Difference between SI and CI engines

Spark Ignition Engines (S.I. Engine) It works on Otto cycle. In Otto cycle, the energy supply and rejection occur at constant volume process and the compression and expansion occur isentropically. The…

Prabhu TL

Comparison of Petrol and Diesel Engines

Petrol vs Diesel engines: A comparison - Basic difference between a petrol engine and a diesel engine based on working, pressures, combustion, compression ratios, speed, efficiency, maintenance, and running costs.…

Prabhu TL

Brake power of IC Engine

The brake power (briefly written as B.P.) of an IC Engine is the power available at the crankshaft. The brake power of an I.C. engine is, usually, measured by means…

Prabhu TL

Efficiency of an IC Engine

The efficiency of an IC engine (Internal Combustion Engine) is defined as the ratio of workdone to the energy supplied to an engine. The following efficiencies of an 1.C. engine are important: (a) Mechanical…

Prabhu TL

Difference between four stroke and two stroke engines

The following are the main differences between a four stroke and two stroke engines: 4-Stroke 2-Stroke In four stroke engine all the four operations i.e. suction, compression, ignition and exhaust are completed…

Prabhu TL

Definition and Classification of I.C. Engines

I.C. Engines: Internal combustion engine more popularly known as I.C. engine, is a heat engine which converts the heat energy released by the combustion of the fuel inside the engine cylinder, into mechanical…

Prabhu TL

Ignition System of Petrol Engines

The ignition in a petrol engine takes place by means of a spark plug at the end of the compression stroke. The voltage required to produce a spark across the…

Prabhu TL

Cetane Number – Rating of CI Engine Fuels

What is Cetane Number? How rating of fuels used in C. I. Engines (Compression Ignition Engines) is done using Cetane number and other parameters? The knocking tendency is also found in compression ignition (C.…

Prabhu TL

Improvements To Automatic Transmissions

The transmission in a vehicle matches the power requirements of the automobile to the power output available from an engine or motor; the automatic transmission’s selection of different gears keeps…

Prabhu TL

Other Engine And Fuel Technologies

Overview Numerous engine and fuel technologies have been suggested as powerplants and power sources for the future In general, most of the alternative fuels, with one exception, are hydrocarbon fuels…

Prabhu TL