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Content available remote Porous structures and their effect on thermophysical properties of thermal protection elements
Pavlenko A. M., Cheilytko A., Ilin S.
Journal of New Technologies in Environmental Science
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2018
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Vol. 2, nr 3
125--133
EN
The improvement of the thermal insulating material thermophysical characteristics of the thermal protection elements by studying the porous structure is a promising direction of research. The article describes the effects of the porosity and coupling of the porous structure on the thermophysical characteristics of thermal insulating materials. The article uses standard systematized techniques and instruments of scientific research applied in thermophysics. The research methodology of highly-porous material thermophysical properties is based on performance of empirical laboratory investigations of the samples obtained.
2
Content available remote Investigation of the process of pore formation based materials hydrosilicates
Pavlenko A. M., Cheilytko A.
Journal of New Technologies in Environmental Science
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2018
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Vol. 2, nr 4
174--182
EN
Research porosity thermal insulation of refractory materials is the important task of power engineering, because the thermal conductivity of porous materials depends on the shape and especially location of pore. Analytical review of existing technologies shows that research in this area focused on the study of a process separately and generalized theories is not sufficient to clear analysis and model building process heat mass transfer of alumina porous material. Experimental and generalization of the characteristics of heat and mass transfer in porous materials that swelling is actual scientific problem. In this paper analyzes the different composition of aluminous minerals, aluminum effect of additives on the formation of pores, as well as the influence of various impurities on the thermal conductivity of the material. The effect of temperature on the thermal conductivity of porous materials.
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