汽油机在压缩行程中温度已经远远高于汽油的点燃温度,为什么还需要点火（Gasoline engine in the compression stroke, the temperature has been far higher than the ignition temperature of gasoline, why need ignition）.docVIP

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2017-09-23 发布于河南
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汽油机在压缩行程中温度已经远远高于汽油的点燃温度,为什么还需要点火（Gasoline engine in the compression stroke, the temperature has been far higher than the ignition temperature of gasoline, why need ignition）.doc

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汽油机在压缩行程中温度已经远远高于汽油的点燃温度,为什么还需要点火（Gasoline engine in the compression stroke, the temperature has been far higher than the ignition temperature of gasoline, why need ignition） The ignition temperature of gasoline engine in a compression stroke temperature is much higher than gasoline, why do we need.Txt7 ignition is a Durian warmth of spring; warm is written on the face of the shadow; warming is bound to respond with warmth is strict in demands. The 8 respect is a spring, a spring, a give a person warm Shuxin pill, a dose of inspiring confidence The temperature of the compression stroke is really higher than that of the gasoline. But the point of fire refers to the temperature at standard atmospheric pressure. Compression stroke, when the piston reaches the top dead point, the pressure of the combustion chamber is about 10 standard pressure values. With the increase of the pressure, the ignition point of the fuel gas is correspondingly higher. So no early ignition. Interestingly, when the compression stroke reaches the TDC, the ignition temperature of the fuel is raised just above the autoignition temperature. This time, just spark plug, a small spark, it broke out instantly. The temperature of the engine is 200 higher at work (for a long time), and the return temperature should be 150 //////////////////////////////////////////////////////////////// Why is the gasoline engine mixed gas too strong, will lead to lack of power, fuel consumption, temperature rise? The space of the cylinder is limited. In this limited space, only the mixture of air and gasoline can be used in a certain proportion to achieve the best combustion effect. Otherwise, no matter how much oil or less oil, the combustion efficiency will be low The air is too thick, less oxygen is less, the oil is not burn oxygen is gone, so the increase in fuel consumption, combustion does not reach the rated value, so the lack of power. So that a large number of incomplete combustion heat is not converted into po