|Table of Contents|

Wind tunnel experiment on aerodynamic characteristics of high-speed train-bridge system under crosswind(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2020年01期
Page:
132-139
Research Field:
载运工具运用工程
Publishing date:

Info

Title:
Wind tunnel experiment on aerodynamic characteristics of high-speed train-bridge system under crosswind
Author(s):
ZOU Si-min12 HE Xu-hui12 WANG Han-feng12 TANG Lin-bo12 PENG Tian-wei12
(1. School of Civil Engineering, Central South University, Changsha 410075, Hunan, China; 2. National Engineering Laboratory for High-Speed Railway Construction, Central South University, Changsha 410075, Hunan, China)
Keywords:
high-speed train train-bridge system wind tunnel test crosswind aerodynamic characteristic surface wind pressure
PACS:
U270.1
DOI:
10.19818/j.cnki.1671-1637.2020.01.010
Abstract:
To study the aerodynamic characteristics of a high-speed train in operation and analyze the mechanism of aerodynamic characteristics change, two wind tunnel experimental schemes for aerodynamic characteristics of the high-speed train-bridge system were designed. A high-speed train-bridge test method and system appropriate for wind tunnel were developed and established. The system consisted of two parts including the motion system and the data acquisition system. The motion system was based on the inertial drive mechanism, the high-speed servo motor served as the power, through the high strength rotary conveyor belt, and the moving vehicle model with a scale ratio of 1:8-1:30 with a maximum speed of around 50 m·s-1could run in the wind tunnel to simulate the real operating environment.Taking the motion system as the carrier, a set of data acquisition systems was developed for measuring the aerodynamic characteristic of trains with or without the crosswind in the wind tunnel. Analysis result shows that the experimental method and system can be applied to the test scenarios with a short acceleration-deceleration distance and the high instantaneous acceleration. The system is not only free from the shape of vehicle and infrastructure but also reduces the design cost and improves the safety and stability of test.The standard error-mean value ratios are less than 10%, which shows that the aerodynamic characteristics of the train tested by the data acquisition system have good stability and repeatability, the aerodynamic characteristics of train in different tests can be obtained accurately. By comparing the test of train with or without the crosswind,the impact of speed of moving train on the aerodynamic is extremely important.While the train running at high speed, the aerodynamic effects due to the speed of train are much larger than the crosswind,and the mean wind pressure coefficient is up to -10, which reflects that the static model test method can not meet the requirements of the simulation of the aerodynamic characteristics of the train in high-speed operation. 1 tab, 8 figs, 26 refs.

References:

[1] HE Xu-hui, WU Teng, ZOU Yun-feng, et al. Recent developments of high-speed railway bridges in China [J]. Structure and Infrastructure Engineering, 2017, 13(12): 1584-1595.
[2] 金学松,郭 俊,肖新标,等.高速列车安全运行研究的关键科学问题[J].工程力学,2009,26(增2):8-22,105. JIN Xue-song, GUO Jun, XIAO Xin-biao, et al. Key scientific problems in the study on running safery of high speed trains[J]. Engineering Mechanics, 2009, 26(S2): 8-22, 105.(in Chinese)
[3] 田红旗.中国列车空气动力学研究进展[J].交通运输工程学报,2006,6(1):1-9. TIAN Hong-qi. Study evolvement of train aerodynamics in China[J]. Journal of Traffic and Transportation Engineering, 2006, 6(1): 1-9.(in Chinese)
[4] 李永乐,徐昕宇,郭建明,等.六线双层铁路钢桁桥车桥系统气动特性风洞试验研究[J].工程力学,2016,33(4):130-135. LI Yong-le, XU Xin-yu, GUO Jian-ming, et al. Wind tunnel tests on aerodynamic characteristics of vehicle-bridge system for six-track double-deck steel-truss railway bridge[J]. Engineering Mechanics, 2016, 33(4): 130-135.(in Chinese)
[5] GUO Wei-wei, WANG Yu-jing, XIA He, et al. Wind tunnel test on aerodynamic effect of wind barriers on train-bridge system [J]. Science China: Technological Sciences, 2015, 58(2): 219-225.
[6] BARCALA M A, MESEGUER J. An experimental study of the influence of parapets on the aerodynamic loads under cross wind on a two-dimensional model of a railway vehicle on a bridge [J]. Journal of Rail and Rapid Transit, 2007, 221(4): 487-494.
[7] HE Xu-hui, SHI Kang, WU Teng, et al. Aerodynamic performance of a novel wind barrier for train-bridge system[J]. Wind and Structure, 2016, 23(3): 171-189.
[8] 郭文华,张佳文,项超群.桥梁对高速列车气动特性影响的风洞试验研究[J].中南大学学报(自然科学版),2015,46(8):3151-3159. GUO Wen-hua, ZHANG Jia-wen, XIANG Chao-qun. Wind tunnel test of aerodynamic characteristics of high-speed train on bridge[J].Journal of Central South University(Science and Technology), 2015, 46(8): 3151-3159.(in Chinese)
[9] SUZUKI M, TANEMOTO K, MAEDA T. Aerodyanmic characteristics of train/vehicles under cross winds[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2003, 91, 209-218.
[10] FUJI I T, MAEDA T, ISHIDA H, et al. Wind-induced accidents of train/vehicles and their measures in Japan[J]. Quarterly Report of RTRI, 1999, 40(1): 50-55.
[11] KWON H B, NAM S W, YOU W H. Wind tunnel testing on crosswind aerodynamic forces acting on railway vehicles[J]. Journal of Fluid Science and Technology, 2010, 5(1): 56-63.
[12] SANQUER S, BARRE C, DE VIREL M D, et al. Effect of cross winds on high-speed trains: development of a new experimental methodology[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2004, 92(7/8): 535-545.
[13] COOPER R K. The effect of cross-winds on trains[J]. Journal of Fluids Engineering, 1981, 103: 170-178.
[14] BAKER C J. Train aerodynamic forces and moments from moving model experiments[J]. Journal of Wind Engineering and Industrial Aerodynamics, 1986, 24: 227-251.
[15] HUMPHREYS N D, BAKER C J. Forces on vehicles in cross winds from moving model tests[J]. Journal of Wind Engineering and Industrial Aerodynamics, 1992, 41-44(1-3): 2673-2684.
[16] HOWELL J P. Aerodynamic response of maglev train models to a crosswind gust[J]. Journal of Wind Engineering and Industrial Aerodynamics, 1986, 22: 205-213.
[17] 李素康,潘迪夫.列车动模型试验弹射系统的控制[J].中国铁路,2005(8):52-53,62. LI Su-kang, PAN Di-fu. Control of the ejection system in the train dynamic model test[J]. Chinese Railways, 2005(8): 52-53, 62.(in Chinese)
[18] 田红旗.中国高速轨道交通空气动力学研究进展及发展思考[J].中国工程科学,2015,17(4):30-41. TIAN Hong-qi. Development of research on aerodynamics of high-speed rails in China[J]. Engineering Sciences, 2015, 17(4): 30-41.(in Chinese)
[19] YANG Qian-suo, SONG Jun-hao, YANG Guo-wei. A moving model rig with a scale ratio of 1/8 for high speed train aerodynamics[J]. Journal of Wind Engineering and Industrial Aerodyanmics, 2016, 152: 50-58.
[20] 李永乐,胡 朋,张明金,等.侧向风作用下车-桥系统的气动特性——移动车辆模型风洞试验系统[J].西南交通大学学报,2012,47(1):50-56. LI Yong-le, HU Peng, ZHANG Ming-jin, et al. Aerodynamic characteristics of vehicle-bridge system under cross wind: wind tunnel test system with moving vehicle model[J]. Journal of Southwest Jiaotong University, 2012, 47(1): 50-56.(in Chinese)
[21] XIANG Huo-yue, LI Yong-le, CHEN Su-ren, et al. A wind tunnel test method on aerodynamic characteristics of moving vehicles under crosswinds[J]. Journal of Wind Engineering and Industrial Aerodyanmics, 2017, 163: 15-23.
[22] 王 铭,李小珍,沙海庆,等.侧风下钢桁梁对移动高速列车气动特性影响的风洞试验[J].中国公路学报,2018,31(7):84-91. WANG Ming, LI Xiao-zhen, SHA Hai-qing, et al. Wind tunnel test of the aerodynamic characteristics of a high-speed train running on a steel truss bridge under crosswind[J]. China Journal of Highway and Transport, 2018, 31(7): 84-91.(in Chinese)
[23] 邱晓为,李小珍,沙海庆,等.钢桁梁桥上列车双车交会气动特性风洞试验[J].中国公路学报,2018,31(7):76-83. QIU Xiao-wei, LI Xiao-zhen, SHA Hai-qing, et al. Wind tunnel measurement of aerodynamic characteristics of trains passing each other on truss bridge[J]. China Journal of Highway and Transport, 2018, 31(7): 76-83.(in Chinese)
[24] DORIGATTI F, STERLING M, BAKER C J, et al. Crosswind effects on the stability of a model passenger train—a comparison of static and moving experiments[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2015, 138: 36-51.
[25] PREMOLI A, ROCCHI D, SCHITO P, et al. Comparison between steady and moving railway vehicles subjected to crosswind by CFD analysis[J]. Journal of Wind Engineering and Industrial Aerodynamics, 2016, 156: 29-40.
[26] 李永乐,廖海黎,强士中.车桥系统气动特性的节段模型风洞试验研究[J].铁道学报,2004,26(3):71-75. LI Yong-le, LIAO Hai-li, QIANG Shi-zhong. Study on aerodynamic characteristics of the vehicle-bridge system by the section model wind tunnel test[J]. Journal of the China Railway Society, 2004, 26(3): 71-75.(in Chinese)

Memo

Memo:
-
Last Update: 2020-03-24