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A typical commercial air curtain enclosure. In North America, the more commonly-used term for an air door is "air curtain". The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) defines an air door as follows: "In its simplest application, an air curtain is a continuous broad stream of air circulated across a doorway of a conditioned space.
Air curtain may refer to: Air door, a fan-powered device used for separating two spaces from each other; Pneumatic barrier for containing oil spills; See also
Air curtains and air doors also utilize this effect to help retain warm or cool air within an otherwise exposed area that lacks a cover or door. Air curtains are commonly used on open-face dairy, freezer, and vegetable displays to help retain chilled air within the cabinet using a laminar airflow circulated across the display opening.
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Air curtains may have another application. Dolphin and whale beaching has increased with the rise in ocean temperatures. On Thursday February 12th, 2017, a group of nearly 400 whales beached near Golden Bay on the tip of New Zealand’s South Island, following a similar incident earlier that week.
When the heat of summer finally hits, it can be quite oppressive depending upon where you live. Some homes are able to keep naturally cooler than others, but many people consider installing central...
Curtain walls may be designed as "systems" integrating frame, wall panel, and weatherproofing materials. Steel frames have largely given way to aluminum extrusions. Glass is typically used for infill because it can reduce construction costs, provide an architecturally pleasing look, and allow natural light to penetrate deeper within the ...
A bubble curtain is a system that produces bubbles in a deliberate arrangement in water. It is also called pneumatic barrier . The technique is based on bubbles of air (gas) being let out under the water surface, commonly on the bottom.
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