Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pore-size distribution effects on the thermal conductivity of the fired clay body from lightweight bricks
This study investigated the effects of three pore-forming agents on the properties of the fired clay body applied in the production of lightweight bricks for the building envelopes. Test samples were made from clay raw material already containing two combustible pore-forming agents (sawdust and cellulose sludge). A part of this research was focused on studying the influence of adding two combustible pore-forming agents (molasses and cornstarch) and a chemical additive Vuppor to the claw raw material. Testing of the material properties showed that although the three samples had almost the same pore volume, their thermal conductivities varied. These findings led to an important conclusion. The pore size of 1–200 µm (filled with not only air but also biomass ash) reduced the thermal conductivity, and conversely, an increase in the small pore size less than 1 µm increased the thermal conductivity of the fired clay body.
Pore-size distribution effects on the thermal conductivity of the fired clay body from lightweight bricks
This study investigated the effects of three pore-forming agents on the properties of the fired clay body applied in the production of lightweight bricks for the building envelopes. Test samples were made from clay raw material already containing two combustible pore-forming agents (sawdust and cellulose sludge). A part of this research was focused on studying the influence of adding two combustible pore-forming agents (molasses and cornstarch) and a chemical additive Vuppor to the claw raw material. Testing of the material properties showed that although the three samples had almost the same pore volume, their thermal conductivities varied. These findings led to an important conclusion. The pore size of 1–200 µm (filled with not only air but also biomass ash) reduced the thermal conductivity, and conversely, an increase in the small pore size less than 1 µm increased the thermal conductivity of the fired clay body.
Pore-size distribution effects on the thermal conductivity of the fired clay body from lightweight bricks
Šveda, Mikuláš (Autor:in) / Janík, Branislav (Autor:in) / Pavlík, Vladimír (Autor:in) / Štefunková, Zuzana (Autor:in) / Pavlendová, Gabriela (Autor:in) / Šín, Peter (Autor:in) / Sokolář, Radomír (Autor:in)
Journal of Building Physics ; 41 ; 78-94
01.07.2017
17 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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