A turbocharger is a common automotive engine supercharging device, which can increase the air intake density of the engine without changing the engine displacement, thereby increasing the fuel combustion and output power. The working principle of the turbocharger is based on the principle of thermodynamics. Let's take a closer look at it below.

The principle of the turbocharger is to use the exhaust energy to drive an impeller, and the rotation of the impeller compresses the intake air to increase the density of the intake air to achieve a supercharging effect. Specifically, a turbocharger consists of two main parts: the turbine and the compressor. The turbine is a wheel composed of many blades, which is connected to the exhaust pipe of the engine. When the exhaust air flows through the turbine, the turbine rotates due to the pressure and speed of the airflow.

The rotational power of the turbine depends on the pressure and velocity of the airflow, and is also affected by the design and material of the turbine. The compressor is another wheel made of many blades, which is connected to the intake pipe of the engine and is turned by the turbine shaft. As the compressor rotates, it compresses the air entering it, increasing the density and pressure of the intake air, which in turn delivers the boosted air to the engine for combustion.

The principle of the turbocharger is based on the principle of thermodynamics. Specifically, when the exhaust airflow passes through the turbine, it obtains kinetic energy due to the rotation of the turbine. At the same time, due to the principle of thermodynamics, the temperature and pressure of the exhaust airflow will drop. The turbine converts the kinetic energy of the exhaust airflow into bearing energy, which can be used to drive the compressor, deliver compressed air to the engine, and increase the intake air density and output power of the engine.

In short, a turbocharger is a car engine supercharging device based on the principle of thermodynamics, which uses the energy of the exhaust airflow to drive the turbine to achieve the supercharging effect. Although the principle of the turbocharger is complicated, its advantages are obvious. It can increase the output power of the car engine, reduce fuel consumption, and can work normally in complex environments such as high altitude and high temperature.