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首页> 外文期刊>Facta universitatis - series: Architecture and Civil Engineering >Design of the vapor diffusion characteristics of the exterior facing of the facade thermal insulation systems
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Design of the vapor diffusion characteristics of the exterior facing of the facade thermal insulation systems

机译：外墙保温系统外墙面的蒸汽扩散特性设计

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摘要

Various facade facings - systems made of thermal insulation materials with the finishing facade renders which are directly applied to the facade walls are simple for construction and are applied in the newly built structures and they are also suitable for the application in the cases of the energy revitalization of the existing buildings. The exterior walls, and especially their outer layers, are exposed to various atmospheric influences. They cause different effects in the walls, one of them being the occurrence of the water vapor condensation. In the walls with the facade thermal insulation systems, the occurrence of the water vapor condensation may be caused by the vapor diffusion characteristics of the exterior render. At certain temperatures and humidity of the external and internal air, there are several conditions for the occurrence of the water vapor condensation in the wall with the facade thermal insulation system, when the exterior render is of higher relative resistance to the water vapor diffusion. Therefore, it is useful to determine the vapor diffusion characteristics, that is, highest values of the relative resistance to the water vapor diffusion of the exterior renders which will not cause the condensation of the water vapor in the wall, or at least those that will not cause the impermissible dampening of the wall material, and will allow for the possibility of moisture drying.
机译：各种外墙饰面-由隔热材料制成的系统以及直接用于外墙饰面的饰面外墙饰面易于施工，可应用于新建结构，也适用于能源再生的应用现有建筑物。外壁，特别是它们的外层，受到各种大气的影响。它们在墙壁上产生不同的影响，其中之一是水蒸气冷凝的发生。在带有立面隔热系统的墙壁中，水蒸气冷凝的发生可能是由外部抹灰的蒸气扩散特性引起的。在外部和内部空气的一定温度和湿度下，当外部外墙对水蒸气的扩散具有较高的相对阻力时，在具有外墙隔热系统的墙中会发生水蒸气冷凝的条件有多个。因此，确定蒸气扩散特性是有用的，即，对外部抹灰的水蒸气扩散的相对阻力的最高值将不会引起水蒸气在壁中的凝结，或者至少不会导致凝结的那些。不会导致不允许的壁材受潮，并可能导致水分干燥。

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