air conditioning

Today's climate changes caused by anthropogenic factors are occurring according to a dramatic scenario. One of the consequences is the urban heat island effect (UHI). It is caused by the accumulation of heat by urban development. Living in the central part of the city has a number of advantages and is more environmentally friendly comparing with suburbs living. However, city centers are gradually becoming less appropriate for human living. One of the main reasons is the UHI effect. It intensify unfovarable environmental conditions, especially during the hot season.

The article is devoted to increasing the efficiency of the air conditioning systems of clean rooms, which maintain the microclimate parameters in a given range according to several indicators - the number and size per 1 m³ of dust particles, aerosols, microorganisms and pressure, humidity, and temperature.

Clean rooms are used in microelectronics, instrumentation, medicine and medical industry, pharmacology, laboratories, optics production, food industry, biotechnology, aviation, and space industry.

The mathematical model of the air conditioning system has been developed. It is based on the analysis of thermoeconomic energy efficiency indicators and it is solved in a complex way: by defining the optimal parameters taking into account the non-stationary heat of the tides and by determining the optimal device for optimizing the operating modes of the refrigeration system. When designing an air-conditioning system, a thermoeconomic analysis was made for an object being created.