What is Jet Fan?

What is Jet Fan?
Parking lots where the total area of ​​the open spaces on the outer walls is less than 5% of the entire parking area is defined as a closed parking lot and requires mechanical ventilation. In addition, underground car parks are classified as indoor car parks because they do not have open spaces. Mechanical ventilation in parking garages should be applied considering all floors in the parking lots in order to consume the dust, CO and other harmful gases produced by the vehicles and to provide daily ventilation. The required smoke exhaust air flow values ​​are calculated in the event of a fire occurring on the floor with the highest volume to create a suitable jet fan system.
Mechanical ventilation and smoke exhaust system can be designed as two types in parking garages with a total area of ​​more than 2000 m2.
Features of Jet Fan
Jet fans move the air mass in front of them by pushing and sweeping the air over a large area with high thrust. They have a great impact over a large area by moving the air around them. Jet fans are selected based on thrust values ​​such as 20n, 30N, 50N, 80N and 100n and are selected based on architectural design and impact area to ensure there is no stagnant air in the parking lot.
Whether residential, office complex or factory building – every building has specific requirements for ventilation. One of the special challenges here is underground and multi-storey car parks, where the air is severely polluted with carbon monoxide, nitrous oxide due to carbon monoxide and nitrous oxide. Another conservation area is the building itself. Minimizing moisture damage with the right ventilation strategies taking into account the dew point of fresh air is just a keyword here. Therefore, polluted air must be removed quickly and safely. However, the ductwork systems often used for this take up a lot of space, often bypassing other services and creating a high pressure drop like power or water lines, resulting in a high energy consumption. This investment is reflected in installation and operating costs.

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