A turbocharged engine refers to an engine equipped with a turbocharger. A turbocharger is actually an air compressor that uses compressed air to increase the amount of intake air. It uses the inertial force of the exhaust gas from the engine to push the turbine in the turbine chamber. The turbine drives the coaxial impeller. The impeller presses the air sent by the air filter pipe to pressurize it into the cylinder. When the engine speed increases, the exhaust gas discharge speed and the turbine speed also increase synchronously. The impeller compresses more air into the cylinder. The increase in air pressure and density can burn more fuel, correspondingly increase the fuel amount and adjust the engine. With the speed, you can increase the output of the engine.
The earliest turbochargers were used in sports cars or formula cars, so that in a racing game where engine displacement was limited, the engine could get more power.
The engine generates power by burning fuel in the cylinder. Since the amount of fuel input is limited by the amount of air sucked into the cylinder, the power generated by the engine is also limited if the engine is running at its best. Increasing the output power can only increase the amount of fuel by compressing more air into the cylinder, thereby increasing the engine's ability to function. Therefore, under the current technical conditions, the turbocharger is the only mechanical device that can increase the output power of the engine without reducing the working efficiency.
The turbocharger consists primarily of a turbine chamber and a supercharger. First, the intake of the turbine chamber is connected to the engine exhaust manifold, and the exhaust port is connected to the exhaust pipe. Then, the inlet of the supercharger is connected to the air cleaner pipe, the exhaust port is connected to the intake manifold, and finally the turbine and the impeller are respectively installed in the turbine chamber and the supercharger, and the two are coaxially rigidly coupled.
The biggest advantage of turbocharging is that it can greatly increase the power and torque of the engine without increasing the engine displacement. Turbocharged engines are not only more fuel efficient, but also reduce CO (carbon monoxide), CH (hydrocarbon) and PM (fines) in emissions.
The turbocharged engine is simple in structure, easy to install, and has wide technical adaptability. It can be applied from low speed to high speed, from two strokes to four strokes, from small bore to large bore. In addition, the noise of a turbocharged engine is smaller than that of a naturally aspirated engine.
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