Home ENGINEERING Split 4 Stroke Engine Simulation Of Internal Piston Movement

Split 4 Stroke Engine Simulation Of Internal Piston Movement


The split-cycle engine is a type of internal combustion engine.In a conventional Otto cycle engine, each cylinder performs four strokes per cycle: intake, compression, power, and exhaust. This means that two revolutions of the crankshaft are required for each power stroke.

image: Experiments Robert33

The split-cycle engine divides these four strokes between two paired cylinders: one for intake and compression, and another for power and exhaust. Compressed air is transferred from the compression cylinder to the power cylinder through a crossover passage. Fuel is then injected and fired to produce the power stroke.

A split cycle engine invented by New Zealander Rick Mayne used a multitude of small cylinders arranged in a radial arrangement with pistons operated by a Geneva mechanism.


The advantage of the split-single engine compared to a conventional two-stroke engine is that the split-single can give better exhaust scavenging while minimizing the loss of fresh fuel/air charge through the exhaust port. As a consequence, a split-single engine can deliver better economy, and may run better at small throttle openings.

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