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  2. Chimney - Wikipedia

    en.wikipedia.org/wiki/Chimney

    A top damper or cap damper is a metal spring door placed at the top of the chimney with a long metal chain that allows one to open and close the damper from the fireplace. A throat damper is a metal plate at the base of the chimney, just above the firebox, that can be opened and closed by a lever, gear, or chain to seal off the fireplace from ...

  3. 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 ...

  4. Stack effect - Wikipedia

    en.wikipedia.org/wiki/Stack_effect

    The stack effect or chimney effect is the movement of air into and out of buildings through unsealed openings, chimneys, flue-gas stacks, or other purposefully designed openings or containers, resulting from air buoyancy. Buoyancy occurs due to a difference in indoor-to-outdoor air density resulting from temperature and moisture differences ...

  5. Damper - Wikipedia

    en.wikipedia.org/wiki/Damper

    Damper (food), a bread of the Australian Outback; In mechanical engineering, a damper is a device for suppressing vibrations in a mechanical system by dissipating energy. Dashpot, a type of hydraulic or mechanical damper; Shock absorber (British or technical use: damper), a mechanical device designed to dissipate kinetic energy

  6. Fireplace - Wikipedia

    en.wikipedia.org/wiki/Fireplace

    Mantel—Either the shelf above a fireplace or the structure to support masonry above a fireplace [23] Smoke shelf—A shelf below the smoke chamber and behind the damper. It collects debris and water falling down the flue. [24] Throat (waist)—The narrow area above a fireplace usually where the damper is located. [21]

  7. Vortex shedding - Wikipedia

    en.wikipedia.org/wiki/Vortex_shedding

    Tuned mass damper on top of a chimney. A tuned mass damper can be used to mitigate vortex shedding in stacks and chimneys. A Stockbridge damper is used to mitigate aeolian vibrations caused by vortex shedding on overhead power lines.

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