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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 ...
Several of these terms may be compounded with chimney or fireplace such as chimney-back. Andiron—Either one of two horizontal metal bars resting on short legs intended to support firewood in a hearth. [20] Arch—An arched top of the fireplace opening. [21] Ash dump—An opening in a hearth to sweep ashes for later removal from the ash pit. [21]
A chimney cowl or wind directional cap is a helmet-shaped chimney cap that rotates to align with the wind and prevent a downdraft of smoke and wind down the chimney. An H-style cap is a chimney top constructed from chimney pipes shaped like the letter H. It is an age-old method of regulating draft in situations where prevailing winds or ...
More than 1,580 defendants have been charged and more than 1,270 convicted in the Jan. 6 investigation, on charges ranging from unlawful parading to seditious conspiracy. There are more than 700 ...
A double chimney (or double stack, double smokestack in American English) is a form of chimney for a steam locomotive, where the conventional single opening is duplicated, together with the blastpipe beneath it. Although the internal openings form two circles, the outside appearance usually forms a single elongated oval.
The Chimney Sweepers Act 1875 was an Act of the Parliament of the United Kingdom that superseded the Chimney Sweepers and Chimneys Regulation Act 1840 passed to try to stop child labour. The bills, proposed by Lord Shaftesbury , were triggered by the death of twelve-year-old George Brewster, whose master had caused him to climb and clean the ...
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