AERO-ENGINE

作品数：93被引量：317H指数：9
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相关领域：航空宇航科学技术更多>>
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相关机构：北京航空航天大学南京航空航天大学清华大学中国民用航空飞行学院更多>>
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Soot volume fraction measurements in aero-engine model combustor outlet using two-color laser-induced incandescence
《Chinese Journal of Aeronautics》2025年第3期249-261,共13页Linsen WANG Pengji DING Sijie YAN Jie LI Jingwei Zhang Chaozong WANG Zhibo CAO Quan ZHOU Jinhe MU Gang Meng Wenyan SONG Zhenyu XU Bo Yan Shuang CHEN 
supported by the National Key Research and Development Program of China(No.2020YFA0405700).
Quantitative measurement of Soot Volume Fraction (SVF) is an essential prerequisite for controlling soot particle emissions from aero-engine combustors. As an in-situ and non-intrusive optical diagnostic technique, La...
关键词：Aero-engine combustor Combustion diagnostics Soot Volume Fraction(SVF) Laser-Induced Incandescence(II) Inlet pressure Air preheat temperature 
Nonlinear stress analysis of aero-engine pipeline based on semi-analytical method
《Applied Mathematics and Mechanics(English Edition)》2025年第3期521-538,共18页Weijiao CHEN Xiaochi QU Ruixin ZHANG Xumin GUO Hui MA Bangchun WEN 
Project supported by the National Science and Technology Major Project(No.J2019-I-0008-0008);the National Natural Science Foundation of China(No.52305096);the Chinese Postdoctoral Science Foundation(No.GZB20230117)。
Fatigue failure caused by vibration is the most common type of pipeline failure.The core of this research is to obtain the nonlinear dynamic stress of a pipeline system accurately and efficiently,a topic that needs to...
关键词：pipeline modeling stress analysis nonlinear-clamp support nonlinear vibration 
Physically informed hierarchical learning based soft sensing for aero-engine health management unit
《Chinese Journal of Aeronautics》2025年第3期374-385,共12页Aina WANG Pan QIN Yunbo YUAN Guang ZHAO Ximing SUN 
supported in part by the National Science and Technology Major Project of China(No.2019-I-0019-0018);the National Natural Science Foundation of China(Nos.61890920,61890921,12302065 and 12172073).
Partial Differential Equations(PDEs)are model candidates of soft sensing for aero-engine health management units.The existing Physics-Informed Neural Networks(PINNs)have made achievements.However,unmeasurable aero-eng...
关键词：Hierarchical learning strategy Monitoring:Partial differen tial equations with unmeasurable driving terms Physically informed hierarchical learning followed by recurrent-prediction term Soft sensing 
High-temperature fatigue cracking mechanism and microstructure evolution of aero-engine K4169 superalloy in service process
《Transactions of Nonferrous Metals Society of China》2025年第2期499-510,共12页Song-jun WANG Jian-jun HE Zhi-hui GONG Wei-ping LI Jun-gang YANG Ya-jun SHAO Yu-hui CAI Yue-xin DU Cheng-wei YANG 
National Natural Science Foundation of China (No. 51975200);Hunan Provincial Innovation Foundation for Postgraduate,China (No. QL20220201)。
By using fatigue crack propagation testing and microstructural characterization,the crack fracture and propagation mechanisms of K4169 superalloy under various loads were investigated.The results demonstrate that the ...
关键词：K4169 superalloy high-temperature fatigue MICROSTRUCTURE crack propagation AERO-ENGINE 
Time analysis for aero-engine acoustic modes exploiting block sparsity
《Chinese Journal of Aeronautics》2024年第11期254-264,共11页Zepeng LI Baijie QIAO Bi WEN Yuanshi LIU Xuefeng CHEN Andreas JAKOBSSON 
supported by the National Natural Science Foundation of China(No.52075414);the China Postdoctoral Science Foundation(No.2021M702595);the China Scholarship Council。
Acoustic Mode Analysis(AMA)for aero-engines can offer valuable insights for the design of silent engines as well as for fault diagnosis.Commonly,this is done in the(spatial)Fourier domain,necessitating the use of mult...
关键词：Block sparsity Orthogonal matching pursuit Acoustic mode analysis Acoustic testing Sparse estimate 
A digital twin-enhanced collaborative maintenance paradigm for aero-engine fleet
《Frontiers of Engineering Management》2024年第2期356-361,共6页Jiawei REN Ying CHENG Yingfeng ZHANG Fei TAO 
sponsored by the National Natural Science Foundation of China(Grant Nos.52275471 and 52175448);Beijing Nova Program No.20220484015;the New Cornerstone Science Foundation through the XPLORERPRIZE.
Maintenance of aero-engine fleets is crucial for the efficiency,safety,and reliability of the aviation industry.With the increasing demand for air transportation,maintaining high-performing aero-engines has become sig...
关键词：aero-engine fleet collaborative maintenance Digital Twin(DT) complex system 
Comprehensive evaluations of heat transfer performance with conjugate heat dissipation effect in high-speed rotating free-disk modeling of aero-engines
《Fundamental Research》2024年第3期611-623,共13页Aqiang Lin Gaowen Liu Ran Chang Yan Chen Qing Feng 
supported by the National Science and Technology Major Project of China(2017-II-0011-0037);In addition,special thanks are addressed to the support of China Postdoctoral Science Foundation(2023M742834);Guangdong Basic and Applied Basic Research Foundation,China(2023A1515011597).
Thermal boundary conditions of the turbine disk cavity system are of great importance in the design of secondary air systems in aero-engines.This study aims to investigate the complex heat transfer mechanisms of a rot...
关键词：AERO-ENGINE Rotating turbine disk Dimensional analysis COMPRESSIBILITY Heat dissipation Dorfman empirical solution 
A versatile volume-based modeling technique of distributed local quadratic convergence for aeroengines
《Propulsion and Power Research》2024年第1期46-63,共18页Yudong Liu Min Chen Hailong Tang 
funded by the National Science and Technology Major Project (2017-I-0001-0001,and 2017-I-0005-0006).
For advanced aero-engine design and research,modeling and simulation in a digital environment is indispensable,especially for engines of complicated configurations,such as var-iable cycle engines(VCE)and adaptive cycl...
关键词：Aero-engine performance simulation Variable cycle engine Variable area bypass injector Digital twin Newton-Raphson method 
Inter-Shaft Bearing Fault Diagnosis Based on Aero-Engine System:A Benchmarking Dataset Study
《Journal of Dynamics, Monitoring and Diagnostics》2024年第1期59-59,共1页
This article corrects the following:Volume 2 Issue 4 Journal of Dynamics,Monitoring and Diagnostics Inter-shaft Bearing Fault Diagnosis Based on Aero-engine System:A Benchmarking Dataset Study Pages:228-242 First Publ...
关键词：ONLINE Engine PDF 
An Inter-Shaft Bearing Fault Diagnosis Dataset from an Aero-Engine System被引量：3
《Journal of Dynamics, Monitoring and Diagnostics》2023年第4期228-242,共15页Lei Hou Haiming Yi Yuhong Jin Min Gui Lianzheng Sui Jianwei Zhang Yushu Chen 
supports from the National Natural Science Foundation of China (Grant No.11972129);the Natural Science Foundation of Heilongjiang Province (Outstanding Youth Foundation,Grant No.YQ2022A008);the Fundamental Research Funds for the Central Universities.
In this paper,the aero-engine test with inter-shaft bearing fault is carried out,and a dataset is proposed for the first time based on the vibration signal of rotors and casings.First,a test rig based on a real aero-e...
关键词：aero-engine test DATASET fault diagnosis inter-shaft bearing 
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