ENGINE BASICS

By T.C.SUDHIR

Synopsis Of PresentationIntroductionWorkingNomenclatureCam mechanismClassificationApplicationAdvantageDisadvantageSummary

IC Engine-IntroductionTo convert heat energy in to mechanical

work.Combustion of fuel inside the engine

Working

Engine nomenclature

Pistons and connecting rod

Cam shaft and valve actuating mechanism

Hemispherical head engine

Overhead cam shaft

ClassificationBased on strokesBased on fuelBased on ignition systemBased on cylinderBased on applicationBased on speed

Based on strokes

Two stroke Four stroke

Based on ignition system

Spark Ignition EngineCompression ignition engine

Spark Ignition EngineIgnited by an electric spark.It is known as Otto cycle engine

Compression ignition engine

Ignition by compressionIt is also called as diesel cycle

Based on cylinder

No of cylindersArrangement of cylinder

Number of cylindersSingle cylinder

EngineMulti cylinder

engine

Arrangement of cylinder

In-line vertical engine

V-type engine

Opposed cylinder engine

Radial engine

Type of coolingAir cooled engine Water cooled engine

ApplicationTransport vehiclesPrime moversAgriculture machineryEarth moving equipments

AdvantagesThe system is quite simple Less costLess maintenancePump not required

DisadvantagesThe cooling rate is very lowWater must be maintained up to certain levelSize of radiator is largeLarge quantity of coolant is necessary

SummaryWorkingNomenclatureCam mechanismClassificationApplicationAdvantageDisadvantage

Thank You

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