基于减缩模型的硬涂层-失谐整体叶盘动力学分析

doi:10.12068/j.issn.1005-3026.2018.11.021

东北大学学报:自然科学版 ›› 2018, Vol. 39 ›› Issue (11): 1624-1629.DOI: 10.12068/j.issn.1005-3026.2018.11.021

基于减缩模型的硬涂层-失谐整体叶盘动力学分析

高峰^1,2，孙伟^1,2，范云飞^1,2

(1. 东北大学机械工程与自动化学院，辽宁沈阳110819; 2. 东北大学航空动力装备振动及控制教育部重点实验室，辽宁沈阳110819)

收稿日期:2017-08-21 修回日期:2017-08-21 出版日期:2018-11-15 发布日期:2018-11-09
通讯作者: 高峰
作者简介:高峰(1989-)，男，山东临沂人，东北大学博士研究生; 孙伟(1975-)，男，辽宁营口人，东北大学教授，博士生导师.冯明杰(1971-)，男，河南禹州人，东北大学副教授; 王恩刚(1962-)，男，辽宁沈阳人，东北大学教授，博士生导师.
基金资助:
国家自然科学基金资助项目(51775092); 中央高校基本科研业务费专项资金资助项目(N170306002).

Dynamic Analysis of the Hard-Coating Mistuned Blisk Using ROM

GAO Feng^1,2， SUN Wei^1,2， FAN Yun-fei^1,2

1. School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China; 2. Key Laboratory of Ministry of Education on Vibration and Its Control of Aerospace Power Equipment， Northeastern University， Shenyang 110819， China.

Received:2017-08-21 Revised:2017-08-21 Online:2018-11-15 Published:2018-11-09
Contact: SUN Wei
About author:-
Supported by:
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摘要/Abstract

摘要： 提出一种对叶片涂敷硬涂层的阻尼减振方法，并以涂敷NiCoCrAlY+YSZ硬涂层的失谐整体叶盘为实例进行有效性研究.首先，利用改进的固定界面子结构模态综合法对涂敷硬涂层的失谐整体叶盘的有限元模型进行减缩，并求解其振动特性.其次，研究了硬涂层对失谐整体叶盘振动特性的影响.最后，重点分析了硬涂层厚度对失谐整体叶盘阻尼性能的影响.结果表明，硬涂层对固有频率的影响微弱，但有较强的阻尼效应，能够显著抑制失谐整体叶盘的共振响应.

关键词: 失谐整体叶盘, 硬涂层, 减缩建模, 涂层厚度, 阻尼能力

Abstract: A damping vibration reduction method with depositing hard coating on blades was proposed， and a mistuned blisk with NiCoCrAlY+YSZ hard coating deposited was taken as example for numerical calculation. Firstly， the reduced-order model (ROM) of the hard-coating mistuned blisk was established by the improved fixed interface component modal synthesis method (Fixed-ICMSM)， then the vibration characteristics were calculated. Subsequently， the influences of hard coating were studied toward vibration characteristics of the mistuned blisk. Next， the influence of the coating thickness was studied particularly toward damping capacity of mistuned blisk. The results revealed that the NiCoCrAlY+YSZ hard coating has little effect on natural frequencies and good effect on damping. Also， the resonant response of the mistuned blisk can be suppressed remarkably， by the hard coating.

Key words: mistuned blisk, hard coating, reduced-order model(ROM), coating thickness, damping capacity

中图分类号:

高峰，孙伟，范云飞. 基于减缩模型的硬涂层-失谐整体叶盘动力学分析[J]. 东北大学学报:自然科学版, 2018, 39(11): 1624-1629.

GAO Feng， SUN Wei， FAN Yun-fei. Dynamic Analysis of the Hard-Coating Mistuned Blisk Using ROM[J]. Journal of Northeastern University Natural Science, 2018, 39(11): 1624-1629.

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基于减缩模型的硬涂层-失谐整体叶盘动力学分析

Dynamic Analysis of the Hard-Coating Mistuned Blisk Using ROM

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