The
fire triangle, composed of fuel, oxygen and heat, needs to go through
the process of combustion to release energy. Not only does this
release the energy stored in fuel, it also makes sure that there’s
enough heat to be reused in the process.
To
better understand the science behind combustion, here are a few
details, using your furnace as an example, to help you out.
Your
Furnace Needs Heat
So
you rely on your furnace for heat. The interesting thing here is that
your furnace also relies on heat in order to give you heat. As long
as the three elements are present, combustion can go on for
practically forever. The process derives heat from the heat it
produced with byproducts, such as soot.
Believe
it or not, this phenomenon has been the talk of some handyman forums
on the Internet. They claim that furnaces refuse to start if the
weather gets cold enough.
Heat
Depends on Fuel
As
heat is basically energy, the type of fuel used determines the amount
of heat released into the environment. Natural gas is one of the most
common furnace fuels used because of the immense amount of energy it
contains. While its energy content dwarfs that of wood by a great
deal, natural gas is advantageous for furnaces in the big city.
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