MATHEMATICAL MODELLING OF THE VENTILATION SYSTEM OF A RESIDENTIAL BUILDING IN CONDITION THAT DIFFER FROM STANDARD

The natural ventilation systems of multi-story residential buildings are designed to meet the requirements for maximum air exchange. Their calculations under conditions significantly different from standard, usually do not carry out and therefore provide measures prevent their unstable operation. article presents results analysis system a two-room section ten-story building using mathematical model. To supply apartment, valves used. is removed apartments through two ducts. All apartments, except last floors, connected them via satellite channels. equations model based on graph hydraulic network. It includes balance flow in nodes pressure change links. In this case, data presented catalogs equipment manufacturers was calculation that differ design ones presented, such as: significant differences individual use exhaust fans some low outdoor temperature. consideration allows us explain observed practice penetration ducts one apartment another. shown main causes phenomenon transmission modern window structures high resistance valves, with various resistances. proposed approach already at project stage quantify operation standard optimize its design.