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What are the different kinds of ventilation?
from:Ventilation is intentional or unintentional flow of air in a certain space or area to add to the quantity of fresh air and pull out the stale air out. Ventilation is essential part of home improvement. A mistake made by not creating proper ventilation places inside any house or building can be very dangerous. Since centuries architects have been taking care of ventilation areas and vents inside various designs of houses. Proper ventilation not just allows air to exchange inside the building but it also assists in maintaining the temperature of the place according to the existing climatic conditions. There are many types of ventilation:
Mechanical ventilation: it is quiet opposite to natural ventilation and takes place through a direct injection or a handling unit to any space using a fan. The exhaust fans can increase the natural ventilation or infiltration process and therefore enhances the rate of the air flow inside the building. Use of artificial or mechanical source is carried out in case of mechanical ventilation. Most of the times use of exhaust fan is made to push out the stale air and bring in oodles of fresh air to maintain the temperature of the building.
Infiltration: It is a process that is different from ventilation and is mostly used to collect ventilation air inside any room or building.
Natural ventilation: it usually involves connect the naturally available sources that remove or supply air within an enclosed space. Natural ventilation is further divided in to two processes like stack ventilation and wind driven ventilation. Both these types of ventilation are different from each other. Stack ventilation depends upon the buoyancy of the heated up air. The more is the amount of heated air the better is the stack ventilation. Wind driven ventilation, on the other hand depends on the force of the existing wind to push and pull the air from an enclosed place. Wind driven ventilation can be easily understood through its name. It is derived through a force, push or thrust of air within a particular space.
DVC or demand controlled ventilation helps in a better ventilation in home improvement designs. It helps in incorporating fresh air and saving the energy. Demand controlled ventilation is used to reduce the sum total of outdoor supply of air. The demand controlled ventilation is fitted with CO2 censors that help in managing the ventilation according to the number of occupants. In design occupancy, the demand controlled ventilation provides the same quantity of outdoor air as done by the ventilation rate method. Although demand controlled ventilation is able to generate considerable amount of energy savings at times when occupied space is below the level of design.
All these types of ventilation are considered while designing a building or house to allow right amount of air inside it.
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