AUTOMOBILE POLLUTION
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#1
31-01-2009, 11:38 AM


The production and use of I.C engines around the world are increasing day by day. Hence the pollution caused by the vehicles is great problem to whole world. The consequences of pollutants are grievous. The air we breathe and water we drink have become contaminated with chemical and that adversely affect our health. The recent developments in auto mobile technology reduce the pollutions into reasonable extent. In this report various types of emission control devices used in modern vehicles are described. The major causes of air pollution are automobile pollution. This badly affects the health of human beings. It has been linked to asthma, emphysema, cardio vascular diseases and lung cancer. It also has harmful effects on the environments. When men come to know about the harmful effects of air pollution he started thinking about air pollution control devices and he became successful in inventing some devices which reduced the pollution up to certain limit. There are certain rules and specifications that have to be followed by automobile and they have to use devices to limit as per the specifications.
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sk.gourav sidique
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#2
24-09-2010, 05:48 PM

ive me its pdf or ppt plz
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seminarsonly
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25-09-2010, 04:21 PM

Automobile Emissions: An Overview
Cars and Pollution
Driving a private car is probably a citizen's most polluting activity. Emissions from an individual car are generally low but when many add up, it forms an ocean. As SUV’s get more and more popular, the pollution just increases.

Sources of Auto Emissions
Evaporative Emissions, Exhaust emissions and Refuelling losses are the major sources of loss.
Exhaust Pollutants:
HYDROCARBONS:
Unburnt and partially burnt fuel molecules caontirbute to this. Hydrocarbons react in the presence of nitrogen oxides and sunlight to form ground-level ozone, a major component of smog.

CARBON MONOXIDE:
incomplete combustion produces it. In the process, carbon in the fuel is partially oxidized rather than fully oxidized to carbon dioxide. CO reduces the flow of oxygen in the bloodstream.

CARBON DIOXIDE:
It is ac greenhouse gas and is a product of perfect combustion.

Evaporative Emissions
fuel evaporation also causes hydrocarbon fuel to escape. This form comprises the majority of the total hydrocarbon pollution.
The diferent forma are:
-DIURNAL: as the temperature rises during the day, the fuel tank gets heated and the fuel goes out as vapours
-RUNNING LOSSES:: Hot engine in the running stage causes this kind of losses
-HOT SOAK: even after the engine is turned off, the fuel is lost to the residue heat.
-REFUELING: refuelling forces out the vapours present in the fuel tank.

For more details, visit these links:

.pdf   Automobile Emissions: An Overview.pdf (Size: 83.84 KB / Downloads: 182)
en.wikipediawiki/Vehicle_emissions_control

PPT link:
slideshareSVSELEARNING/pollutionppt
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#4
19-03-2012, 12:43 PM

to get information about the topic "automobile pollution" full report ppt and related topic refer the link bellow

topicideashow-to-automobile-pollution--1376

topicideashow-to-automobile-pollution
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