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利用分形几何的基本原理对柴油机燃油喷注表面特性进行了研究．在对燃油喷注轮廓分形维实际测量和分析的基础上，提出将其轮廓线的分形维作为除贯穿度和喷雾锥角之外的又一特征参数，对燃油喷注特性作定量的描述．
The basic principle of fractal geometry is used to study the surface characteristics of diesel fuel injection. Based on the actual measurement and analysis of the fractal dimension of the fuel injection profile, the fractal dimension of the outline of the fuel injection profile is proposed as a further characteristic parameter in addition to the penetration and the spray cone angle to quantitatively describe the fuel injection characteristics.