air curtain


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air curtain

n
(Mechanical Engineering) an air stream across a doorway to exclude draughts, etc
References in periodicals archive ?
The air curtain component also ensures a noise reduction of up to 50dBA is achieved, which is lower compared with "open pipe" systems that consume vast volumes of compressed air.
According to Berner officials, a properly sized AMCA- certified air curtain can contain approximately 70% to 80% of the surrounding air and return it to the space.
In these tests, it was validated that using an air curtain minimized the transport of viable particulates from the space outside the immediate operating area by blocking the return air pathway along the ceiling to the laminar panel arrays required by Standard 170.
The continuous flow of outside warm air into the air curtain and its subsequent mixing with cold air is called entrainment, and some of the warm air becomes infiltrated.
The air curtains are available in widths from 36 to 60 inches, providing precise, continual and uniform air distribution with adjustable air velocity through a directional plenum.
Air curtains are currently used by stores, restaurants, and hospitals to keep conditioned air inside and insects outside.
Romer's Hansbackerei specified seven Biddle MAT units, for internal and external entrances to ensure the highest levels of energy efficiency coupled with the advantages of improved health and safety as the air curtains overcome the need for physical barriers as well as preventing icing and misting on floors and walls.
Battelle, the technology research organization based in Columbus, Ohio, used an air curtain for containment of a different sort.
has created a new countertop warmer that uses a patented heated air curtain in lieu of a door, allowing for fast access to product.
The sensor has an integral air curtain around the external measurement window, which is designed to eliminate the accumulation of contaminants and condensation from the optical path.
The drying process is a special function of the last air curtain.
Designed primarily to reduce heating or refrigeration costs, an air curtain system can also be used to keep insects out of processing areas and alleviate ice buildup near refrigeration areas.