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  2. Damper (flow) - Wikipedia

    en.wikipedia.org/wiki/Damper_(flow)

    A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control - for example, in the case of ...

  3. Air-mixing plenum - Wikipedia

    en.wikipedia.org/wiki/Air-mixing_plenum

    Air streams are mixed to save energy and improve energy efficiency by partially recirculating conditioned air.. The most common application for an air-mixing plenum is the mixing of return air (or extract air) with fresh air to provide a supply air mixture for onward distribution to the building or area which the ventilation system is serving. [1]

  4. Tuned mass damper - Wikipedia

    en.wikipedia.org/wiki/Tuned_mass_damper

    The graph shows the effect of a tuned mass damper on a simple spring–mass–damper system, excited by vibrations with an amplitude of one unit of force applied to the main mass, m 1. An important measure of performance is the ratio of the force on the motor mounts to the force vibrating the motor, ⁠ F 0 / F 1 ⁠ .

  5. Aircraft engine starting - Wikipedia

    en.wikipedia.org/wiki/Aircraft_engine_starting

    Cutaway view of an air-start motor of a General Electric J79 turbojet. With air-start systems, gas turbine engine compressor spools are rotated by the action of a large volume of compressed air acting directly on the compressor blades or driving the engine through a small, geared turbine motor. These motors can weigh up to 75% less than an ...

  6. Pneumatic motor - Wikipedia

    en.wikipedia.org/wiki/Pneumatic_motor

    A pneumatic motor (air motor), or compressed-air engine, is a type of motor which does mechanical work by expanding compressed air. Pneumatic motors generally convert ...

  7. List of Beechcraft King Air operators - Wikipedia

    en.wikipedia.org/wiki/List_of_Beechcraft_King...

    Jamaica Defence Force - One King Air 100, and one King Air 350 WR. [15] [16] Japan. Japan Maritime Self Defense Force - 18 King Air C90s. [17] Air Transport Squadron 61 (1989-) 202nd Naval Air Training Squadron (1973-) Mexico. Mexican Air Force - One King Air 90. [18] Morocco. Royal Moroccan Air Force - Six King Air A100s. [19] Peru