INTERNAL COMBUSTION ENGINE

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Presentation transcript:

INTERNAL COMBUSTION ENGINE INTRODUCTION OF INTERNAL COMBUSTION ENGINE

OTTO CYCLE

4-STAGES OF ENGINE

SUCTION STROKE

COMPERSSION STROKE

POWER STROKE

EXHAST STROKE

EXACT WORKING

TWO STROKE ADVANTAGES Is less expensive because of its simpler design. The engine fires - spark plug ignites - once every revolution of the crankshaft. They produce twice the power than four stroke engines. Packs a higher weight-to-power ratio because it is much lighter.

TWO STROKE DISADVANTAGES They last less. Lubrication is not as efficient as in a four-stroke engine with heavy oil. Do not use gas efficiently. Pollute more. Faster wear and shorter engine life than a four stroke due to the lack of a dedicated lubricating system.

FOUR STROKE ADVANTAGES Last longer than two stroke engines More efficient use of gas Pollute less than two stroke engines

FOUR STROKE DISADVANTAGES More complicated. Many more parts to worry about. Half as powerful as two stroke engines (for equivalent engines) Fires once every two revolutions.

APPLICATION ROAD VEHICALS RAILWAY LOCOMOTIVES SMALL AIRCRAFTS MARINE HOUSE USE LAWN MOVER INDUSTRIAL, STATIONARY

CONCLUSION · Further size and weight reductions · Further increase of power and torque · Further size and weight reductions · Further improved fuel economy · Further reduced emissions Further reduced manufacturing cost