Efficiency of Operation of Wall Valves for Supply Forced Ventilation with Air Purification in Multi-Apartment Residential Buildings

The results of studies of the efficiency of the wall valves of supply forced ventilation with air purification when implemented in multi-storey construction of residential buildings are presented. As sorption filters become polluted, the aerodynamic drag coefficient increases from 30 days to 90–120 days, by 1.3 times, the pressure difference is more than 2 Pa for 90–120 days (3–4 months). Depending on the degree of pollution of the supply air, it is necessary to replace sorbents at different intensities of highways located near buildings: over 2000 auth./h – after 30 days, up to 1000 auth./h – after 56–60 days; over 500 auth./h – 90 days upwind, 120 days downwind. The average service life of sorbents for the windward side of the facade of buildings is 90 days (3 months), from the leeward side – after 120 days (4 months). The temperature fields of the surfaces of enclosing structures are constructed during the operation of supply ventilation valves with air purification for 1 hour and with the valves closed. When regulating the supply air flow rate from 55–120 m³/h using the supply ventilation valve control unit with air purification in different periods of the year, the heat loss for heating the supply air with heating radiators is reduced by 2.5–3 times.

N.A. LITVINOVA¹, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.);
V.N. AZAROV², Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

¹ Tyumen Industrial University (38, Volodarsky Street, Tyumen, 625005, Russian Federation)
² Volgograd State Technical University (1, Akademicheskaya Street, Volgograd, 400005, Russian Federation)

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