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首先采用有限元法对带阻尼套筒的篦齿封严结构进行振动特性的计算分析,通过建立接触面刚度矩阵模拟阻尼套筒对篦齿封严结构固有振动特性的影响,然后采用无量纲化技术对带阻尼套筒的篦齿封严结构进行振型协调分析,并得出相应结论。
Firstly, the finite element method is used to calculate and analyze the vibration characteristics of the labyrinth seal structure with damping sleeve. The influence of the damping sleeve on the inherent vibration characteristics of the labyrinth seal structure is simulated by establishing the contact stiffness matrix. Then, In this paper, the vibration modes of labyrinth seal with damping sleeve were analyzed and the corresponding conclusions were drawn.