Wind tunnel test and numerical simulation for vortex-induced vibration of EMUs using scaled model

QIN Ting; YAO Yuan; SONG Ya-dong; FAN Chen-guang

doi:10.19818/j.cnki.1671-1637.2025.02.022

Volume 25 Issue 2

Apr. 2025

Turn off MathJax

Article Contents

Article Navigation > Journal of Traffic and Transportation Engineering > 2025 > 25(2): 340-350

Next Previous

QIN Ting, YAO Yuan, SONG Ya-dong, FAN Chen-guang. Wind tunnel test and numerical simulation for vortex-induced vibration of EMUs using scaled model[J]. Journal of Traffic and Transportation Engineering, 2025, 25(2): 340-350. doi: 10.19818/j.cnki.1671-1637.2025.02.022

Citation:

QIN Ting, YAO Yuan, SONG Ya-dong, FAN Chen-guang. Wind tunnel test and numerical simulation for vortex-induced vibration of EMUs using scaled model[J]. Journal of Traffic and Transportation Engineering, 2025, 25(2): 340-350. doi: 10.19818/j.cnki.1671-1637.2025.02.022

Citation:

PDF( 16458 KB)

Wind tunnel test and numerical simulation for vortex-induced vibration of EMUs using scaled model

doi: 10.19818/j.cnki.1671-1637.2025.02.022

1.
State Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
2.
School of Mechanics and Aerospace Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China

Funds:

National Natural Science Foundation of China 52372403

National Natural Science Foundation of China U2268211

Natural Science Foundation of Sichuan Province 2022NSFSC0034

Science and Technology Research and Development Program of China Railway Group Co., Ltd. N2023J071

More Information

Corresponding author: YAO Yuan (1983-), male, research fellow, PhD, yyuan8848@163.com
Received Date: 2024-03-20
Publish Date: 2025-04-28

Abstract

Abstract

In view of the sustained swaying of the train tail of the CR200J power-centralized electric multiple unit (EMU) in a single-track tunnel, a 1∶25 scaled train model for the CR200J EMU was constructed to explore the generation mechanism and aerodynamic characteristics of train tail swaying. The lateral vibration of a single-degree-of-freedom carbody was measured by a wind tunnel test. A fluid-structure coupling numerical simulation platform for a wind tunnel model was established by the large eddy simulation (LES) method, and the simulation results were verified by the wind tunnel test. Under the conditions with and without the fluid-structure coupling vibration, the wake vortex structure and aerodynamic response were analyzed. Research results show that the lateral aerodynamic force frequency (vortex-induced frequency) is linearly related to the wind speed when the carbody is assumed to be fixed and the fluid-structure coupling vibration is not considered. Meanwhile, the size of the lateral aerodynamic force is related to the aerodynamic shape of the carbody and the wind speed. When the fluid-structure coupling vibration is considered, the lateral vibration amplitude is positively correlated with the wind speed. The lateral aerodynamic force frequency is locked to the lateral natural vibration frequency of the carbody due to the frequency locking effect of vortex-induced vibration. In this case, the carbody is subject to the vortex-induced resonance, and the lateral vibration is aggravated. Additionally, in contrast to the conditions of non-fluid-structure coupling simulation, the lateral vibration of the carbody results in a backward displacement of the high vorticity region and the separation point of the boundary layer and causes them to be closer to the nose tip. This causes an increase in the force arm of the lateral force generated by the vortex shedding, which further amplifies the yaw moment of the carbody and aggravates the vibration. The fluid-structure coupling can change the size and frequency of the aerodynamic load and further affect the dynamic response of the carbody. Therefore, the fluid-structure coupling vibration method combining train dynamics and aerodynamics is necessary for the analysis of the train tail swaying.
- power-centralized EMU,
- lateral swaying,
- fluid-structure coupling vibration,
- vortex-induced vibration,
- wake vortex structure,
- wind tunnel test

FullText(HTML)

References(37)

References

[1]	SONG Y D, QIN T, YAO Y, et al. Investigation on aerodynamic fluid-structure coupling vibration of 160 km/h EMU tail in single-track tunnels[J]. International Journal of Structural Stability and Dynamics, 2024, 24(18): 2450197. doi: 10.1142/S0219455424501979
[2]	BAKER C. The flow around high speed trains[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2010, 98(6/7): 277-298.
[3]	HEMIDA H, BAKER C, GAO G J. The calculation of train slipstreams using large-eddy simulation[J]. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 2014, 228(1): 25-36. doi: 10.1177/0954409712460982
[4]	BELL J R, BURTON D, THOMPSON M C, et al. Moving model analysis of the slipstream and wake of a high-speed train[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2015, 136: 127-137. doi: 10.1016/j.jweia.2014.09.007
[5]	BELL J R, BURTON D, THOMPSON M C, et al. Dynamics of trailing vortices in the wake of a generic high-speed train[J]. Journal of Fluids and Structures, 2016, 65: 238-256. doi: 10.1016/j.jfluidstructs.2016.06.003
[6]	BELL J R, BURTON D, THOMPSON M C, et al. Flow topology and unsteady features of the wake of a generic high-speed train[J]. Journal of Fluids and Structures, 2016, 61: 168-183. doi: 10.1016/j.jfluidstructs.2015.11.009
[7]	BELL J R, BURTON D, THOMPSON M C, et al. The effect of tail geometry on the slipstream and unsteady wake structure of high-speed trains[J]. Experimental Thermal and Fluid Science, 2017, 83: 215-230. doi: 10.1016/j.expthermflusci.2017.01.014
[8]	CHIU T W, SQUIRE L C. An experimental study of the flow over a train in a crosswind at large yaw angles up to 90°[J]. Journal of Wind Engineering and Industrial Aerodynamics, 1992, 45(1): 47-74. doi: 10.1016/0167-6105(92)90005-U
[9]	WEISE M, SCHOBER M, ORELLANO A. Slipstream velocities induced by trains[C]//WSEAS. Proceedings of the 4th WSEAS International Conference on Fluid Mechanics and Aerodynamics. Agios Nikolaos: WSEAS, 2006: 26-28.
[10]	PAN Yong-chen, YAO Jian-wei, LIU Tao, et al. Discussion on the wake vortex structure of a high speed train by vortex identification methods[J]. Chinese Journal of Theoretical and Applied Mechanics, 2018, 50(3): 667-676.
[11]	YAO Shuan-bao, GUO Di-long, YANG Guo-wei. Aerodynamic optimization of high-speed train based on RBF mesh deformation[J]. Chinese Journal of Theoretical and Applied Mechanics, 2013, 45(6): 982-986.
[12]	YAO Shuan-bao, GUO Di-long, YANG Guo-wei, et al. Distribution of high-speed train aerodynamic drag[J]. Journal of the China Railway Society, 2012, 34(7): 18-23.
[13]	TIAN Hong-qi. Development of research on aerodynamics of high-speed rails in China[J]. Strategic Study of CAE, 2015, 17(4): 30-41.
[14]	HEMIDA H, KRAJNOVIĆ S. LES study of the influence of the nose shape and yaw angles on flow structures around trains[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2010, 98(1): 34-46. doi: 10.1016/j.jweia.2009.08.012
[15]	FUJIMOTO H, MIYAMOTO M. Lateral vibration and its decreasing measure of a shinkansen train (decrease of train vibration with yaw damper between cars)[J]. Vehicle System Dynamics, 1996, 25(S1): 188-199.
[16]	DIEDRICHS B, BERG M, STICHEL S, et al. Vehicle dynamics of a high-speed passenger car due to aerodynamics inside tunnels[J]. Proceedings of the Institution of Mechanical Engineers Part F: Journal of Rail and Rapid Transit, 2007, 221(4): 527-545. doi: 10.1243/09544097JRRT125
[17]	DIEDRICHS B, KRAJNOVIĆ S, BERG M. On the aerodynamics of car body vibrations of high-speed trains cruising inside tunnels[J]. Engineering Applications of Computational Fluid Mechanics, 2008, 2(1): 51-75. doi: 10.1080/19942060.2008.11015211
[18]	HEMIDA H, KRAJNOVIĆ S. Exploring flow structures around a simplified ICE2 train subjected to A 30° side wind using LES[J]. Engineering Applications of Computational Fluid Mechanics, 2009, 3(1): 28-41. doi: 10.1080/19942060.2009.11015252
[19]	HEMIDA H. Large-eddy simulation of the flow around simplified high-speed trains under side wind conditions[D]. Goteborg: Chalmers University of Technology, 2006.
[20]	HEMIDA H, BAKER C. Large-eddy simulation of the flow around a freight wagon subjected to a crosswind[J]. Computers and Fluids, 2010, 39(10): 1944-1956. doi: 10.1016/j.compfluid.2010.06.026
[21]	MA Jing, ZHANG Jie, YANG Zhi-gang. Study on the unsteady aerodynamic characteristics of a high-speed train under cross wind[J]. Journal of the China Railway Society, 2008, 30(6): 109-114.
[22]	YANG Zhi-gang, MA Jing, CHEN Yu, et al. The unsteady aerodynamic characteristics of a high-speed train in different operating conditions under cross wind[J]. Journal of the China Railway Society, 2010, 32(2): 18-23.
[23]	BAO Long. A preliminary large eddy simulation research on the external flow of high-speed train inside tunnel[D]. Lanzhou: Lanzhou Jiaotong University, 2013.
[24]	KHAYRULLINA A, BLOCKEN B, JANSSEN W, et al. CFD simulation of train aerodynamics: train-induced wind conditions at an underground railroad passenger platform[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2015, 139: 100-110.
[25]	LI Tian. Approaches and dynamic performances of high-speed train fluid-structure[D]. Chengdu: Southwest Jiaotong University, 2012.
[26]	YAO Yuan, XU Zhen-fei, SONG Ya-dong, et al. Mechanism of train tail lateral sway of EMUs in tunnel based on vortex-induced vibration[J]. Journal of Traffic and Transportation Engineering, 2021, 21(5): 114-124. doi: 10.19818/j.cnki.1671-1637.2021.05.010
[27]	CUI Tao, ZHANG Wei-hua, SUN Bang-cheng. Research method and application of fluid-solid coupling vibration for high-speed train[J]. Journal of the China Railway Society, 2013, 35(4): 16-22.
[28]	JI Z L, LIU W, GUO D L, et al. Analysis of the fluid- structure coupling characteristics of a high-speed train passing through a tunnel[J]. International Journal of Structural Stability and Dynamics, 2022, 22(16): 2250185.
[29]	CHEN G, LI X B, LIU Z, et al. Dynamic analysis of the effect of nose length on train aerodynamic performance[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2019, 184: 198-208.
[30]	YIN Ya-xing, WANG Tong, WANG Cheng-yan, et al. Mixing process modeling and flow-induced vibration characteristics based on lattice Boltzmann method[J]. Journal of Zhejiang University (Engineering Science), 2023, 57(11): 2217-2226.
[31]	KUZNIK F, OBRECHT C, RUSAOUEN G, et al. LBM based flow simulation using GPU computing processor[J]. Computers & Mathematics with Applications, 2010, 59(7): 2380-2392.
[32]	KERIMO J, GIRIMAJI S S. Boltzmann-BGK approach to simulating weakly compressible 3D turbulence: comparison between lattice Boltzmann and gas kinetic methods[J]. Journal of Turbulence, 2007, 8: N46.
[33]	SBRAGAGLIA M, BENZI R, BIFERALE L, et al. Generalized lattice Boltzmann method with multirange pseudopotential[J]. Physical Review E, Statistical, Nonlinear, and Soft Matter Physics, 2007, 75(2): 026702.
[34]	NAKADE K. Numerical simulation of flow around railway vehicle in turbulent boundary layer over flat terrain[J]. Quarterly Report of Railway Technical Research Institute, 2014, 55(4): 249-254.
[35]	ÖSTH J, KRAJNOVIĆ S. A study of the aerodynamics of a generic container freight wagon using large-eddy simulation[J]. Journal of Fluids and Structures, 2014, 44: 31-51.
[36]	YAO S B, SUN Z X, GUO D L, et al. Numerical study on wake characteristics of high-speed trains[J]. Acta Mechanica Sinica, 2013, 29(6): 811-822.
[37]	SCHULTE-WERNING B, HEINE C, MATSCHKE G. Unsteady wake flow characteristics of high-speed trains[J]. Proceedings in Applied Mathematics and Mechanics, 2003, 2(1): 332-333.

Relative Articles

Supplements(0)

Cited By

Get Citation

PDF

XML

Article Metrics

Article views (551) PDF downloads(35)

Wind tunnel test and numerical simulation for vortex-induced vibration of EMUs using scaled model

doi: 10.19818/j.cnki.1671-1637.2025.02.022

Abstract

References

Catalog

Article Metrics

Related

Wind tunnel test and numerical simulation for vortex-induced vibration of EMUs using scaled model

doi: 10.19818/j.cnki.1671-1637.2025.02.022

Abstract

References

Catalog

Article Metrics

Related

Export File

Citation

Format

Content