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Air door facts for kids

Kids Encyclopedia Facts

An air door or air curtain is a machine used for separating two spaces from each other. The machine is mainly used at doors into buildings. The most common setup for air curtains is a downward-facing blower fan placed over an opening. Normally this opening is an door to a building The air curtain keeps flying insects out by making turbulence. It also helps keep outside air out, avoiding cold winds by mixing-in warm air from the air curtain. The fan must be powerful enough to generate a jet of air that can reach the floor.

Images for kids

  • Industrial air curtain over open dock door

    This industrial air curtain is used to separate inside and outside air without blocking the open dock door

  • A typical commercial air curtain enclosure

    A typical commercial air curtain enclosure

  • Architectural air curtains at the airport entrance

    Architectural air curtains at the airport entrance

  • Air door figure 1.0

    Air flow of an air door (top-down configuration)

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Air door Facts for Kids. Kiddle Encyclopedia.