Differences between gasoline and diesel engine

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dieselEssence.jpg Gasoline (left) and diesel (right) automotive engines
The main differences between a gasoline engine and a diesel engine are as follows:

1) the moment when into the combustion chamber: in a gasoline engine, it is premixed with the oxidizer (air) upstream of the intake valves, while it is injected into the diesel;

2) in a diesel in the form of small droplets which ignite by self-ignition in the compressed air and at high pressure which is in the chamber, while in the gasoline engine the fuel / oxidizer mixture is controlled: an electric arc is created between ;

3) The of a diesel engine is much higher than that of a gasoline engine, which is limited by the condition of non-detonation of the mixture;

4) the of each type of engine is theoretically different ( for gasoline, and for diesel. However, in fast engines, the two cycles are very similar;

5) the is much more economical in a diesel engine where the quantity of fuel injected can be reduced at will, while in a gasoline engine, the need to obtain a above the leads to a supply of fuel greater than the needs of the engine at idle.