Influential parameters of rotating blades with under platform dampers
ZHANG Dayi1,2, YANG Cheng1, XIA Ying1, FU Jianwei1, HONG Jie1,2
1 School of Energy and Power Engineering，Beijing university of aeronautics and astronautics, Beijing 100191，China;
2. Collaborative Innovation Center of Advanced Aero-Engine，Beijing 100191，China
Abstract：According to the configuration design requirements of the under platform damper(UPD) in aero engines, the nonlinear stiffness and damping due to frictional contact were studied based on a simplified model of UPD.The nonlinear vibration responses of the blade with different design parameters were calculated by adopting the distributed contact model which takes account of the distributed normal load and partial slip.The influences of the design parameters of UDP on the vibration characteristics of the blade were investigated.The results indicate that the UPD mass is the pivotal parameter in the design of UPD, and it is supposed to determine it by the optimal pressing load.
收稿日期: 2018-01-17
出版日期: 2019-05-15
引用本文:
张大义1,2，杨诚1, 夏颖1，付检伟1，洪杰1,2. 带缘板阻尼结构转子叶片振动特性的影响参数分析[J]. 振动与冲击, 2019, 38(10): 221-227.
ZHANG Dayi1,2, YANG Cheng1, XIA Ying1, FU Jianwei1, HONG Jie1,2. Influential parameters of rotating blades with under platform dampers. JOURNAL OF VIBRATION AND SHOCK, 2019, 38(10): 221-227.
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