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An improved dynamic load-strength interference model for the reliability analysis of aero-engine rotor blade system
Zhao, Bingfeng1,2; Xie, Liyang1,2; Zhang, Yu3; Ren, Jungang1; Bai, Xin4; Qin, Bo1
Corresponding AuthorXie, Liyang(lyxie@mail.neu.edu.cn) ; Zhang, Yu(yu.zhang@sjzu.edu.cn)
2020-12-06
Source PublicationPROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING
ISSN0954-4100
Pages19
AbstractAs the power source of an aircraft, aero-engine tends to meet many rigorous requirements for high thrust-weight ratio and reliability with the continuous improvement of aero-engine performance. In this paper, based on the order statistics and stochastic process theory, an improved dynamic load-strength interference (LSI) model was proposed for the reliability analysis of aero-engine rotor blade system, with strength degradation and catastrophic failure involved. In presented model, the "unconventional active" characteristic of rotor blade system, changeable functioning relationships and system-component configurations, was fully considered, which is necessary for both theoretical analysis and engineering application. In addition, to reduce the computation cost, a simplified form of the improved LSI model was also built for convenience of engineering application. To verify the effectiveness of the improved model, reliability of turbojet 7 engine rotor blade system was calculated by the improved LSI model based on the results of static finite element analysis. Compared with the traditional LSI model, the result showed that there were significant differences between the calculation results of the two models, in which the improved model was more appropriate to the practical condition.
KeywordAero-engine rotor blade load-strength interference reliability analysis strength degradation
Funding OrganizationNational Natural Science Foundation of China
DOI10.1177/0954410020972898
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[52005087] ; National Natural Science Foundation of China[U1708255] ; National Natural Science Foundation of China[51775355]
WOS Research AreaEngineering
WOS SubjectEngineering, Aerospace ; Engineering, Mechanical
WOS IDWOS:000682556700001
PublisherSAGE PUBLICATIONS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159512
Collection中国科学院金属研究所
Corresponding AuthorXie, Liyang; Zhang, Yu
Affiliation1.Northeastern Univ, Sch Mech Engn & Automat, Shenyang, Peoples R China
2.Minist Educ, Key Lab Vibrat & Control Aeroprop Syst, Shenyang, Peoples R China
3.Shenyang Jianzhu Univ, Sch Mech Engn, Shenyang, Peoples R China
4.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Bingfeng,Xie, Liyang,Zhang, Yu,et al. An improved dynamic load-strength interference model for the reliability analysis of aero-engine rotor blade system[J]. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING,2020:19.
APA Zhao, Bingfeng,Xie, Liyang,Zhang, Yu,Ren, Jungang,Bai, Xin,&Qin, Bo.(2020).An improved dynamic load-strength interference model for the reliability analysis of aero-engine rotor blade system.PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING,19.
MLA Zhao, Bingfeng,et al."An improved dynamic load-strength interference model for the reliability analysis of aero-engine rotor blade system".PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING (2020):19.
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