05.07.2014 Views

Spark & Compression Ignition Engines

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DIESEL ENGINE OPERATION<br />

• <strong>Compression</strong> Stroke:<br />

In the diesel engine, the upward-<br />

moving piston compresses air<br />

alone. On the other hand, in the<br />

spark ignition engine, the piston<br />

compresses the air-fuel mixture.

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