...火焰表面法线 方向上的移动速度称为火焰的法线速度，用U n 表 示，也称为层流燃烧速度 层流燃烧速度( laminar burning velocity) ，用S l 表示。
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对于三区模型，加上相关的衍生了一套描述的压力和温度的层流燃烧速度和火焰层厚度的影响。
For the three-zone model, a set of coupled correlations has been derived to describe the effect of pressure and temperature on the laminar burning velocity and the laminar flame thickness.
此模型能根据实测的燃烧压力曲线计算出层流燃烧速度、已燃气火焰温度及火焰传播速度等参数随压力、当量比、发动机转速、点火提前角的变化规律。
The variation of combustion velocity, fired gas temperature and flame propagation speed, when the press, excess air ratio and ignition timing changed, was calculated by this quasi-dimensional model.
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