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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: of high-speed rails in China， which focuses on train aerodynamics， vehicle-track-bridge-tunnel couplingaerodynamics， vehicle-wind-sand-rain-snow environmental aerodynamics， pantograph-catenary aerodynamicand body aerodynamics./sand/rain/snow coupling environment， vision inspection systems， experimental platform for full-scalevehicles， 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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Coupling analysis of passenger and train flows for a large-scale urban rail transit system

Frontiers of Engineering Management 2023, Volume 10, Issue 2,   Pages 250-261 doi: 10.1007/s42524-021-0180-2

Abstract: Coupling analysis of passenger and train flows is an important approach in evaluating and optimizingThis study proposes a passenger–train interaction simulation approach to determine the coupling relationshipbetween passenger and train flows.On the bases of time-varying origin–destination demand, train timetable, and network topology, the proposed(including but not limited to) various indicators discussed in this research to effectively support train

Keywords： urban rail transit     coupling analysis     passenger–train interaction     large-scale simulation    

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Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 78-98 doi: 10.1007/s11709-022-0936-8

Abstract: thermal and mechanical responses of building elements subject to uneven heating under the influence of windInstead of applying the concept of adiabatic surface temperature (AST) to achieve fluid–structure couplingproposes a new computational fluid dynamics–finite element method numerical simulation that combines wind

Keywords： CFD–FEM coupling     steel beam     wind     ceiling jet     numerical heat transfer    

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Analysis on running safety of train on the bridge considering sudden change of wind load caused by wind

Tian ZHANG, He XIA, Weiwei GUO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 558-567 doi: 10.1007/s11709-017-0455-1

Abstract: The calculation formulae for change of wind load acting on the car-body are derived when a train movesof the train is analyzed.bridge with 100 m long double-side 3.5 m barrier, the response and the running safety indices of the trainThe running safety indices of train vehicle with sectional wind barriers are worse than those with fullwind barriers, and the difference increases rapidly with wind velocity.

Keywords： wind barrier     sudden change of wind load     dynamic response     running safety     comfort    

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Aerodynamic impact of train-induced wind on a moving motor-van

Jiajun HE; Huoyue XIANG; Yongle LI; Bin HAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 909-927 doi: 10.1007/s11709-022-0833-1

Abstract: The newly-built single-level rail-cum-road bridge brings the issue of the aerodynamic impact of train-inducedwind on road automobiles.an aerodynamic impact mechanism was explored; a relationship between the transverse distance between train

Keywords： rail-cum-road bridge     aerodynamic impact     train-induced wind     CFD     aerodynamic force     quantitative analysis    

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Hierarchical parameter estimation of DFIG and drive train system in a wind turbine generator

Xueping PAN, Ping JU, Feng WU, Yuqing JIN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 367-376 doi: 10.1007/s11465-017-0429-y

Abstract: >A new hierarchical parameter estimation method for doubly fed induction generator (DFIG) and drive trainsystem in a wind turbine generator (WTG) is proposed in this paper.Firstly, the parameters of the DFIG and the drive train are estimated locally under different types ofcoordination estimation method is further applied to identify the parameters of the DFIG and the drive train

Keywords： wind turbine generator     DFIG     drive train system     hierarchical parameter estimation method     trajectory sensitivity    

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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, wherethe mean wind and aeroelastic loads are applied simultaneously in time domain.loads, which leads to incorrect mean wind structural responses.It is shown that, in cases of low wind speeds, the IF-denoted model reflects correctly the mean windinvestigated at both moderate and high wind speeds.

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

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Effects of elastic support on the dynamic behaviors of the wind turbine drive train

Shuaishuai WANG, Caichao ZHU, Chaosheng SONG, Huali HAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 348-356 doi: 10.1007/s11465-017-0420-7

Abstract:

The reliability and service life of wind turbines are influenced by the complex loading applied onthe hub, especially amidst a poor external wind environment.turbine drive train.turbine drive train.turbine drive train.

Keywords： wind turbine drive train     elastic support     dynamic behavior     frequency response function    

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Dynamic response of a long span suspension bridge and running safety of a train under wind action

GUO Weiwei, XIA He, XU You-lin

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 71-79 doi: 10.1007/s11709-007-0007-1

Abstract: A dynamic analysis model of a wind-train-bridge system is established.The dynamic responses of the bridge and the train under wind action are analyzed.the vertical by the gravity loading of the moving train.The running safeties of the train vehicles are much affected by wind.Under wind conditions of 30 40 m/s, the offload factors, derail factors and overturn factors of the train

Keywords： rotational     offload     vertical     m/s     attention    

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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: Wind-lens turbines (WLTs) exhibit the prospect of a higher output power and more suitability for urbanareas in comparison to bare wind turbines.The wind-lens typically comprises a diffuser shroud coupled with a flange appended to the exit peripheryWind-lenses can boost the velocity of the incoming wind through the turbine rotor owing to the creationin 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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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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A prototype online database-enabled design framework for wind analysis/design of low-rise buildings

Dae Kun KWON,Ahsan KAREEM,Deepak KUMAR,Yukio TAMURA

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 121-130 doi: 10.1007/s11709-015-0329-3

Abstract: cyberbased database-enabled design module for low-rise buildings (DEDM-LR) which provides estimation of the wind-inducedresponses for main wind force resisting frames by making direct use of pressure time histories measured

Keywords： wind loads     low-rise building     pressure measurement     aerodynamics     building design     structural response     building    

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A novel structural modification to eliminate the early coupling between bending and torsional mode shapes

Nazim Abdul NARIMAN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 131-142 doi: 10.1007/s11709-016-0376-4

Abstract: In this paper, a novel structural modification approach has been adopted to eliminate the early couplingNumerical simulations of wind excitations are conducted for the 3D model of the cable stayed bridge withduration of 30 s supporting on real data of a strong wind from the literature.beams declared a safer structure against vertical and torsional vibrations and rarely expected flutter windFurthermore, the coupling between the vertical and torsional mode shapes has been removed to larger natural

Keywords： aeroelastic instability     structural damping     flutter wind speed     bending stiffness     torsional stiffness    

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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 girderThe 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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Multiple fault separation and detection by joint subspace learning for the health assessment of wind

Zhaohui DU, Xuefeng CHEN, Han ZHANG, Yanyang ZI, Ruqiang YAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 333-347 doi: 10.1007/s11465-017-0435-0

Abstract:

The gearbox of a wind turbine (WT) has dominant failure rates and highest downtime loss among all

Keywords： joint subspace learning     multiple fault diagnosis     sparse decomposition theory     coupling feature separation     wind turbine gearbox    

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Title Author Date Type Operation

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

Tian Hongqi

Journal Article

Coupling analysis of passenger and train flows for a large-scale urban rail transit system

Journal Article

Simulation of steel beam under ceiling jet based on a wind–fire–structure coupling model

Journal Article

Analysis on running safety of train on the bridge considering sudden change of wind load caused by wind

Tian ZHANG, He XIA, Weiwei GUO

Journal Article

Aerodynamic impact of train-induced wind on a moving motor-van

Jiajun HE; Huoyue XIANG; Yongle LI; Bin HAN

Journal Article

Hierarchical parameter estimation of DFIG and drive train system in a wind turbine generator

Xueping PAN, Ping JU, Feng WU, Yuqing JIN

Journal Article

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

Zhitian ZHANG

Journal Article

Effects of elastic support on the dynamic behaviors of the wind turbine drive train

Shuaishuai WANG, Caichao ZHU, Chaosheng SONG, Huali HAN

Journal Article

Dynamic response of a long span suspension bridge and running safety of a train under wind action

GUO Weiwei, XIA He, XU You-lin

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

The development of aerodynamics & configurationtechnology for large aircraft

Zhang Yanzhong

Journal Article

A prototype online database-enabled design framework for wind analysis/design of low-rise buildings

Dae Kun KWON,Ahsan KAREEM,Deepak KUMAR,Yukio TAMURA

Journal Article

A novel structural modification to eliminate the early coupling between bending and torsional mode shapes

Nazim Abdul NARIMAN

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

Multiple fault separation and detection by joint subspace learning for the health assessment of wind

Zhaohui DU, Xuefeng CHEN, Han ZHANG, Yanyang ZI, Ruqiang YAN

Journal Article