文章基本信息

标题：Heat- and cooling systems
本地全文：下载
作者：Artak A. Grigoryan ; Karapet A. Ter-Zakaryan ; Alexander I. Panchenko 等
期刊名称：Stroitel’stvo: Nauka i Obrazovanie
印刷版ISSN：2305-5502
出版年度：2019
卷号：9
期号：4
页码：1-13
DOI：10.22227/2305-5502.2019.4.7
语种：English
出版社：Moscow State University of Civil Engineering (MGSU)
摘要：The article discusses the various aspects of the use of foamed polyethylene, implemented at sports facilities in Armenia.Firstly, it is a roof insulation system.Secondly, the implementation of insulation systems to preserve the cold in the territory of open sports facilities, in particular, to preserve snow reserves in ski resorts.Additional requirements are imposed on the thermal insulation material for such structures.The material, in addition to high thermotechnical properties, must be airtight, lightweight, easy to install and maintain, durable, resistant to infection by bacteria and fungi, it is easy to tolerate temperature extremes.Materials and methods.The article presents the results of a study of the properties (heat conductivity density, vapor permeability, water absorption) and application features (resistance to the effects of temperature, humidity, aggressive components contained in the air, that is, its high operational stability) of rolled non-cross-linked polyethylene foam when creating insulating sheets that protect snow from melting.Results.It was found that polyethylene foam in the insulating system maintains the stability of mechanical and thermophysical properties.Taking into account all the functional features of the implementation of insulation systems, the principles of protection and preservation (conservation) of snow cover have been developed, implemented on the mountain slopes and plateau of ski facilities.Rolls of foamed polyethylene were joined end-to-end and mechanically fixed.Conclusions.Thus, a seamless insulating coating was formed, covering the entire hillside — “thermal blanket”.The insulation system is operated during the off-season between March and September, during a period of stable positive temperatures.
其他摘要：Рассмотрены различные аспекты применения вспененного полиэтилена на спортивных объектах Армении — это системы теплоизоляции кровли;реализация изоляционных систем для сохранения холода на территории открытых спортивных сооружений, в частности, для сохранен
关键词：polyethylene foam;reflective thermal insulation;mechanical fixation;conservation of snow cover;thermal resistance of the insulating shell;diffusion moisture absorption;insulated surface;seamless insulating shell
其他关键词：пенополиэтилен;отражающая теплоизоляция;механическая фиксация;консервации снегового покрытия;термическое сопротивление изолирующей оболочки;диффузионное влагопоглощение;изолируемая поверхность;бесшовная изоляционная оболочка