What are Smokestacks?
Smokestacks are a type of chimney, often used in industrial settings, that release the byproducts of combustion into the air. The gases emitted through smokestacks largely consist of carbon dioxide and water vapor, though some nitrogen and oxygen are typically present, along with a number of pollutants. A factory or industrial furnace can often be distinguished by its smokestacks, which are often built quite high to allow for a wider and therefore less concentrated dispersal of pollutants. Smokestacks were originally used not to disperse pollutants, but to increase the flow of air into a furnace, thereby improving its combustion. Because the air inside a smokestack is hotter than the air outside, it is also less dense. This leads to a pressure deferential between the air at the bottom of the smokestack and that outside the chimney, causing outside air to be drawn up into the smokestack and moving air through the attached furnace at an increased rate. This phenomenon is known as natural
