Q
how does 2 stroke diesel engine work
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
A 2-stroke diesel engine works based on a two-stroke cycle. The two strokes are the power stroke (combustion) and the exhaust stroke. Here is a simplified explanation:
1. Intake: The process begins with the intake, when the piston is at the upper part of the cylinder (known as top dead center or TDC). The fuel injector sprays diesel fuel into the combustion chamber. At the same time, new air gets pushed into the cylinder.
2. Power Stroke (Combustion): When the piston moves down, the fuel-air mixture gets compressed at high pressure, causing the temperature to rise and resulting in self-ignition. This combustion generates high pressure, driving the piston downward, turning the crankshaft and generating power.
3. Exhaust Stroke: As the piston contacts the bottom (known as bottom dead center or BDC), the exhaust valve (port) opens. The upward movement of the piston expels the exhaust gases out, and at the same time, new air is drawn in for the next cycle.
4. Intake (Again): The piston returns to top dead center, the exhaust port closes, and the next power stroke begins. The fuel injector sprays diesel fuel into the combustion chamber, and the cycle repeats.
The unique thing about the 2-stroke diesel engine is that the intake and exhaust processes occur simultaneously and quickly, allowing for the power stroke to occur every other stroke instead of every four strokes like in a 4-stroke engine. This results in higher power output but lower fuel efficiency. Additionally, 2-stroke diesel engines are often simpler in design and cheaper to build and maintain.
Please note that this is a simplified explanation; the exact process depends on the specific engine design.
1. Intake: The process begins with the intake, when the piston is at the upper part of the cylinder (known as top dead center or TDC). The fuel injector sprays diesel fuel into the combustion chamber. At the same time, new air gets pushed into the cylinder.
2. Power Stroke (Combustion): When the piston moves down, the fuel-air mixture gets compressed at high pressure, causing the temperature to rise and resulting in self-ignition. This combustion generates high pressure, driving the piston downward, turning the crankshaft and generating power.
3. Exhaust Stroke: As the piston contacts the bottom (known as bottom dead center or BDC), the exhaust valve (port) opens. The upward movement of the piston expels the exhaust gases out, and at the same time, new air is drawn in for the next cycle.
4. Intake (Again): The piston returns to top dead center, the exhaust port closes, and the next power stroke begins. The fuel injector sprays diesel fuel into the combustion chamber, and the cycle repeats.
The unique thing about the 2-stroke diesel engine is that the intake and exhaust processes occur simultaneously and quickly, allowing for the power stroke to occur every other stroke instead of every four strokes like in a 4-stroke engine. This results in higher power output but lower fuel efficiency. Additionally, 2-stroke diesel engines are often simpler in design and cheaper to build and maintain.
Please note that this is a simplified explanation; the exact process depends on the specific engine design.
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