Traditional Culture Encyclopedia - Photography and portraiture - How can I scrap the engine?
How can I scrap the engine?
An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines (gasoline engines, etc. ), external combustion engine (Stirling engine, steam engine, etc. ), motor, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy. The engine is suitable for both power generation devices and complete machines (such as gasoline engines and aero-engines) including power devices. The engine was first born in Britain, so the concept of engine also originated in English. Its original meaning refers to "a mechanical device that generates power".
The external combustion engine, that is to say, its fuel burns outside the engine, was invented by R. Stirling of Scotland in 18 16, so it is also called Stirling engine. The engine converts the thermal energy generated by combustion into kinetic energy. Watt's improved steam engine is a typical external combustion engine. When a large amount of coal is burned to generate heat energy to heat water into a large amount of steam, high pressure is generated, and then this high pressure pushes the machinery to do work, thus completing the conversion of heat energy into kinetic energy.
Understand what an external combustion engine is and you will know what an internal combustion engine is. The biggest difference between this engine and an external combustion engine is that its fuel is burned internally. There are many kinds of internal combustion engines. Common gasoline engines and diesel engines are typical internal combustion engines. Unusual rocket engines and jet engines assembled on airplanes also belong to internal combustion engines. However, due to the different power output modes, there are great differences between the former two and the latter two. Generally speaking, the former is mostly used on the ground and the latter is mostly used in the air. Of course, some car manufacturers have installed jet engines in their cars in order to create a new world car speed record, but this is always a very special example and is not applicable to mass production.
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