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引擎燃烧室 汽车专业英语翻译.doc


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引擎燃烧室
1. principle of operation 原理
Engine and power :
Engine is used to produce power. The chemical energy in fuel is converted to heat by the burning of the fuel at a controlled rate. This process is bustion. If bustion occurs with the power chamber. ,the engine is called bustion engine. bustion takes place outside the cylinder, the engine is called an bustion engine.
Engine used in automobiles are bustion heat engines. Heat energy released in bustion chamber raises the temperature of bustion gases with the chamber. The increase in gas temperature causes the pressure of the gases to increase. The pressure developed within bustion chamber is applied to the head of a piston to produce a usable mechanical force, which is then converted into useful mechanical power.
译:
引擎和能量:
引擎为汽车提供能量,燃料的化学能通过燃烧,转化为热能,这个过程叫燃烧。假如燃烧在燃烧室,这样的发动机叫内燃机。假如燃烧在气缸外,这样的发动机叫外燃机。
用在汽车上的一般是内燃机,热能在燃烧室释放,燃烧室气体温度升高。气体温度的升高使气体的压力曾加,燃烧室内的高压气体作用在活塞头部产生可以利用的化学能,化学能转化为机械能。
Engine Terms :
Linking the piston by a connecting rod to a crankshaft causes the gas to rotate the shaft through half a turn. The power stroke “uses up” the gas , so means must be provided to expel the burnt gas and recharge the cylinder with a fresh petrol-air mixture :this control of gas movement is the duty of the valves ;an inlet valve allows the new mixture to enter at the right time and an exhaust valve lets out the burnt gas after

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  • 时间2018-08-18