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3.1可燃混合气的火花点火1.火花点火过程火花点火就是利用点火间隙处产生的放电能量,使混合气形成具有传播能力的火焰。火花点火应具备的两个要素是:形成火焰中心和确保火焰传播。在点火间隙处跳火时,产生火花的局部区域中混合气被加热,使混合气分子活化,开始发火反应。经过一定的时间,形成火焰中心。从点火开始到形成火焰中心这段时间称为着火延迟期。火焰中心进一步发展,达
3.1 combustible mixture of spark ignition 1 spark ignition spark ignition is the use of ignition gap generated by the discharge energy, the mixture to form a flame with the ability to spread. Spark ignition should have two elements: the formation of flame centers and to ensure the spread of flame. When igniting at the ignition gap, the mixture in the local area where the spark is generated is heated, activating the gas molecules and starting the pyrophoric reaction. After a certain time, the formation of flame center. The time from the start of ignition to the formation of the flame center is called the fire delay. Flame center further development, up