通过分析端面结构参数对密封开启力和液膜刚度的影响规律，可得到端面结构的优化参数。

Seal face geometry parameters can be optimized by analyzing regulation of their effect on opening force and liquid film stiffness.

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主要研究内容和结论如下：1。建立了激光加工多孔端面机械密封的流体动力学分析模型，根据假设，一个孔栏上的液膜压力分布可表征整个密封面上的液膜压力。

The main contents and achievements are summarized as follow:1. A theoretical model has been developed to investigate hydrodynamic effect of mechanical seals with a laser-textured pores seal face.

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在同样条件下，外开槽泵入式密封环的开启力和液膜刚度大于内开槽泵出式密封环的开启力和液膜刚度。

The opening force and film stiffness of the "pumping in" mechanical seal are greater than those of the "pumping out" mechanical seal under the same conditions.

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