Abstract
The performance of finger seal as an important component has decisive influence on performance of aeroengine. The complicated operating state of aeroengine, such as assembly condition, also has important influence on finger seal performance. However, equivalent dynamic model has not considered this factor, the effect of that on calculation accuracy of finger seal performance analysis is inevitable. Aiming at the problems mentioned above, a distributed mass is proposed in this paper, and the influence of assembly condition on finger seal performance is investigated. It is shown that, assembly condition of finger seal has important influence on dynamic performance of finger seal. The present work is more close to actual engineering, and the work may have certain academic and practical values.
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