An air curtain is a machine that blows a controlled stream of air across an opening to the other side to create an air seal. The air curtain, also known as an air door or fly fan, is not the same as ...

While the goal was to keep employees warm during the winter months, these air curtains installed above shipping doors at Royal Wine are kept on in summer months to thwart dust and insect infiltration.

They keep out winter gusts and summer heat. To better understand how air doors operate, Berner International Corp. Project Engineer Phil Thomas began simulating his design in CFdesign, fluid-flow ...