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H = height of chimney, m; T i = average temperature inside the chimney, K; T e = external air temperature, K. Combining two flows into chimney: A t +A f <A, where A t =7.1 inch 2 is the minimum required flow area from water heater tank and A f =19.6 inch 2 is the minimum flow area from a furnace of a central heating system.
A chimney fire is the combustion (burning) of residue deposits referred to as soot or creosote, on the inner surfaces of chimney tiles, flue liners, stove pipes, etc.
The chimney uses the pressure difference caused by a hot column of gas to create a draught and draw air over the hot coals or wood enabling continued combustion. Chimneys may be straight or contain many changes of direction. During normal operation, a layer of creosote builds up on the inside of the chimney, restricting the flow.
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 ...
A brick chimney breast. A chimney breast is a portion of a chimney which projects forward from a wall to accommodate a fireplace. [1] Typically on the ground floor of a structure, the masonry extends upwards, containing a flue which carries smoke out of the building through a chimney stack. [2]
Human bones found inside the chimney of a Wisconsin music store in 1989 have been identified as those of a man whose last known contact with relatives was in 1970, authorities said. The DNA Doe ...