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Introduction

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by

Samuel Gallego Gomez

on 18 April 2016

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Transcript of Introduction

Introduction.
History of the Diesel Engine.
1858
1923
1934
Rudolf Diesel was born in Paris in 1858. He was a german inventor and mechanical engineer. He is famous because he is the inventor of the diesel engine.
In 1897 Rudolf Diesel invented the Diesel Engine when he worked in MAN company. He set forth his idea of a "new and rational thermal engine".
Daimler-Benz developed a diesel engine that was used in a truck for the first time.
The first diesel car was a Mercedes.
Parts of the Diesel Engine
1
Intake

Four-stroke engine.
2
Compression
The piston starts up from the bottom dead centre and the air is compressed into the cylinder.
3
Power
Just before the piston reaches top dead centre, an injector sprays fuel into the chamber
4
Exhaust
While the exhaust valve is open the piston returns to the top dead centre, forcing exhaust gases out.
1- Intake.
2-Compression.
3-Power.
4-Exhaust.
The intake valve opens the air enters and the pistons start to move down
1853
Differences between Petrol and Diesel engines.
No spark plug is needed
Higher preassure in the combustion chamber.
Sales of diesel vehicles nowadays.
More resistant pieces into the cylinder.
Petrol: 1.4e+6 Pa
Diesel: 2.8e+6 Pa
up to 3%
up to 53%
Emissions of Petrol vs. Diesel.
Petrol vehicles emit higher levels of CO2.
Diesel engines emit higher levels of NOx and suspended particulate matter.
HC emissions are much higher in petrol engines than diesel.
Costs
Despite refuelling diesel is cheaper than petrol, the taxes and maintenance costs are higher.
65%
IN 2007 BOSCH, WHO WAS THE MAKER OF VW SOFTWARE WARNED THEM THAT IT WAS ILLEGAL.
20 SEPTEMBER 2015 VOLKSWAGEN ADMITS THE TRICK.
22 SEPTEMBER 2015 MICHAEL HORN SAID...
1958
1897
Parts of an engine
How the fuel injection engine works.
Four strokes engine
Differences between Petrol and Diesel engine.

injector
Full transcript