1TOPICEngine types and operation

*Cylinder GeometryExhaust manifoldand ValveStroke, LBDCTDCVtVcVdBore, BIntake manifoldand ValvelCrank Radius, aConnecting RodLengthq

*Cylinder GeometryExhaust manifoldand ValveStroke, LBDCTDCVtVcVdBore, BIntake manifoldand ValvelCrank Radius, aConnecting RodLengthq Compression ratioDisplaced (swept) volume

* Operating Cycles4-stroke cycle: Requires two complete revolutions to complete a cycle2-stroke cycle: Requires one complete revolution to complete a cycle

Four-stroke operating cycle*

*/27*/InletExhaustFour-stroke operating cycle

Two-stroke operating cycle*

*/27*/Two-stroke operating cycle

Application (road, railroad, airborne, utility, stationary)Design (reciprocating, rotary)Cycle (four-stroke, two-stroke, naturally aspirated, supercharged)Valve Design and Location (overhead, underhead )Fuel (gasoline, diesel, CNG, LPG)Fuel/Air Mixing (carburetor, fuel injection)Ignition (spark, compression)Combustion Chamber design (open, divided)Load Control (fuel control, fuel/air mixture control)Cooling (water, air, uncooled)Engine Classifications*

* Spark Ignition Engines

* Spark Ignition Engines

* Spark Ignition Engines

Single point fuel injection

Multipoint port fuel injection

Direct injection in SI engines

* Compression Ignition Engines

* Compression Ignition Engines

* Compression Ignition Engines

Compression Ignition Engines*

Engine Classifications

Engine Classifications