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  2. Underfloor air distribution - Wikipedia

    en.wikipedia.org/wiki/Underfloor_air_distribution

    The most common UFAD configuration consists of a central air handling unit delivering air through a pressurized plenum and into the space through floor diffusers. Other approaches may incorporate fan powered terminal units at the outlets, underfloor ducts, desktop vents or connections to Personal Environmental Control Systems. [8]

  3. Register (air and heating) - Wikipedia

    en.wikipedia.org/wiki/Register_(air_and_heating)

    A floor register. A register is a grille with moving parts, capable of being opened and closed and the air flow directed, which is part of a building's heating, ventilation, and air conditioning (HVAC) system. The placement and size of registers is critical to HVAC efficiency. Register dampers are also important, and can serve a safety function.

  4. Leading-edge extension - Wikipedia

    en.wikipedia.org/wiki/Leading-edge_extension

    Aircraft wing leading-edge extensions – annotated. A leading-edge extension (LEX) is a small extension to an aircraft wing surface, forward of the leading edge.The primary reason for adding an extension is to improve the airflow at high angles of attack and low airspeeds, to improve handling and delay the stall.

  5. Window deflector - Wikipedia

    en.wikipedia.org/wiki/Window_deflector

    Based on the way wind deflectors are installed, they may be classified as follows: In-Channel This type of deflectors is installed into the upper window channel, and is kept in place due to tension. In some applications, this type of deflector also employs a thin stripe of automotive-grade 3M tape to keep the deflector in place. Stick-on

  6. Trickle vent - Wikipedia

    en.wikipedia.org/wiki/Trickle_vent

    A trickle vent is a very small [quantify] opening in a window or other building envelope component to allow small amounts of ventilation in spaces intended to be naturally ventilated when major elements of the design—windows, doors, etc.—are otherwise closed.

  7. Kennedy Space Center Launch Complex 39 - Wikipedia

    en.wikipedia.org/wiki/Kennedy_Space_Center...

    Each deflector measured 39 feet (12 m) high by 49 feet (15 m) wide by 75 feet (23 m) long, and weighed 1,400,000 pounds (635 t). During a launch, it deflected the launch vehicle's rocket exhaust flame into a trench measuring 43 feet (13 m) deep by 59 feet (18 m) wide by 449 feet (137 m) long.