forced ventilation

forced ventilation

[¦fȯrst ‚vent·əl′ā·shən]
(mechanical engineering)
A system of ventilation in which air is forced through ventilation ducts under pressure.

forced ventilation

The circulation of air by a fan or blower.
References in periodicals archive ?
Tenders Are Invited For Forced Ventilation Unit With Frp Impeller For Cooling
Confined space training outlines the skills and protocols for safe entry, and includes precautions such as locking and tagging out connecting piping, testing of breathable air quality, forced ventilation, observation of workers in the space, and a predetermined rescue plan with appropriate safety harnesses and other rescue equipment standing by.
In both cases, forced ventilation is needed to maintain acceptable air quality, because occupants usually cannot open windows for energy, noise and security reasons.
Where there are potential hazards, OSHA rules require an elaborate and exacting process, including permits, lifelines, attendants, emergency response equipment, forced ventilation, monitoring, training and more.
However there is limited data on the combined effects of water-misting sprays with forced ventilation on broilers after transport during the summer season.
Forced ventilation is also used when the speed of the motor is controlled by a frequency inverter.
In practice, forced ventilation with heat recovery is a common system for industrial halls in a moderate climate, in which the halls can be efficiently cooled by drawing in ambient air at a lower temperature.
2012) working with medicinal plant (Rhodiola cremulata) related that forced ventilation was employed in the temporary immersion bioreactor in order to decrease the hyperhydration rate, which improve shoot quality and enhance the multiplication ratio when compared with the others micropropagtion methods.
Contractors will cut new drainage channels in the bedrock and will have to employ forced ventilation to allow workmen to breath.
Massed tulip bulbs can produce enough ethylene gas to mess up their eventual flowering, hence the frequent forced ventilation.
FCA W disadvantages, mainly the emission of pollutants, can be counteracted by their rigorous control and local forced ventilation in the production.
The forced ventilation evaporative cooling system was designed such that the temperature could be significantly reduced below ambient temperature, while maintaining a relative humidity up to high.