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Prediction of vibration characteristics of blisks using similitude models
Luo Z(罗忠)1; Wang Y(王有)2; Zhai, Jingyu3; Zhu YP(朱云鹏)4; Wang, Deyou5
Department海洋信息技术装备中心
Source PublicationMECHANICS BASED DESIGN OF STRUCTURES AND MACHINES
ISSN1539-7734
2019
Volume47Issue:2Pages:121-135
Indexed BySCI
WOS IDWOS:000458900400001
Contribution Rank2
Funding OrganizationNational Science Foundation of China [11572082] ; Fundamental Research Funds for the Central Universities of China [N160312001, N150304004] ; Excellent Talents Support Program in Institutions of Higher Learning in Liaoning Province of China [LJQ2015038]
KeywordBlisk distorted scaling law similitude vibration
AbstractThis study investigates the determination approach of distorted scaling laws for predicting the dynamic characteristic of an aero engine's blisk. Based on the dynamic scaling laws of typical thin-walled structures, an assumption of geometrically complete scaling laws is firstly proposed and numerically validated. For distorted models of disk thickness, in order to simplify the design procedure, a simplification condition is proposed and applied to the first 10 orders' distorted scaling laws (blade-dominated vibrations) by combining sensitivity analysis. Next, the 11th-14th orders' distorted scaling laws are determined for disk-dominated vibrations. Numerical validation demonstrates that distorted scaling laws possess a good accuracy. Finally, the applicability of these new scaling laws is validated by the experimental data. The results indicate that, by using the new scaling laws, the simple models can predict vibration characteristics of blisk by employing similitude models.
Language英语
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/24246
Collection海洋信息技术装备中心
Corresponding AuthorLuo Z(罗忠)
Affiliation1.School of Mechanical Engineering and Automation, Northeastern University, Shenyang, PR China
2.Department of Ocean Engineering, Shenyang Institute of Automation Chinese Academy of Sciences, Shenyang, PR China
3.School of Mechanical Engineering, Dalian University of Technology, Dalian, PR China
4.Department of Automatic Control and System Engineering, University of Sheffield, Sheffield, UK
5.AVIC Shenyang Aero-engine Design Institute, Shenyang, PR China
Recommended Citation
GB/T 7714
Luo Z,Wang Y,Zhai, Jingyu,et al. Prediction of vibration characteristics of blisks using similitude models[J]. MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES,2019,47(2):121-135.
APA Luo Z,Wang Y,Zhai, Jingyu,Zhu YP,&Wang, Deyou.(2019).Prediction of vibration characteristics of blisks using similitude models.MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES,47(2),121-135.
MLA Luo Z,et al."Prediction of vibration characteristics of blisks using similitude models".MECHANICS BASED DESIGN OF STRUCTURES AND MACHINES 47.2(2019):121-135.
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