Internal Combustion Engines
Beginning of paper
An internal-combustion engine is a heat engine that burns fuel and air
inside a combustion chamber located within the engine proper. Simply stated, a
heat engine is an engine that converts heat energy to mechanical energy. The
internal- combustion engine should be distinguished from the external- ....
Middle of paper
.... In the former, a spark ignites a combustible mixture of air and fuel;
in the latter, high compression raises the temperature of the air in the chamber
and ignites the injected fuel without a spark. The diesel engine is a
compression-ignition engine. This article emphasizes the spark-ignition engine.
The invention and early development of internal-combustion engines are
usually credited to three Germans. Nikolaus Otto patented and built (1876) the
first such engine; Kar ....
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Word count: 1397
Page count: 6 (approximately 250 words per page)
