The Diesel Cycle By Marcus Low. What is the difference? The Diesel engine takes in JUST air. The compression ratio is higher, thus higher efficiency.

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Presentation transcript:

The Diesel Cycle By Marcus Low

What is the difference? The Diesel engine takes in JUST air. The compression ratio is higher, thus higher efficiency. Diesel engines use direct fuel injection. No spark plug required.

Advantages & Disadvantages Advantages There is no KNOCKING in the diesel engine. Higher efficiency. Less expensive Disadvantages Pollution Heavy Initial high cost

Examples of vehicles that use diesel engines Cars Trucks Submarine Locomotives

Objective Definition of Diesel Cycle How the Diesel Cycle Works Examples of Diesel Engines Relevance of Diesel Engines Today

History & Definition 1892, Rudolf Diesel invented the Diesel Engine. Main goal- High Efficiency Definition- combustion process of a type of internal combustion engine in which the burning of fuel is triggered by heat generated in compressing fuel- air mixture

Internal View of Diesel Engine

Diesel Cycle Diagram

How it Works Comprises of 4 Stages: Intake: Inlet valve opens, exhaust closed. Compression: Both valves closed. Piston compresses air upwards. Fuel injected. Power: Fuel ignites. Gas forces piston downwards. Exhaust: Inlet valve closed. Exhaust valve opens. Piston travels upward.

References diesel1.htmhttp://auto.howstuffworks.com/ diesel1.htm sel_cyclehttp://en.wikipedia.org/wiki/Die sel_cycle astr.gsu.edu/hbase/thermo/die sel.htmlhttp://hyperphysics.phy- astr.gsu.edu/hbase/thermo/die sel.html