How to measure supplier performance

What is How to measure supplier performancethe engine (what is the main function and composition of the engine)? The engine is the core component of modern transportation. It is a device that converts chemical energy into mechanical energy and is used to generate power to drive the vehicle. The main function of the engine is to convert chemical energy into mechanical energy to generate power to drive the vehicle.The main components of the engine include cylinders, pistons, connecting rods, crankshafts and valves. The cylinder of the engine is the basic working part of the engine. It is usually made of aluminum alloy or ferroalloy and is used to accommodate components such as pistons and valves. Various equipment such as ignition system, fuel injection system, valve mechanism and so on are arranged inside the cylinder. They work together to complete the work processes of air introduction, mixed gas, ignition, combustion, exhaust gas and so on. The piston is the core component of the cylinder. It is usually made of aluminum alloy or cast iron. The temperature and pressure are very high. When working, it is subjected to huge impact and pressure, so it needs to be resistant to high temperature and wear. As a part connecting the piston and the crankshaft, the connecting rod is one of the important connecting parts in the engine. It outputs energy to the crankshaft in the form of a rotor and so on through the movement of the piston in the cylinder, so that the crankshaft can run.The crankshaft is a rotating shaft used to transmit torque and rotation, which is an important part of energy transmission in the engine. When the crankshaft rotates, it can generate torque and power to drive the vehicle. The valve is a device used in the engine to introduce air and mixture, and to discharge the exhaust gas after combustion. The valve is placed between the piston and the cylinder according to different work requirements, and the opening and closing state is controlled by the valve mechanism. The working principle of the engine The working principle of the engine is to use the compression, combustion and exhaust processes inside the cylinder to generate high-temperature and high-pressure gas, and then promote the piston to transfer energy. A spark plug or fuel injector is installed at the top (or bottom) of the piston, which ignites or injects fuel at the right time, ignites the mixed gas, makes it burst, and quickly releases huge heat energy, so that the gas temperature and pressure inside the cylinder rise sharply.High-temperature and high-pressure gas drives the piston movement, and the connecting rod then transfers energy to the crankshaft to form power, and finally pushes the vehicle. The type of engine is divided into internal combustion engine and external combustion engine according to the working principle and fuel type. Internal combustion engines are divided into gasoline engines and diesel engines. Gasoline engines burn after ignition by mixing air and gasoline, producing high-temperature and high-pressure gas, driving piston movement, and then driving the vehicle. Diesel engines compress the air to a very high pressure by using diesel as fuel, so that the fuel fuel spontaneously ignites to form high-temperature and high-pressure gas, which promotes the piston movement and thus completes energy transfer. External combustion engine, also known as steam engine, uses heat (coal, wood and other fuels) to produce steam or gas to push pistons, wheels and other mechanical parts to rotate. The future of the engine will pay more and more attention to environmental protection and energy saving.To this end, major automobile manufacturers are actively researching and developing new engines. While improving power and performance, they vigorously promote high-efficiency, low-emission and fuel-saving new energy vehicles, such as electric vehicles, hybrid vehicles, etc., to reduce environmental pollution, reduce energy consumption, and promote the sustainable development of the automobile industry. Conclusion As the core component of modern transportation, the function of the engine is self-evident. By understanding the composition and working principle of the engine, we can better understand the car, and better understand the internal structure and working principle of the car in daily repair and maintenance.

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