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What is present in the greatest quantity in a diesel engine cylinder at the moment of ignition?
At the moment of ignition in a diesel engine cylinder, the greatest quantity present is the air-fuel mixture, primarily composed of compressed air and injected diesel fuel. The air is compressed to high pressures and temperatures, which facilitates the ignition of the fuel when it is injected into the cylinder. This process occurs without the need for spark plugs, relying instead on the heat generated from the compression of the air.
How is the engine ignited?
A petrol engine is ignited by a spark plug, and a diesel engine is ignited by the heat produced from the air/ fuel mixture being compressed in the cylinder
Why not diesel engine is spark ignited?
A gasoline injects fuel into the cylinder as it is filled with air, compresses it, then ignites the spark plug to trigger the power stroke. In a diesel engine air is compressed up to 3 times more causing a much higher cylinder temp. Once the air in the cylinder is hot diesel fuel is injected directly into the cylinder and is ignited by the high temperature.
Why is air compressed in diesel engine?
In a diesel engine, air is compressed to a high pressure and temperature during the compression stroke. This high compression is necessary because it raises the air temperature to a point where it can ignite the diesel fuel injected into the cylinder. The resulting combustion generates the power needed to drive the engine. This process is key to the efficiency and power output of diesel engines compared to gasoline engines.
What is the difference between diesel fuel and diesel?
Diesel is a type of internal combustion engine wherein the fuel is ignited solely by heat produced by rapid compression of the air in the cylinder. Not by an electrical spark as in a gasoline engine. As the cyl air is compressed the air becomes heated. Fuel is injected into the hot cylinder and is ignited by the heat alone
Diesel engines parts and their function?
engine block, it's function is to carry the engine or where the cylinder head set, piston, it;s function is to compressed the air and fuel.
How does diesel engine work?
The diesel fuel, along with fresh air, is put under a great deal of pressure over the piston under the cylinder head. This causes the mixture of fuiel and air to explode and push the piston down. Other then that the operation between a diesel and petrol engine are about the same.Another answerA diesel engine works like a regular gas or petrol engine that uses injectors, except that a diesel engine uses only very high compression to cause the diesel fuel/air mixture to heat up so much that it explodes. Some diesels also have glow plugs which help the diesel fuel/air mixture ignite while the engine is cold.A gasoline engine does not use such very high compression to ignite the fuel/air mixture. It uses a spark plug.A diesel engine is very similar to a gasoline engine except for one main reason. A 4-stroke gasoline engine first intakes a mixture of air and fuel into the cylinder, compressed by a piston, and then this compressed mixture is ignited by a spark plug which creates a small electrical arch. A diesel engine first intakes just air into the cylinder and is compressed, afterwards the fuel is injected into the compressed air, the heat from the compression of the air ignites the mixture without the use of a spark plug.
What does a diesel engine use to ignite the fuel with since it doesn't use a spark plug?
The fuel/air mixture in the cylinder is compressed to the point where it gets hot enough to self ignite.The fuel/air mixture in the cylinder is compressed to the point where it gets hot enough to self ignite.
How does a diesel engine work?
The diesel fuel, along with fresh air, is put under a great deal of pressure over the piston under the cylinder head. This causes the mixture of fuiel and air to explode and push the piston down. Other then that the operation between a diesel and petrol engine are about the same.Another answerA diesel engine works like a regular gas or petrol engine that uses injectors, except that a diesel engine uses only very high compression to cause the diesel fuel/air mixture to heat up so much that it explodes. Some diesels also have glow plugs which help the diesel fuel/air mixture ignite while the engine is cold.A gasoline engine does not use such very high compression to ignite the fuel/air mixture. It uses a spark plug.A diesel engine is very similar to a gasoline engine except for one main reason. A 4-stroke gasoline engine first intakes a mixture of air and fuel into the cylinder, compressed by a piston, and then this compressed mixture is ignited by a spark plug which creates a small electrical arch. A diesel engine first intakes just air into the cylinder and is compressed, afterwards the fuel is injected into the compressed air, the heat from the compression of the air ignites the mixture without the use of a spark plug.
What causes a diesel to idle?
Diesels run on compressed fuel and air. An injector pump sprays fuel into the cylinder and mixes it with the air. When the piston rises to the top of the cylinder it compresses the fuel / air mixture and causes the mixture to ignite powering the engine. The speed of the engine is controled by the throttle plate which controls the amount of air entering the engine as well as the metering valve on the diesel pump which controls the amount of fuel that is sprayed into the cylinder.
How a diesel engine work?
The diesel fuel, along with fresh air, is put under a great deal of pressure over the piston under the cylinder head. This causes the mixture of fuiel and air to explode and push the piston down. Other then that the operation between a diesel and petrol engine are about the same.Another answerA diesel engine works like a regular gas or petrol engine that uses injectors, except that a diesel engine uses only very high compression to cause the diesel fuel/air mixture to heat up so much that it explodes. Some diesels also have glow plugs which help the diesel fuel/air mixture ignite while the engine is cold.A gasoline engine does not use such very high compression to ignite the fuel/air mixture. It uses a spark plug.A diesel engine is very similar to a gasoline engine except for one main reason. A 4-stroke gasoline engine first intakes a mixture of air and fuel into the cylinder, compressed by a piston, and then this compressed mixture is ignited by a spark plug which creates a small electrical arch. A diesel engine first intakes just air into the cylinder and is compressed, afterwards the fuel is injected into the compressed air, the heat from the compression of the air ignites the mixture without the use of a spark plug.
What ignites the fuel in the engine cylinder of a diesel engine?
In a diesel engine, fuel is ignited by the heat generated from the high pressure created during the compression stroke. Air is compressed to a very high pressure, raising its temperature significantly, often above the fuel's ignition point. When diesel fuel is injected into the hot, compressed air, it ignites spontaneously without the need for a spark plug. This process is known as compression ignition.
