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Development of research on aerodynamics of high-speed rails in China

Tian Hongqi

Strategic Study of CAE 2015, Volume 17, Issue 4,   Pages 30-29

Abstract: on aerodynamics of high-speed rails in China， which focuses on train aerodynamics， vehicle-track-bridge-tunnelcoupling aerodynamics， vehicle-wind-sand-rain-snow environmental aerodynamics， pantograph-catenary aerodynamicof high-speed railways and safety of operation， and realizing their engineering application.The paper introduces a series of experimental platforms for testing aerodynamics of high-speed rails， private/public wind tunnel and high-availability clusters for numerical simulation.

Keywords： rail aerodynamics； high-speed rails； experimental platforms； research development； train aerodynamics； train/tunnel coupling aerodynamics； train/wind coupling aerodynamics； pantograph-catenary aerodynamics； human aerodynamics    

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The key technology of testing and commissioning of high-speed railway and the main testing achievements

Kang Xiong and Yao Jianwei

Strategic Study of CAE 2015, Volume 17, Issue 4,   Pages 21-29

Abstract:

The connotation and necessity of testing and commissioning of high-speed railway is explained andrailway are analyzed from the perspective of wheel/rail interaction， pantograph and ocs relation， aerodynamicsof high-speed railway and train-track-bridge coupling.Then the main achievements of testing and commissioning of high-speed railway in China are concluded，and some useful suggestions are given about high-speed railway construction and operation.

Keywords： high-speed railway； system test； testing and commissioning； wheel/rail interaction； pantograph and ocsrelation； train-track-bridge； aerodynamics of high-speed railway    

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The development of aerodynamics & configurationtechnology for large aircraft

Zhang Yanzhong

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 4-17

Abstract:

The paper introduced the development of aerodynamics & configurationtechnology for large aircraft.The technique of fuselage and the advanced aerodynamics configurationThe impact of aerodynamics & configuration technology on safety, economical, comfortable and environmentalcharacters for large aircraft was analyzed.The proposal for enhancing the research of aerodynamics in

Keywords： large aircraft     aerodynamics     super critical foil     winglet     laminar flow technique     BWB     CFD     wind tunnel    

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Machine learning for fault diagnosis of high-speed train traction systems: A review

Frontiers of Engineering Management doi: 10.1007/s42524-023-0256-2

Abstract: High-speed trains (HSTs) have the advantages of comfort, efficiency, and convenience and have graduallycore component of HST, the reliability of the traction system has a substantially influence on the traindegrees of performance degradation and cause various failures, thus threatening the running safety of the trainThis paper primarily aims to review the research and application of machine learning in the field oftraction system fault diagnosis and assumes the future development blueprint.

Keywords： high-speed train     traction systems     machine learning     fault diagnosis    

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Development progress of China’s 600 km/h high-speed magnetic levitation train

Frontiers of Engineering Management 2022, Volume 9, Issue 3,   Pages 509-515 doi: 10.1007/s42524-022-0199-z

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Keywords： 600 km/h high-speed magnetic levitation train     development history     technological innovation    

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Improvement of aerodynamic stability of suspension bridges with H-shaped simplified stiffening girder

Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO,Yoko OKAZAKI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 93-102 doi: 10.1007/s11709-015-0311-0

Abstract: Wind-tunnel study on the improvement of aerodynamic stability of simplified suspension-bridge girderObjective of the study is the development of an economically superior suspension bridge with 500–1,000The wind-tunnel test showed that an edge-girder type cross section exhibited large amplitude torsionalvortex-induced vibration as well as torsional flutter at a low wind speed.

Keywords： suspension bridge     aerodynamics     simplified girder     wind-tunnel test    

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High-speed train bogie technology research of coupled systems in high-speed trains

Zhao Minghua,Liang Shulin and Song Chunyuan

Strategic Study of CAE 2015, Volume 17, Issue 4,   Pages 53-62

Abstract:

High-speed railway propose higher requirements on the bogie technology，in order to design a superdifferent climatic conditions，different line conditions on the ballastless track of China，setup China high-speedtrain load spectrum.the structure design，suspension，transmission，brake，wheel rail noise，structure welding and so on，the high-speedtrain bogie technology system was founded.

Keywords： high-speed train；wheel/rail relationship；system dyanmics；load spectrum；structural optimization    

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Innovative design technology for the new generation of high-speed EMU

Liang Jianying,Ding Sansan,Tian Aiqin and Zhao Hongwei

Strategic Study of CAE 2015, Volume 17, Issue 4,   Pages 63-68

Abstract: This article comprehensively summarize the optimization of process innovation of the new generation of high-speedThe simulation and experiment result shows that the new generation of high-speed EMU is with enough strength， stiffness， structure stability， excellent features of vibration and fatigue，great performance aerodynamics

Keywords： high-speed EMU；lightweight；strength；vibration mode；aerodynamics    

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Omnidirectional Antenna Diversity System for High-Speed Onboard Communication Article

Yongjian Zhang, Yue Li, Weiquan Zhang, Zhijun Zhang, Zhenghe Feng

Engineering 2022, Volume 11, Issue 4,   Pages 72-79 doi: 10.1016/j.eng.2020.10.014

Abstract: dual-polarized antenna with synergetic electromagnetic and aerodynamic properties is propounded for high-speedThe propounded antenna is fabricated for design verification, and the experimental results agree welldiversity antenna has electromagnetic and aerodynamic merits, and exhibits an excellent potential for high-speed

Keywords： Antenna diversity system     Aerodynamics     Electromagnetics     Omnidirectional radiation     High-speed onboard    

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Characterization of aerodynamic performance of wind-lens turbine using high-fidelity CFD simulations

Islam HASHEM, Aida A. HAFIZ, Mohamed H. MOHAMED

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 661-682 doi: 10.1007/s11708-020-0713-0

Abstract: areas in comparison to bare wind turbines.Wind-lenses can boost the velocity of the incoming wind through the turbine rotor owing to the creationIn this paper, the aerodynamic performance of the wind-lens is computationally assessed using high-fidelityFurthermore, comparisons with experimental data for validation are accomplished to prove that the proposedin power coefficient compared to bare wind turbine of the same rotor swept-area.

Keywords： shroud     diffuser-augmented wind turbine (DAWT)     Betz limit     aerodynamics     computational fluid dynamics (CFD    

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Study on dynamics of coupled systems in high-speed trains

Zhang Weihua

Strategic Study of CAE 2015, Volume 17, Issue 4,   Pages 42-52

Abstract:

According to the structure and technical features of high-speed railway， the high-speed train， railline， air flow， power supply and catenary which are relevant to the high-speed train and have an effecton the dynamic behavior of the high-speed train are coupled as a unified system.of high-speed train， rail line， pantograph-catenary and power supply and the coupled interaction modelsof wheel-rail， pantograph-catenary， liquid-solid and electro-mechanical.

Keywords： high-speed train； service performance； train detection； tracking test； performance evolution    

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Mean wind load induced incompatibility in nonlinear aeroelastic simulations of bridge spans

Zhitian ZHANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 605-617 doi: 10.1007/s11709-018-0499-x

Abstract: Mean wind response induced incompatibility and nonlinearity in bridge aerodynamics is discussed, whereIt is shown that, in cases of low wind speeds, the IF-denoted model reflects correctly the mean windAt very high wind speeds, however, even the IF-denoted model can lead to significant deviation from theTo solve the incompatibility at high wind speeds, a methodology of subtraction of pseudo-steady effectsinvestigated at both moderate and high wind speeds.

Keywords： bridge     aerodynamics     nonlinear     aeroelastic model     Pseudo-steady     mean wind loads    

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Research on key technology of high- speed train energy consumption

Sun Bangcheng,Li Minggao,An Chao,Ma Jijun and Yu Jinpeng

Strategic Study of CAE 2015, Volume 17, Issue 4,   Pages 69-82

Abstract:

With the rapid development of high-speed railway，a large number of high-speed train operation bringsinfluence factors，further expounded the key technology of high-speed train energy consumption.The application of these technologies will strongly promote the development of high-speed trains andcontinue to improve high-speed train’s high energy efficiency level.[Key words] high-speed train；saving energy and reducing consumption；high energy efficiency

Keywords： high-speed train；saving energy and reducing consumption；high energy efficiency    

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China Needs High-speed Magnetically Levitated Train

Yan Luguang

Strategic Study of CAE 2000, Volume 2, Issue 5,   Pages 8-13

Abstract:

The development, main features and advantages of the high-speed magnetically levitated train are shortlyIt is particularly suitable for the development of the future high-speed passenger transportation networkSome suggestions to develop high-speed magnetically levitated train technology in China are presented

Keywords： magnetically levitated train     high-speed passenger transportation     communications and transportation    

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Corrigendum to “High-Speed Railway Train Timetable Conflict Prediction Based on Fuzzy Temporal

He Zhuang, Liping Feng, Chao Wen, Qiyuan Peng, Qizhi Tang

Engineering 2017, Volume 3, Issue 1,   Pages 150-150 doi: 10.1016/J.ENG.2017.01.002

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Title Author Date Type Operation

Development of research on aerodynamics of high-speed rails in China

Tian Hongqi

Journal Article

The key technology of testing and commissioning of high-speed railway and the main testing achievements

Kang Xiong and Yao Jianwei

Journal Article

The development of aerodynamics & configurationtechnology for large aircraft

Zhang Yanzhong

Journal Article

Machine learning for fault diagnosis of high-speed train traction systems: A review

Journal Article

Development progress of China’s 600 km/h high-speed magnetic levitation train

Journal Article

Improvement of aerodynamic stability of suspension bridges with H-shaped simplified stiffening girder

Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO,Yoko OKAZAKI

Journal Article

High-speed train bogie technology research of coupled systems in high-speed trains

Zhao Minghua,Liang Shulin and Song Chunyuan

Journal Article

Innovative design technology for the new generation of high-speed EMU

Liang Jianying,Ding Sansan,Tian Aiqin and Zhao Hongwei

Journal Article

Omnidirectional Antenna Diversity System for High-Speed Onboard Communication

Yongjian Zhang, Yue Li, Weiquan Zhang, Zhijun Zhang, Zhenghe Feng

Journal Article

Characterization of aerodynamic performance of wind-lens turbine using high-fidelity CFD simulations

Islam HASHEM, Aida A. HAFIZ, Mohamed H. MOHAMED

Journal Article

Study on dynamics of coupled systems in high-speed trains

Zhang Weihua

Journal Article

Mean wind load induced incompatibility in nonlinear aeroelastic simulations of bridge spans

Zhitian ZHANG

Journal Article

Research on key technology of high- speed train energy consumption

Sun Bangcheng,Li Minggao,An Chao,Ma Jijun and Yu Jinpeng

Journal Article

China Needs High-speed Magnetically Levitated Train

Yan Luguang

Journal Article

Corrigendum to “High-Speed Railway Train Timetable Conflict Prediction Based on Fuzzy Temporal

He Zhuang, Liping Feng, Chao Wen, Qiyuan Peng, Qizhi Tang

Journal Article