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12-01-2011, 12:22 PM
Post: #1
The Diesel Engine ppt


STS Project
Mr. Schuetz AM1 Physics


About the Inventor

In 1894, German inventor Rudolph Diesel developed the first single-cylinder diesel engine.
He signed a multi-million dollar deal with Adolphus Busch, head of brewery empire, to manufacture the diesel engine.
However, he lost his fortune, and in 1913, mysteriously was found dead after going overboard a boat. Suicide was one speculation, but also assassination by Kaiser Wilhelm’s agents, fearing that Diesel, with WW I looming, would sell the engine to England

The Combustion Cycle
The four-stroke combustion cycle of the diesel engine is composed of the intake stroke, compression stroke, power stroke, and the exhaust stroke.
The diesel engine operates through the motion of compression pistons in inside the cylinders of the engine.
Pistons inside the cylinders are connected by rods to a crankshaft.  As the pistons move up and down in their cylinders, they cause the crankshaft to rotate. 
The crankshaft’s rotational force is carried by a transmission to a drive shaft, which turns axles, causing the wheels to rotate.


Advantages of a Diesel Engine

Low maintenance, greater efficiency, high power output, and better fuel economy under all types of loads.
Does not require a spark plug to ignite fuel, it relies on the spontaneous combustion through the heat of compression to ignite the diesel fuel.
Because of this type of combustion, a diesel engine are built more ruggedly and heavily built than the gas engine.
The ruggedness of the diesel engine gives a two to three times longer life than the gas engine, which has a life of around 100,000 miles.



for more:
http://docs.google.com/viewer?a=v&q=cach...ID6R0taG2w



31-07-2012, 10:12 AM
Post: #2
RE: The Diesel Engine ppt
Diesel Engine


.ppt  Diesel Engine.ppt (Size: 839.5 KB / Downloads: 217)

Rudolf Diesel

Went to Royal Bavarian Polytechnic of Munich
He began to design an engine based on the Carnot cycle and formed the basis for his invention of the diesel engine

Later Life

He knew that even very good steam engines are only 10-15% thermodynamically efficient, which means that up to 90% of energy available in the fuel is wasted
His goal was to increase the efficiency
He tried to design an engine based on the Carnot cycle, but he failed
He developed his own engine according to his theory and design
It was later called the diesel engine

Diesel Engine

A diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel, which is injected into the combustion chamber during the final stage of compression
It is developed in 1897

How does it work?

It converts the chemical energy available in fuel into mechanical energy
This mechanical energy moves pistons up and down inside cylinders
This motion creates the rotary motion needed to turn the wheels of a car forward
It uses a four stroke combustion cycle: intake, compression, combustion, and exhaust

Diesel Engine and society

Diesel engines have long been popular in bigger cars, and it is spreading to smaller cars
It is more economical
It is also used in trains by replacing steam engines
25-11-2012, 01:01 AM
Post: #3
RE: The Diesel Engine ppt
i want to the pdf file of 4stroke diesel engine
26-11-2012, 12:19 PM
Post: #4
RE: The Diesel Engine ppt
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