How To Classify The Engine Types? (4)

1.By types of cooling, the engines can be clarified as:

1.1 Air cooled engines, as the name implies, the air is used to cool the engines. Generally, 12% of the heat dissipated through the metal fins of an air-cooled engine. Air-cooled engines are used in applications which would not suit liquid cooling, such as motorcycles, general aviation aircraft, lawn mowers, generators, outboard motors, pump sets, saw benches, auxiliary power units and some engines used in extremely cold area.

1.2 Water cooled engine: this type of engine is most widely used nowadays. An anti-freezing agent is added in the water to prevent it from freezing during cold weather. Most water-cooled engine has radiator for the cooling of hot water from the engine.

2.By engine speed:

2.1 Low speed engine, the rated speed is less than 400 rpm. This type of engine usually used in two strokes marine application.

2.2 Medium speed engine, the rated speed is between 400 rpm and 1200 rpm.

2.3 High speed engine, the rated speed is higher than 1200 rpm.?

3.By type of application

3.1 Stationary engine: Stationary engine is an engine in which its framework does not move. It is used to drive immobile equipment like pump, generator, mill or factory machinery etc.

3.2 Automotive engine: These are the types of engines which are used in automobile industries.

3.3 Locomotive engine: The engines which are used in trains.

3.4 Marine engine: The engines which are used in marines for boat or ship propulsion.

3.5 Aircraft engine: Types of engines which are used in aircraft.

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