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Artificial ventilation or respiration is when a machine assists in a metabolic process to exchange gases in the body by pulmonary ventilation, external respiration, and internal respiration. [1] A machine called a ventilator provides the person air manually by moving air in and out of the lungs when an individual is unable to breathe on their own.
Mechanical ventilation is the intentional fan-driven flow of outdoor air into and/or out from a building. Mechanical ventilation systems may include supply fans (which push outdoor air into a building), exhaust [3] fans (which draw air out of a building and thereby cause equal ventilation flow into a building), or a combination of both (called ...
Ventilation (architecture), the process of "changing" or replacing air in any space to provide high indoor air quality; Ventilation (firefighting), the expulsion of heat and smoke from a fire building; Ventilation (mining), flow of air to the underground workings of a mine of sufficient volume to dilute and remove noxious gases
Ventilation is present in buildings mainly for air quality reasons. It can be used additionally to remove both excess heat gains, as well as increase the velocity of the air and thereby widen the thermal comfort range. [3] Ventilative cooling is assessed by long-term evaluation indices. [4] Ventilative cooling is dependent on the availability ...
Underfloor air distribution (UFAD) is an air distribution strategy for providing ventilation and space conditioning in buildings as part of the design of a HVAC system. UFAD systems use an underfloor supply plenum located between the structural concrete slab and a raised floor system to supply conditioned air to supply outlets (usually floor ...
Bionic architecture is a contemporary movement that studies the physiological, behavioural, and structural adaptions of biological organisms as a source of inspiration for designing and constructing expressive buildings. [1]
Automatic bleeding valve, a plumbing valve used to automatically release trapped air from a heating system; Drain-waste-vent system or plumbing drainage venting, pipes leading from fixtures to the outdoors; Duct (flow), used to deliver and remove air; Flue, a duct, pipe, or chimney for conveying exhaust gases from a furnace or water heater
Whole Building Design Guide recommends separating ventilation from thermal conditioning so as to increase comfort. [ 13 ] Natural ventilation is discouraged in buildings that have strict filtration requirements, contaminant dilution concerns, special pressure relationships, speech privacy concerns, and internal heat load demands.