Improving the Efficiency of Non-Stationary Climate Control in Buildings with a Non-Constant Stay of People by Using Porous Materials

Abstract

This article presents the results of experimental research on the non-stationary management of the internal climate of buildings with a non-constant stay of people. During the absence of people, a significant drop in air temperature and corresponding energy conservation in heating is possible. The effectiveness of porous building materials is shown, provided that the appropriate characteristics are selected. Daily fluctuations in the outside temperature are completely extinguished by a layer of foam polystyrene insulation. The absence of channel porosity in the structural material of the wall is a guarantee of the stability of its thermal and humidity regime. This, in turn, prevents the development of mold and mildew.

Heat and Mass Transfer in Porous Materials

“…A typical case for these applications is the condensation of steam in building walls, in which the absorption of moisture has a very detrimental effect on the thermal and mechanical properties of the materials. It is known that when a PM is in contact with warm, moist air on one side and with a cold wall on the other side, condensation can occur in the PM at certain temperatures and humidity, which will affect the thermal insulation and mechanical properties of the structure [ 25 ]. Despite the fact that mathematical modelling of heat and mass transfer in porous media has been well studied [ 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 ], the mathematical approaches and assumptions used in many cases give only approximate predictions of the dynamics of this phenomenon.…”

“…Although significant attention has been paid to these issues, there remains a constant demand for innovative solutions to address a wide range of problems in this area. Therefore, this special issue attempts to highlight and propose new solutions to these problems [ 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 ]. These works develop a basic understanding of the scientific problems of heat and mass transfer in porous materials.…”

Comprehensive Study of the Microclimate Parameters in the Residential Building

“… analysis of thermal losses in buildings [3,4,9,14,18];  analysis of energy efficiency and flexibility of the air conditioning and heating [1,15];  creating and improving calculation methods, algorithms to achieve optimal and effective energy consumption during peak hours [7,8,13,17];  experimental research using modern materials and studying their impact on increasing energy efficiency of buildings [11,16];  developing heat indicators and energy efficiency class limits in buildings [2,5,10,12]. The research papers analyzed point to a lack of studies on the impact of the microclimate of residential buildings on their efficiency.…”