29-11-2012, 05:26 PM
AUTOMOBILE ENGINEERING
AUTOMOBILE.pptx (Size: 3.66 MB / Downloads: 41)
DEFINITION
Automobile engineering is a branch of engineering which deals with everything about automobiles and practices to propel them.
Automobile is a vehicle driven by an internal combustion engine and it is used for transportation of passengers and goods on the ground. Automobile can also be defined as a vehicle which can move by itself.
History of Automobile
The first car was built by Joseph Cugnot in 1769. It was powered by a steam engine and was very slow.
Jean Joseph Étienne Lenoir was the first to build the one cylinder engine, internal-combustion engine, was later patent.
Nikolas August Otto built the first four cylinder engine.
In 1886 Gottlieb Daimler designed the first four wheeled automobile. They also created the first v-slanted engine.
Karl Benz, know as one of the founders of Mercedes-Benz, is the first to build an automobile powered by an internal combustion engine.
History of Automobile
The first hybrid commercial truck was built in 1910, and as the gasoline engine was refined interest in hybrids died down.
As problems with environment and gas process continue, Hybrids are now a hot commodity in the market place and are now the new wave of future cars
The automobile industry in India
9 th largest automobile industry.
2 nd largest two-wheeler market.
11 th largest Passenger Cars producers.
4 th largest in Heavy Trucks.
2 nd largest tractor manufacturer.
annual production of over 2.3million units.
The monthly sales of passenger Cars in India exceed 100,000units
Front engine front wheel drive
Advantages:-
No propeller shaft
Low chassis height
Engine pulls the car
Better road adhesion
Produce understeer conditions
Disadvantages:-
1. Complicated arrangement
2. Two velocity joints needed
3. Decrease of tractive effort
4. Steering is heavier