air ventilation


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air ventilation

The quantity of air which must be supplied to maintain the desired quality of air within a space.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
"The air ventilation route can be used in rescuing trapped miners, but unfortunately local contractors running coal mines and owners and companies not interested to adopt safety measure for workers." Sultan Lala said and claimed in April dozens of miners were killed and 40 injured with burn injuries due to mine explosion.
"This action has been taken as a proactive measure after checks were carried out on our air ventilation and ducting systems, which identified inconsistencies in the way air is ventilated through the theatres.
As such, an alternative method for outdoor air ventilation may be timely.
The ultraclean air ventilation system in the operating room consists of a ceiling outlet (2 m x 2.4 m) equipped with a high-efficiency particle air filter (HEPA H14).
These mattresses react to forces differently than the regular Visco foam, providing support in all the 3 directions thus reducing the pressure points along with sound air ventilation, thermal regulation and ergonomics.
The Civil Defence director-general urged citizens and residents to take necessary precautionary measures and open the doors and windows for air ventilation in case of gas leak.
The holes are necessary for air ventilation to prevent overheating.
The difference in air pressure was put down to Boeing Co.'s faulty maintenance as two small holes on the container -- necessary for air ventilation to prevent overheating -- were mistakenly sealed when it repaired the battery system, Kyodo said citing JAL.
Two tenders for the supply of (a) two motors for air ventilation blowers & gases recycling, also (b) supply, erection & testing of a cross head (heater) with bundle without shell including the dismantling of the old heater, also testing and (furnishing) of a man way closure plate for the heater no.
Linking indoor C02 levels with direct effects on mental performance calls into question current policies that significantly limit outdoor air ventilation per person in order to reduce energy consumption.
As the outdoor air ventilation rate per person decreases, the magnitude of the indoor-outdoor difference in C[O.sub.2] concentration increases.
"Opening windows and doors, operating window or attic fans when the weather permits, or running a window air conditioner with the vent control open, increases the outdoor ventilation rate." The agency adds that local bathroom or kitchen fans that exhaust outdoors also remove contaminants while increasing the outdoor air ventilation rate.