ROTOR_SYSTEM

作品数：73被引量：163H指数：6
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Aerodynamic efficiency enhancement effect of the energy capture technique on a flyable flapping wing rotor system
《Science China(Technological Sciences)》2024年第12期3843-3854,共12页CHEN Si DENG ZhiQiang XIANG JiaWei LI ZhengDa TONG MingBo XIE Ye HU Jie YUAN LiHua YU ZiJian 
supported by the Natural Science Foundation of Zhejiang Province(Grant No.LQ22A020006);the National Natural Science Foundation of China(Grant No.52105285);the Aeronautical Science Foundation Program(Grant No.ASFC-20230023052001);China Postdoctoral Science Foundation(Grant No.2024M754237);Science and Technology Project of Jiangxi Education Department(Grant No.GJJ200452);Basic Public Welfare Research Program of Wenzhou(Grant No.G2023046)。
To date,no experimental study has been done on eliminating the energy consumption of the flapping wing rotor(FWR;caused by inertial force)based on an energy capture mechanism(such as a spring).Also,the effect of the v...
关键词：flapping wing rotor energy capture spring main frequency lift efficiency 
Dynamic Analysis of Geared Rotor System with Hybrid Uncertainties
《Chinese Journal of Mechanical Engineering》2024年第5期248-257,共10页Wei Feng Luji Wu Yanxu Liu Baoguo Liu Zongyao Liu Kun Zhang 
Supported by National Natural Science Foundation of China(Grant Nos.12072106,52005156);National Key Research and Development Program of China(Grant No.2020YFB2008101);Foundation of Henan Key Laboratory of Superhard Abrasives and Grinding Equipment,Henan University of Technology of China(Grant No.JDKFJJ2022002).
Current research on the dynamics and vibrations of geared rotor systems primarily focuses on deterministic models.However,uncertainties inevitably exist in the gear system,which cause uncertainties in system parameter...
关键词：Geared rotor system Dynamic response Hybrid uncertainty Nonparametric modeling 
Transient state analysis of a rub-impact rotor system during maneuvering flight
《Chinese Journal of Aeronautics》2024年第7期236-251,共16页Jun WANG Yunfei LIU Zhaoye QIN Liang MA Fulei CHU 
supported by the National Natural Science Foundation of China(No.12202229);the Science Center for Gas Turbine Project,China(No.P2022-B-III-002-001);the Scientific Research Projects of Tianjin Education Commission,China(Nos.2020KJ018,2020KJ060).
Maneuvering flight substantially affects the dynamic behavior of rotors;particularly,such flight may cause rubbing between a rotor and stator,which is one of the most serious damages in aircraft engines.In this paper,...
关键词：Maneuvering flight Rub impact Rotor system Dynamic response Impact response 
Identification of the Asymmetric Transmission Error and Gear Mesh Dynamic Parameters using Full-Spectrum Responses in a Geared-Rotor System
《Journal of Dynamics, Monitoring and Diagnostics》2024年第2期112-142,共31页Bhyri Rajeswara Rao Rajiv Tiwari 
A dominant source of vibration in geared-rotor systems is the gear mesh fault parameters.They include the asymmetric transmission error(TE),phases of TE,the gear mesh stiffness,the gear mesh damping,and the gear runou...
关键词：Full-spectrum Geared-rotor system IDENTIFICATION Multiple faults Runouts Transmission error 
Controlled fluorescent switch based on a cation grease/brake rotor system of pillar[5]arene
《Chinese Chemical Letters》2024年第3期5-7,共3页Wei-Lei Zhou Siwei Wang Yong Chen 
In recent years,molecular shuttles,motors,pumps,and elevators,etc.could specifically respond external physical or chemical stimuli including light,temperature,pH,redox,solvent and chemical additive to change the struc...
关键词：additive system showing 
Symmetric Reduction and Hamilton-Jacobi Equations of the Controlled Underwater Vehicle-Rotor System
《Communications in Mathematical Research》2023年第4期575-644,共70页Hong Wang 
.As an application of the theoretical results,in this paper,we study the symmetric reduction and Hamilton-Jacobi theory for the underwater ve-hicle with two internal rotors as a regular point reducible RCH system,in t...
关键词：Underwater vehicle with internal rotors regular controlled Hamiltonian system coincident and non-coincident centers regular point reduction Hamilton-Jacobi equation 
Using Digital Twin to Diagnose Faults in Braiding Machinery Based on IoT
《Intelligent Automation & Soft Computing》2023年第8期1363-1379,共17页Youping Lin Huangbin Lin Dezhi Wei 
supported by the Fujian Province Natural Science Foundation (Grant No.2019J01711);Fujian ProvinceMiddle-aged Teachers Project (Grant No.JAT210670);Fujian Province Educational Reform Project (Grant No.FBJG2020316).
The digital twin(DT)includes real-time data analytics based on the actual product or manufacturing processing parameters.Data from digital twins can predict asset maintenance requirements ahead of time.This saves mone...
关键词：Braiding machinery IOT digital twin defect detection rotor system 
Crack Fault Diagnosis and Location Method for a Dual-Disk Hollow Shaft Rotor System Based on the Radial Basis Function Network and Pattern Recognition Neural Network被引量：2
《Chinese Journal of Mechanical Engineering》2023年第2期180-197,共18页Yuhong Jin Lei Hou Zhenyong Lu Yushu Chen 
Supported by National Natural Science Foundation of China (Grant No.11972129);National Science and Technology Major Project of China (Grant No.2017-IV-0008-0045);Heilongjiang Provincial Natural Science Foundation (Grant No.YQ2022A008);the Fundamental Research Funds for the Central Universities。
The crack fault is one of the most common faults in the rotor system,and researchers have paid close attention to its fault diagnosis.However,most studies focus on discussing the dynamic response characteristics cause...
关键词：Hollow shaft rotor Breathing crack Radial basis function network Pattern recognition neural network Machine learning 
Dynamic stiffness characteristics of aero-engine elastic support structure and its effects on rotor systems:mechanism and numerical and experimental studies被引量：5
《Applied Mathematics and Mechanics(English Edition)》2023年第2期221-236,共16页Lei LI Zhong LUO Kaining LIU Jilai ZHOU 
the National Natural Science Foundation of China(Nos.11872148 and U1908217);the Fundamental Research Funds for the Central Universities of China(Nos.N2224001-4 and N2003013);the Basic and Applied Basic Research Foundation of Guangdong Province of China(No.2020B1515120015)。
The support structure of a rotor system is subject to vibration excitation,which results in the stiffness of the support structure varying with the excitation frequency(i.e.,the dynamic stiffness).However,the dynamic ...
关键词：dynamic stiffness squirrel cage rotor system dynamic characteristic critical speed 
Nonlinear characteristic investigation of magnetorheological damper-rotor system with local nonlinearity被引量：3
《Chinese Journal of Aeronautics》2023年第2期111-126,共16页Jun WANG Yunfei LIU Zhaoye QIN Liang MA Fulei CHU 
supports from National Natural Science Foundation of China(No.11972204);Natural Science Foundation of Tianjin,China(No.19JCQNJC02500)。
Magnetorheological(MR)dampers show superior performance in reducing rotor vibration,but their high nonlinearity will cause nonsynchronous response,resulting in fatigue and instability of rotors.Herein,we are devoted t...
关键词：Hybrid numerical method Local nonlinearity Magnetorheological damper Nonlinear vibration Rotor system 
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