Вентиляция
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6 lesson Ventilation
- Bu sahifa navigatsiya:
- Ventilation
- Air exchange schemes Top down
VENTILATIONPlan:
NEW WORDS
VentilationIn the general case, ventilation is called controlled air exchange in the room.
by purpose: supply and exhaustaccording to the method of air movement: natural and mechanical;Natural ventilation which is uncontrolled air movement through cracks and small holes (infiltration) and through vents such as doors and windows. by service area: general exchange, local, emergency and anti-smoke;General ventilation is designed to ventilate the air in the entire room. General ventilation can also be supply and exhaust. Local ventilation is designed to supply fresh air to certain places (local supply ventilation) or to remove polluted air from places where harmful emissions are formed Smoke ventilation is provided to ensure the evacuation of people from the premises of the building in the initial stage of a fire. Air exchange schemes Top downwhen the harmfulness is heavier than air, the top-up scheme is used Top - topwhen harmfulness is lighter than air, top-up scheme is used Requirement of ventilation systems Sanitation-hygiene Economics Architectural and construction Production and installation OPERATIONAL Download 6.1 Mb. Do'stlaringiz bilan baham: |
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