Write component parts of diesel engine gasoline engine and it difference between them ?

Question

Bot · Answer

The component parts of a diesel engine and a gasoline engine are similar in many ways, but there are some distinct differences between them. Here are the common component parts of each type of engine:

Diesel Engine:
1. Cylinder block
2. Cylinder head
3. Piston
4. Connecting rod
5. Crankshaft
6. Camshaft
7. Fuel injector
8. Glow plug (only in cold-start diesel engines)
9. Turbocharger (common in modern diesel engines)
10. Intake manifold
11. Exhaust manifold
12. Valve train (valves, camshaft, pushrods, and rockers)
13. Timing system (timing belt or chain)

Gasoline Engine:
1. Cylinder block
2. Cylinder head
3. Piston
4. Connecting rod
5. Crankshaft
6. Camshaft
7. Spark plug
8. Ignition coil
9. Throttle body
10. Intake manifold
11. Exhaust manifold
12. Valve train (valves, camshaft, pushrods, and rockers)
13. Timing system (timing belt or chain)

Although the major component parts are quite similar, the main difference between diesel engines and gasoline engines lies in their ignition systems and fuel delivery processes.

In a gasoline engine, the fuel and air mixture is ignited by a spark plug, which creates a spark to ignite the air-fuel mixture. Gasoline engines use a throttle body to control the amount of air entering the engine.

In contrast, a diesel engine compresses the air inside the cylinder to a high enough pressure and temperature to ignite the fuel without a spark. Diesel engines use a high-pressure fuel injector to inject fuel directly into the combustion chamber.

Another significant difference is the compression ratio. Diesel engines generally have higher compression ratios than gasoline engines. The higher compression ratio in diesel engines allows for a more efficient combustion process, resulting in better fuel efficiency and higher torque output.

Overall, while there are similarities in the component parts of diesel and gasoline engines, their ignition systems and fuel delivery processes are what primarily set them apart.