What does turbocharging on a car do

Turbocharging technology is one way to improve the air intake capacity of the engine. In principle, there is no mystery about supercharging. It is to use a special compressor to compress the gas in advance before entering the cylinder, improve the density of the gas entering the cylinder, reduce the volume of the gas, so that in the unit volume, the quality of the gas is greatly increased, and the air intake can meet the combustion needs of the fuel, so as to achieve the purpose of improving the engine power.

For example, for a gasoline engine, for every 1 kilogram of gasoline supplied to the cylinder, about 15 kilograms of air need to be inhaled into the cylinder to ensure that the gasoline is fully combusted. The volume of this 15 kg of air will be very large, and it is not easy to completely suck in such a large volume of air by relying on the vacuum generated by the cylinder in the engine intake process. Therefore, it is particularly important to improve the engine's ability to absorb gas, that is, to improve the engine's charging efficiency.

The main function of the turbocharger is to increase the engine intake pressure, improve the air-fuel ratio, make the engine burn more completely, improve thermal efficiency, increase engine power and save fuel. Under the current technical conditions, the turbocharger is the only mechanical device that can increase the power output of the engine while working at the same efficiency. A turbocharger is actually an air compressor that compresses air to increase the amount of air taken in.

More power, more horsepower, lower fuel consumption, and more expensive repairs.

First of all, you have to understand the working principle of turbocharging The main role of turbocharging is to increase the air intake of the engine, thereby increasing the power and torque of the engine, and making the car more powerful However, after supercharging, the pressure and temperature of the engine when working are greatly increased, so the engine life will be shorter than that of the engine with the same displacement without supercharging, and the mechanical properties and lubrication properties will be affected, which also limits the application of turbocharging technology in the engine to a certain extent.

Turbocharging is a technology that uses the exhaust gases generated by the operation of an internal combustion engine to drive an air compressor. The main function of turbocharging is to increase the air intake of the engine, thereby increasing the power and torque of the engine and making the car more powerful.

Turbocharged engine.

Turbocharging works by using the exhaust gases from the engine to drive the turbine while pressing more fresh air into the cylinders. In the early days, turbocharging was used in performance cars, and the turbo intervention required high revs, and the abruptness of the intervention was obvious, so it made a bad impression. With the continuous development of science and technology, the emergence of technologies such as in-cylinder direct injection and single turbo twin scroll tubes has further reduced the speed of turbo intervention, and some models can burst out the maximum torque in more than 1,000 rpm, which is much stronger than natural aspiration in an instant.

However, the smoothness of its power is relatively average, especially in the middle and rear sections, which is obviously weak, and it feels a bit anticlimactic. Because turbocharging delivers better power than naturally aspirated at a smaller displacement, fuel economy is theoretically better. In terms of maintenance, the current turbine basically achieves the same life as the engine, and consumers do not need to worry, but the standard requirements for oil and fuel are higher, and the direct injection in the cylinder is easy to form carbon deposits, and it is more troublesome to clean up later.

Turbocharging technology is now a widely used way to increase engine power. In fact, the principle is very simple, the two ends of the turbocharger are connected to the exhaust pipe of the engine on one side and the intake pipe on the other. When the engine is running, the exhaust will drive the turbine to spin, and when the rev reaches a certain level.

1. Turbocharging is an air-compressor driven by exhaust gas generated by the operation of an internal combustion engine. Similar to the supercharger, both increase the flow of air into an internal combustion engine or boiler, resulting in higher machine efficiency.

2. With the progress of technology, although various manufacturers using turbocharging are improving turbocharging technology, due to the design principle, the driving feeling of the car with turbocharger installed is different from that of the car with large displacement. For example, the turbocharged car we bought, in the actual driving, the acceleration is certainly not as good, but as long as the waiting period is passed, the power will also come up, so if you pursue the feeling of driving, the turbocharged engine is not suitable for you, if you are running at high speed or something, turbocharging is particularly useful.

3. Turbocharging can indeed improve the power of the engine, but it also has many shortcomings, the most obvious of which is the lag in power output response. Let's take a look at the previous working principle of turbocharging, that is, because the inertia of the impeller reacts slowly to sudden changes in the throttle, that is to say, there is a time lag between when you press the throttle to increase the horsepower, and when the impeller rotates to press more air into the engine to get more power, and this time is not short. Generally, the modified turbo also takes at least 2 seconds or so to increase or decrease the engine power output.

If you want to accelerate suddenly, you will feel like you can't speed up in an instant.

4. In addition, turbocharging also has maintenance problems, take Bora as an example, about 60,000 kilometers to replace the turbine, although the number is not much, after all, it has added a maintenance fee to their own car, which is particularly noteworthy for owners whose economic environment is not particularly good.

5. If your car is often driven in the city, then it is necessary to consider what kind of turbo is needed, because the turbo does not start all the time. For those turbocharged engines with high starting speeds, take the turbocharging of Subaru (Fuji) Impreza, its starting is around 3500 rpm, and the estimated speed of 5 gears can go up to 3500 rpm is broken 120, unless you deliberately stay in low gear, the turbocharging of Impreza at a speed of no more than 120 kilometers per hour cannot be started at all.