Posts: 49
Threads: 18
Joined: Aug 2009
Reputation:
0
[attachment=5007]
Introduction
-The need to control the emissions from automobiles gave rise to the computerization of the automobile. Hydrocarbons, carbon monoxide and oxides of nitrogen are created during the combustion process and are emitted into the atmosphere from the tail pipe.
-The clean air act of 1977 set limits as to the amount of each of these pollutants that could be emitted from an automobile. The manufacturers answer was the addition of certain pollution control devices and the creation of a self-adjusting engine.
- An oxygen sensor was installed in the exhaust system and would measure the fuel content of the exhaust stream. It then would send a signal to a microprocessor, which would analyze the reading and operate a fuel mixture or air mixture device to create the proper air/fuel ratio.
Posts: 54
Threads: 25
Joined: Jul 2009
Reputation:
0
Emission Control on IC Engine
The pollusion problems in our country are increasing day by day. Euro 2000 norms came to reduce the pollusion problems. Now a day LPG vehicles are more preferred due to this reason.
Atmospheric pollusion from automobiles mainly occured from the fuel tank, the carburattor, the crank case and the exhaust system. One of the main method to reduce pollusion from engine is to introduce positive crankcase ventilation valve (PCV valve) in between the crankcase and intake manifold. Other methods to reduce pollusion from different parts are
1. Closed crankcase ventilation
2 Fuel tank and carburattor ventilation
3. Re-designing the engine
a. Combustion chamber
b. Cooling system
c. Fuel supply system
d. Ignition system
4. Treating the exhaust gases to reduce pollutants
5. Exhaust gas analysis
Posts: 30
Threads: 13
Joined: Aug 2009
Reputation:
0
The pollusion problems in our country are increasing day by day. Euro 2000 norms came to reduce the pollusion problems. Now a day LPG vehicles are more preferred due to this reason.
Atmospheric pollusion from automobiles mainly occured from the fuel tank, the carburattor, the crank case and the exhaust system. One of the main method to reduce pollusion from engine is to introduce positive crankcase ventilation valve (PCV valve) in between the crankcase and intake manifold. Other methods to reduce pollusion from different parts are
1. Closed crankcase ventilation
2 Fuel tank and carburattor ventilation
3. Re-designing the engine
a. Combustion chamber
b. Cooling system
c. Fuel supply system
d. Ignition system
4. Treating the exhaust gases to reduce pollutants
5. Exhaust gas analysis
Posts: 60
Threads: 26
Joined: Jun 2009
Reputation:
0
sir,
i want know about Emission Control on IC Engine. pleas send detail .
