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Bibliografia publikacji pracowników
Państwowej Szkoły Wyższej w Białej Podlaskiej

Baza tworzona przez Bibliotekę Akademii Bialskiej im. Jana Pawła II.


Zapytanie: GAS-FILLED POLYMER MATERIALS
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Charakterystyka merytoryczna: kcji Bibliometrii.^aBased on the analysis of the structure of different types of gas-filled polymers (foams) during operation, it is shown that as a result of hydrothermal degradation, defects arise, leading to its change with the formation of predominantly communicating cells, which makes it possible to attribute them to structures with interpenetrating geometrically equal components. When modeling such a structure, an adequate model with an ordered structure consisting of identical elementary cells was used. The penetration of the heat flux through the unit cell is described using one of the possible methods of the theory of generalized conductivity and, as an example, a dependence is established to determine the effective thermal conductivity of the material. A number of dependencies are considered for determining the effective thermal conductivity of cellular structures with interpenetrating components and with isolated inclusions. An experimental check of these dependencies shows that the experimental data are most accurately reproduced by dependences for structures with interpenetrating components (open cellular structure). The best of them are recommended for determining the thermal conductivity both of dry and wet foams.^acellular structure^acalculated thermal conductivity^ainterpenetrating components^aelementary cell
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