转子叶片缘板阻尼结构设计方法

张大义; 张嵩; 付俭伟; 洪杰

doi:10.13224/j.cnki.jasp.2018.04.023

转子叶片缘板阻尼结构设计方法

doi: 10.13224/j.cnki.jasp.2018.04.023

张大义^1,2,
张嵩¹,
付俭伟¹,
洪杰^1,3

1.
北京航空航天大学能源与动力工程学院,北京 100191
2.
北京航空航天大学能源与动力工程学院航空发动机结构强度北京市重点实验室,北京 100191
3.
先进航空发动机协同创新中心,北京 100191

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出版历程
- 收稿日期: 2017-06-20
- 刊出日期: 2018-04-28

Design method for the under platform damper of rotor blade

摘要

摘要: 根据工程应用需求,从工程设计人员角度出发,阐明了结构设计参数、接触参数和动力学参数之间的相互影响关系。进一步建立了缘板阻尼结构的设计流程和优化方法,并给出了结构设计合理性的评估参数。某薄片式缘板阻尼结构的优化结果表明：通过优化缘板阻尼结构截面形状,可改善接触面应力的均匀程度,提高实际有效接触面积,实现在多个停留转速工况下更好的贴合状态,从而起到更好的振动抑制效果。
- 叶片 /
- 干摩擦 /
- 缘板阻尼结构 /
- 设计流程 /
- 结构优化
Abstract: The interactional relationship among the configuration parameters, contact parameters and dynamic parameters from the point of view for engineers and the need of engineering applications was discussed. The design process and optimization method of the under platform damper were further established to give the evaluation parameters for the rationality of the structure design. As the result of the optimization of a lamellar under platform damper, the uniformity of contact stress and the effective contact area can be improved by optimizing the section shape of the under platform damper. Meanwhile, the method can reach excellent damping effects for multiple operating rotation speeds.
- blade /
- dry friction /
- under platform damper /
- design flow /
- structure optimization

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参考文献(20)

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