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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

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the diesel cycle

The Diesel Cycle

By Marcus Low

what is the difference
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 & 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
Examples of vehicles that use diesel engines
  • Cars
  • Trucks
  • Submarine
  • Locomotives
objective
Objective
  • Definition of Diesel Cycle
  • How the Diesel Cycle Works
  • Examples of Diesel Engines
  • Relevance of Diesel Engines Today
history definition
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
how it works
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
References
  • http://auto.howstuffworks.com/diesel1.htm
  • http://en.wikipedia.org/wiki/Diesel_cycle
  • http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/diesel.html