and sorption isotherm were investigated for the reference AAA and AAA electrically enhanced by carbon black (CB) in amount of 5.56 %.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Projekt

<a href="/cs/project/GA16-00567S" target="_blank" >GA16-00567S: Alkalicky aktivované aluminosilikátové kompozity se zvýšenou elektrickou vodivostí</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of the International Conference of Computational Methods in Sciences and Engineering 2018 (ICCMSE-2018)

ISBN

978-0-7354-1766-3

ISSN

—

e-ISSN

—

Počet stran výsledku

4

Strana od-do

—

Název nakladatele

AIP Conference Proceedings

Místo vydání

New York

Místo konání akce

Thessaloniki

Datum konání akce

14. 3. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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