Wednesday 6 December 2017

Engine Classifications


  1. Application. 
    • Automobile.
    • Truck.
    • Locomotive.
    • Light aircraft.
    • Marine.
    • Portable power system.
    • Power generation.
  2. Basic engine design.
    • Reciprocating engine (arrangement of cylinders : eg. in-line, V, radial, opposed)
    • Rotary engines (Wankel and other geometries).
  3. Working cycle.
    • Four stroke cycle (Naturally aspirated, supercharged, turbocharged)
    • Two stroke cycle (cranked chaft scavenged, supercharged and turbocharged)
  4. Valve or port design and location.
    • Overhead
    • Underhead
    • Rotary
    • Cross-scavenged
    • Loop-scavenged
    • Through or uniflow-scavenged
  5. Fuel.
    • Gasoline (or petrol)
    • Fuel oil (or diesel)
    • Natural gas
    • Liquid petroleum gas
    • Alcohols (methanol, ethanol)
    • Hydrogen
    • Duel fuel
  6. Method of mixture preparation.
    • Carburetion
    • Fuel injection into intake ports or intake manifold
    • Fuel injection into the cylinder
  7. Method of ignition.
    • Spark Ignition (SI)
    • Compression Ignition (CI)
  8. Combustion chmaber design.
    • Open chmaber (disc, wedge, hemisphere, bowl-in-piston)
    • Divided chamber (small and large auxiliary chambers, many design; eg swirl chambers, prechamvers)
  9. Method of load control.
    • Throttling of fuel and air
    • Control of fuel flow alone
    • A combination of both
  10. Method of cooling.
    • Water cooled
    • Air cooled
    • Uncooled (by natural convection and radiation)
Internel Combustion Engine Fundamentals, John B. Heywood, Page 7.

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