吸气自然吸气、机械增压和涡轮增压器的区别(The difference between naturally aspirated, supercharged, and turbochargers)

自然吸气和涡轮增压哪个好  时间:2021-01-16  阅读:()

自然吸气、机械增压和涡轮增压器的区别The difference between naturally aspirated, supercharged, and turbochargersCareful riders may notice various letters on the tail of a car,such as 1.8T, 2. 7TDI, 2.4L, 2.8FSI, 1.8TSI, 3.0TFSI and the like.Andwhat does each of these letters mean? In most cases, letters are used to explain how this car is supercharged. For example,the letter "T" is the abbreviation for English Turbo (turbo) .The 1.8T and 1.8TSI are all intake turbocharging. L sometimes represents the natural intake of air, such as Peugeot 5082.0L without any intake supercharger. L sometimes stands for mechanical pressurization. For example, Nissan 1.2L is a supercharged model. Then what are the differences between the 3 intake methods?

First of all, naturally aspirated. Naturally aspirated is a form of atmospheric pressure that enters air into a combustion chamber without passing through any supercharger. Most of the early family cars adopted this method of air intake. Because of the lack of a compression link, the naturally aspirated engine is much better than the supercharged engine in its ride comfort and direct response to power output. However, the disadvantages are obvious. Because of the inability to adjust the air-fuel ratio, the same displacement of the natural intake engine is more powerful than the engine equipped with the supercharger. Currently on the market mainly naturally aspirated models have imperial EC8, Peugeot 508, Citroen C5.Mechanical supercharging is a method of increasing the output of power wheels without increasing the engine exhaust. It directly uses the engine torque to drive the supercharger, and

then sends the high density air into the cylinder to increase the output power of the engine. According to the different structure, there are many types of superchargers, including blade type, Lushi, vyncke Haier type, and the first movement of the piston is also considered a supercharger, today, the Lushi supercharger is the most widely used, is the favorite modification. The characteristics of the supercharger, except at low speed canbe obtained to increase the pressure, the power output is proportional to the pressure and speed of crankshaft,the supercharged engine as the speed increases, the supercharger output increases, so the operation feeling and natural gas supercharged engine is similar, but can have greater horsepower and torque. But the disadvantage is that the mechanical supercharged steam belt drive, driving power source in the engine, more oil. Moreover, the noise is high at high speed, and the maintenance cost is higher. Therefore, today' s supercharged engines prevail in the racing world, the car industry and the top sports car, sedan models are not common,Mercedes Benz related models are more.

Turbocharged is hot in recent years, almost every car enterprises are turbocharged models for the sale of the main,almost become synonymous with new technologies. The easiest way is the supercharged supercharger, the turbine was invented in order to distinguish the original style and booster, in the displacement after the letter "T", can be said that the vast majority of car tail with "T" car is a turbocharged. The principle of turbocharging is to use the exhaust emissions of the engine to drive the compressor. In theory, as long as the cylinder body, the original design is thick enough to withstand pressure, to increase the number and the size of the

turbocharger body, pressurization force almost can increase without limit. That is to say, the increase of the pressure ratio of the turbine supercharger several times. In addition,the use of exhaust gas energy, in theory, does not bring extra fuel consumption for the engine. The disadvantage is also obvious, one is the reaction lag, because from the intake to exhaust exhaust will take some time, that is, the turbine' s response is always laggingbehind the current speed conditions.This is especially true when the car starts. In addition, the use and maintenance of turbines are also complex. In recent years, the prevalence of turbine engines is mainly due to its strong dynamic performance, and the 1.4 displacement turbocharged engine can match the power of 1.8 displacement naturally aspirated engines. As a result of the relevant emission regulations and policies, small displacement, large power vehicles will certainly be favored by manufacturers and c onsumers.

For maintenance purposes, naturally aspirated vehicles are easiest to maintain and have no additional expenditure in this regard,

There is no need to pay special attention to anything. And the maintenance of turbocharged vehicles need to pay attention to many matters. As the turbine blades are running in more than 400 degree car exhaust for a long time, the condition is bad,so it is easy to have problems in heat dissipation and lubrication, so it is necessary to change oil and lubricating oil frequently. In addition, impurities are also much wear and tear on the turbine, so the filter to be replaced in a timely manner. The turbine owner also needs to be careful when driving.

The cold car must start at a slow pace and give the turbine oil and lubricant enough time to get into the working state. You need to idle a few minutes before you stop, and then let the turbine down naturally. The supercharged vehicle maintains the same basic style as the turbine, but it is much more efficient than the maintenance of the turbine because of its better working conditions.

On the whole, the three intake methods have pros and cons, which can not be advanced which backward, the key is based on the owner' s personal preferences and car habits, choose the most suitable for one of their own.

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