Modeling of Interaction of External Enclosing Structures of Buildings with The Internal and External Environments

Purpose: One of the significant factors influencing the economical consumption of energy during the operation of buildings is the use of external enclosing structures with enhanced heat-shielding properties. The development of such fences should be based both on the methods of building heating engineering, the laws of heat and mass transfer and thermodynamics, and on mathematical modeling of their interaction with the external and internal environments. The issues of formation of the microclimate of building premises are considered depending on the structure of the fencing material and possible defects (discontinuity - cracks in the material and joints) based on mathematical modeling of the interaction of external enclosing structures with the internal and external environments. As a criterion that determines the physical state of the enclosing structure during its interaction with the external environment, a theoretically established parameter is proposed - a change in air flow through a free volume cell.

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