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STUDY OF THERMAL INSULATING PROPERTIES OF INSULATORS BASED ON BY-PRODUCTS UNDER VACUUM

Zach, J.; Zachova, P.; Novak, V.; Peterkova, J.
Abstract:
In building materials, under reduced pressure, a significant improvement in thermal insulation properties occurs due to the elimination of conduction and flow through the gas phase filling the pore system of insulators (in case of the most insulators). This effect is used in the manufacture of vacuum insulating panels. In earlier times, vacuum insulating panels have only been produced with glass wool or SiO2 based insulators, but alternative insulating panels have also begun in recent years. These insulators are then more environmentally friendly and are also generally more affordable. The paper describes the research results in the field of studying the behavior of insulators on the basis of secondary raw materials under reduced pressure till vacuum and their possibilities for use in the manufacture of vacuum insulating panels. These are mainly secondary raw materials from agriculture and the textile industry. In the framework of the research it was verified the possible utilization of waste fibers arising from the pulping of textile and agricultural crops for the production of thermally bonded insulators, and then study of their key properties in dependence on pressure.
SGEM Research areas:
Year:
2019
Type of Publication:
In Proceedings
Keywords:
vacuum insulation panels (VIP); core insulator; thermal conductivity; by-products
Volume:
19
SGEM Book title:
19th International Multidisciplinary Scientific GeoConference SGEM 2019
Book number:
6.2
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
263-270
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
30 June - 6 July, 2019
ISBN:
978-619-7408-89-8
ISSN:
1314-2704
Conference:
19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
DOI:
10.5593/sgem2019/6.2/S26.034
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