Abstract
Background Modern living standards imply high requirements for conditions of life in which a person stays for a long time. In this connection, the problem of effective management and flexible regulation of heating and ventilation systems of buildings is particularly relevant. Aims and Objectives The paper offers methods that would ensure proper performance of the heating and ventilation systems in buildings. Methods The paper presents results of experimental studies, for which temperature and air pressure measuring device was designed and implemented by «Bashel» LLC. The device consists of two sensors: the temperature sensor with an accuracy of ± 0,1 ° C and the pressure sensor with an accuracy of ± 1 bar, which are connected via a cable to a controller having a display showing the measured values. One measurement time is about 5 min, the maximum distance is 2 m. Results To assess the impact of the outdoor air parameters on the parameters of indoor climate, the temperature and internal air pressure were being measured during three days at different levels in the room of an apartment house in Ufa. Following the experimental data obtained, plots of indoor air temperature versus wind speed and the outside air temperature were built and allowed the conclusion that the wind pressure impacts significantly on the indoor climate and that it is necessary to consider these parameters in building design and operation. Conclusion The collected theoretical and practical material allows conclusion that in order to ensure the required microclimate in the premises and proper performance of the building heating and ventilation systems the wind pressure generated by the outside air shall be taken into account. In winter, the impact of wind action must be compensated by a corresponding change in the supply of heat to the heating system. In summer, the most effective method is the use of ejecting axial fan running in automatic mode and activated by a pressure sensor.
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