介绍了运用高速纹影摄影对火花点火发动机循环变动特性的研究。
This paper studies the characteristics of cyclic combustion variation in spark ignition engines by using high speed schlieren photographs.
因为冲击波反映了折射率的明显和突然的变化，他们能在纹影摄影中清楚地被展现出来。
Because shock waves represent a stark and sudden change in refractive index, they show up clearly in schlieren photographs.
采用激光纹影高速摄影和激光衍射方法进行喷雾结构特性和粒度特性测量。
The spray shape and droplet characteristics were measured by means of Laser schlieren high speed photography and Malvern Laser Diffraction method.
通过对比，纹影图像比直接摄影图像能更早地观察到火焰的产生，火焰轮廓更大，能够反应火焰的变化形态。
Compared with the images taken by direct photography, the earlier generation of flame, the broader flame contour and the transformation of flame configuration could be observed from schlieren results.
通过对比，纹影图像比直接摄影图像能更早地观察到火焰的产生，火焰轮廓更大，能够反应火焰的变化形态。
Compared with the images taken by direct photography, the earlier generation of flame, the broader flame contour and the transformation of flame configuration could be observed from schlieren results.
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