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A flue gas stack at GRES-2 Power Station in Ekibastuz, Kazakhstan, the tallest of its kind in the world (420 meters or 1,380 feet) [1]. A flue-gas stack, also known as a smoke stack, chimney stack or simply as a stack, is a type of chimney, a vertical pipe, channel or similar structure through which flue gases are exhausted to the outside air.
The term smokestack (colloquially, stack) is also used when referring to locomotive chimneys or ship chimneys, and the term funnel can also be used. [ 1 ] [ 2 ] The height of a chimney influences its ability to transfer flue gases to the external environment via stack effect .
During the cooling season, the stack effect is reversed, but is typically weaker due to lower temperature differences. [1] In a modern high-rise building with a well-sealed envelope, the stack effect can create significant pressure differences that must be given design consideration and may need to be addressed with mechanical ventilation ...
Great Western locomotives with their distinctive copper-rimmed chimneys The new-build steam locomotive Leviathan, a 4-4-0 with a large spark-arresting chimney. The chimney (smokestack or stack in American and Canadian English) is the part of a steam locomotive through which smoke leaves the boiler.
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Smokestacks in Manchester England c. 1858 watercolor by William Wyld.. A smokestack industry is a basic, usually cyclical, heavy industry. [1] The factories stereo-typically used in such industries have smoke stacks, hence the name, and produce a high volume of pollution.
The Little Professor is a backwards-functioning calculator designed for children ages 5 to 9. Instead of providing the answer to a mathematical expression entered by the user, it generates unsolved expressions and prompts the user for the answer.
They are also commonly referred to as stacks. Purpose. While at anchor, a ship blows soot, dust and debris out of its funnels. SS ...