Heat Engines |
“A heat
engine is a machine that converts heat
into work” (Heat Engines). A heat
engine absorbs a quantity of energy from a hot reservoir, does work,
and then
gives up a quantity of energy to the cold reservoir.
In the example of an ICE, gasoline is burned, creating
heat and
expanding the gasses. This expansion
pushes the piston down the cylinder and the excess heat is carried out
through
the coolant system or exhaust. The work
done by the engine can be determined using the equation: W=Q(hot) -
Q(cold) The efficiency of a heat engine can be determined using the equation: e=W/Q(hot) |
Main Page - Otto Cycle
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Engines -
Bibilography |