文章摘要信息 关键词 ： 指尖密封；二次旋转正交试验；有限元方法；灰色关联方法 [gap=1237]Keywords : finger seal;quadratic rotary orthogonal combination design;FEM;grey correlative method ..
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After extensive analytical work, a significant conclusion can be arrived at that the finger seal assembled with aft cover plate of smaller bore diameter has better synthetical characteristics of low hysteresis and stiffness.
从综合影响角度考虑，具有较小后遮流板内径的指尖密封体现出更为优良的低迟滞和低刚度的综合特性。
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本文工作可为设计性能良好的周向收敛型动压式指尖密封提供一定的理论依据。
This article can provide certain theoretical foundation for designing circumferential convergent hydrodynamic finger seals with high performance.
根据周向收敛型动压式指尖密封的工作性能要求，提出密封性能优化数学模型。
According to the working performance requirements of a circumferential convergent hydrodynamic finger seal, a performance optimization model is constructed.
流体动压指尖密封系统因其结构和工况条件的复杂，无法完整描述其动力学特性和泄漏性能。
It is nearly impossible to fully describe the dynamics and leakage characteristics of a padded finger seal system since its structure and operation conditions are so complex.
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