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|Title:||Physical properties of insulation materials based on straw and flax boon|
|Citation:||Bakatovich A. Physical properties of insulation materials based on straw and flax boon/Aliaksandr Bakatovich, Nadezhda Bakatovich, Vladimir Mel'nikov //IOP Conference Series: Materials Science and Engineering, Volume 896, International Conference on Materials Physics, Building Structures and Technologies in Construction, Industrial and Production Engineering (MPCPE 2020) 27-28 April 2020, Vladimir State University named after Alexander and Nikolay Stoletovs, Vladimir, Russian Federation. doi:10.1088/1757-899X/896/1/012112. OPEN ACCESS: https://iopscience.iop.org/article/10.1088/1757-899X/896/1/012112#artAbst|
|Abstract:||Performance evaluation of environmentally friendly thermal insulation materials based on crushed straw and flax boon was determined by studying the physical parameters of thermal insulation in a climatic chamber and full-scale tests in buildings. In the climatic chamber at an air temperature of –20 °С, depending on the insulation moisture content, the thermal conductivity of the flax boon and straw slabs is 0.058 - 0.072 W/(m·°С), which is 27 - 31% lower than that of straw slabs equal to 0.08 - 0.105 W/(m·°C). With a relative air humidity of 50 - 95%, the moisture content of the flax boon and straw slabs varies within the range of 14 - 18.1% or less by 24% of the values of the crushed straw insulation. Under operating conditions, the thermal conductivity of the attic floor structure with flax boon and straw slabs corresponds to 0.07 W/(m·°C) at an air temperature of –20°C and is 22% less than the similar indicator of flooring with straw slabs equal to 0.09 W/(m·°C). A lower thermal conductivity of the floor structure with the use of flax boon and straw slabs provides an increase in temperature amplitude by 5 - 5.8 °C compared with the use of straw slabs. The results of studies in the climatic chamber and full-scale tests have confirmed the most effective operation of the flax boon and straw slabs as a thermal insulation material, which reduces energy consumption and, consequently, reduces financial costs for heating buildings.|
|Appears in Collections:||Публикации авторов ПГУ в Scopus и Web of Science|
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