Which diesel engine is the best

You may be familiar with diesel engines, so when it comes to the classification of diesel engines, how much can you know, and which diesel engine is the best?

Types of diesel engines

Analyze the difference between diesel engines and determine which diesel engine is the best

Types of diesel engines

According to the speed, it is divided into three categories: low, medium, and high. Among them, the speed of the low-speed machine is less than 300r/m, the speed of the medium-speed machine is greater than 300r/m and less than 1000r/m, and the speed of the high-speed machine is greater than 1000r/m. According to the working cycle, it is divided into a four-stroke diesel engine and a two-stroke diesel engine. According to the air intake mode: there are supercharged diesel engines and non-supercharged diesel engines. According to structural characteristics: cylindrical piston type and crosshead type diesel engine. According to the steering of the diesel engine and the position of the exhaust pipe, it is divided into the left engine and right engine.According to whether the diesel engine is reversible or not, it is divided into an irreversible diesel engine and a reversible diesel engine

Analyze the difference between diesel engines and determine which diesel engine is the best

A two-stroke diesel engine refers to a diesel engine in which the piston completes a working cycle through two strokes (the crankshaft rotates 360 degrees). The two-stroke diesel engine is characterized by a large output power per cylinder volume. At present, domestic diesel engine units are rarely used.

A four-stroke diesel engine refers to a diesel engine in which the piston completes a working cycle through four strokes (the crankshaft rotates 720.). At present, most domestic diesel engines adopt a four-stroke working mode.

A vertical diesel engine refers to a diesel engine with the cylinder arranged above the crankshaft and the centerline is perpendicular to the horizontal plane.

A horizontal diesel engine refers to a diesel engine whose cylinder centerline is parallel to the horizontal plane. The layout of diesel engine cylinders includes the horizontal, star, and H-shaped.

An in-line diesel engine refers to a diesel engine with two or more vertical cylinders arranged in a row. The cylinders of a diesel engine are arranged vertically in a single row, which is called a single-row diesel engine. This type is commonly used in diesel engines with less than 6 cylinders.

V-shaped diesel engine refers to a diesel engine with two or two rows of cylinders, the angle between the center lines of the cylinders is V-shaped, and the output power of a crankshaft is shared. The cylinders of the diesel engine are arranged in a V-shaped oblique double row, which is called a double-row V-shaped diesel engine.

There is no best diesel engine, only the most suitable diesel engine

In some respects, two-stroke diesel engines are better than four-stroke diesel engines, but four-stroke machines have an advantage over small engines.

Supercharged diesel engines are more efficient than non-supercharged diesel engines, but non-supercharged diesel engines are cheaper

The newly developed common rail diesel engine is good, with low fuel consumption, low noise, and easy maintenance, but the current technology is not very mature. There are many types of diesel engines, and there are several types of supercharging methods, each with its characteristics and advantages.

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