Engine Piston can be defined as the functional unit of combustion engine that derives
energy from the pressure developed in combustion chamber due to burning of fuel and mixture of gases. The energy thus obtained is transferred by the piston from the combustion chamber to the engine. The energy thus supplied to engine becomes the driving force that can be utilized for moving light eco-friendly cars to heavy-duty vehicles.
Role Of Piston In Working Of Diesel Engine
Diesel Engine Piston is designed to perform the fundamental work of piston in diesel engine that works on the principle of compression ignition. In case of compression ignition, the air is compressed to a very high pressure level. This causes increase in temperature of air. A fine spray of Diesel fuel is then injected into this high-pressure and high-temperature combustion chamber of engine. The extreme pressure and temperature conditions of combustion chamber cause the injected diesel to get instantly ignited and explode.
The compression ignition mechanism of Diesel Engine requires tough and durable pistons that can efficiently manage the abrupt production of huge amount of energy. This energy is then converted into a powerful driving force that can very well carry heavy loads or enable the vehicle to consistently maintain high speed with an impressive mileage.
Quality Parameters Considered By Diesel Engine Piston Manufacturers & Exporters
The quality parameters that are mainly considered by Manufacturers & Exporters of Diesel Engine Piston include the concern about friction, height, type of cooling technology used and material of piston. With continuous advancement in the field of automobile engineering, Diesel Engine Piston has come a long way in terms of quality and performance.
The quality testing of Diesel Engine Piston by the Manufacturers & Exporters of Automobile industry is done by exposing them to the standard conditions of an ideal Diesel Engine. A standard Diesel Engine has the following specifications:
Level of diesel injection pressure: Approximately 2,000 bars
Level of peak pressure: Range of 170 to 200 bars
Level of average effective pressure: Up to 20 bars
The level of emission of Exhaust gases should be brought to minimum to reduce air pollution.
In order to enhance the durability, various transitions in cooling technology of Diesel Engine Piston have taken place. This includes the evolution from spray cooled pistons to the salt core cooling channels and finally to cooled ring carrier pistons.
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