The gasoline-powered internal combustion engine has seen more improvement in the last five years than in the last twenty, Quieter timing chain technology, direct fuel injection, and variable intake and exhaust valve timing, among others, have led to better fuel efficiency and reduced emissions.

Everyone knows that, in the case of a gasoline-powered ICE, three things are needed, compressed air, fuel, and spark, which are facilitated by, respectively, the crank and pistons, the injection system, and the ignition system.

By eliminating ....etc

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/ i need ppts on engine ignition // awsome material now i got to knw ..i need ppt ....etc

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lean burn spark ignition engine seminar report

Lean-burn refers to the burning of fuel with an excess of air in an internal combustion engine. In lean-burn engines the air:fuel ratio may be as lean as 65:1 (by mass). The air / fuel ratio needed to stoichiometrically combust gasoline, by contrast, is 14.64:1. The excess of air in a lean-burn engine combusts more of the fuel and emits fewer hydrocarbons. High air fuel ratios can also be used to reduce losses caused by other engine power management systems such as throttling losses. ....etc

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Hi . Sir please send me seminar report to laser ignition system for mechanical engineering students ....etc

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ABSTRACT
As the demand for higher engine efficiencies and lower emissions drive stationary, spark-ignited reciprocating engine combustion to leaner air/fuel operating conditions and higher in-cylinder pressures, increased spark energy is required for maintain stable combustion and low emissions. Unfortunately, increased spark energy negatively impacts spark plug durability and its effectiveness in transmitting adequate energy as an ignition source. Laser ignition offers the potential to improve ignition system durability, reduce mainte ....etc

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ABSTRACT
Laser ignition has become an active research topic in recent years because it has the potential to replace the conventional electric spark plugs in engines Compared to conventional spark ignition. Laser ignition allows more flexible choice of the ignition location inside the combustion chamber with the possibility to ignite even inside the fuel spray .Modern engines are required to operate under much higher compression ratios, faster compression rates, and much leaner fuel-to-air ratios than gas engines toda ....etc

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you can refer these page details of LASER IGNITION SYSTEM bellow link..

http://seminarsprojects.net/Thread-laser-ignition-system ....etc

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seminar report on laser ignition system pdf

Abstract

Laser ignition is an alternative method for igniting compressed gaseous mixture of fuel and air. The method is based on laser devices that produce short but powerful flashes regardless of the pressure in the combustion chamber. Usually, high voltage spark plugs are good enough for automotive use, as the typical compression ratio of an otto cycle internal combustion engine is around 10:1 and in some rare cases reach 14:1. However, fuels such as natural gas or methanol can withstand high comp ....etc

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Hello,
I am pursuing diploma in mechanical engineering 3rd year .plz send me full report and ppt for the following topics:
1)Night vision technology in automobiles
2 Electronic fuel ignition system
3)Laser ignition system
4)Wave energy converter
5)Advanced quality control techniques ....etc

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