Abstract
The paper presents the interim results of our research on the developing methodological procedure which could be used for assessment of a thermal stability of buildings with regards to its thermal accumulative parameters. The principle of testing is based on a combination of computer simulation of cooled room model developed in COMSOL Multiphysics software and on theoretical calculations with respect to compliance with valid European and Czech technical standards used in building industry and architecture under conditions obtained by real measurement for the room to be tested. The presented example shows the effect of the heataccumulation properties of the outside wall insulation materials on the course of the cooling room for winter conditions.
Highlights
Each residential building is characterized by energy consumption and energy gains
In terms of the assessment of the heat accumulation parameters, consideration should be given to the time delay of the response of the indoor environment to changing outdoor conditions
These problems are solved in the technical standard CSN EN 13790 [1] and related CSN EN 13792 [2], CSN EN 13786 [3], CSN EN 15251 [4] and CSN 06 0220 [5] and, to a certain extent, CSN 73 0540 [6]
Summary
Each residential building is characterized by energy consumption and energy gains. The energy demands depend on many factors such as the climatic conditions, the purpose of the object, and the requirements of the indoor environment, and so on. The design of the buildings is emphasis on minimizing energy consumption while minimizing investment and operating costs while keeping the required internal environment parameters These costs strongly depend on the building’s thermal storage parameters and can be influenced by their construction. In terms of the assessment of the heat accumulation parameters, consideration should be given to the time delay of the response of the indoor environment to changing outdoor conditions These problems are solved in the technical standard CSN EN 13790 [1] and related CSN EN 13792 [2], CSN EN 13786 [3], CSN EN 15251 [4] and CSN 06 0220 [5] and, to a certain extent, CSN 73 0540 [6]. We describe the procedure by which it is possible to combine both computer simulation and theoretical calculations to determine the heat losses of the room to be taken under simplified assumptions for the assessment of thermal insulating materials of the external wall or the heat-accumulation properties of the room to be tested
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