西南交通大学学报 2012, 47(1) 50-56 DOI:   10.3969/j.issn.0258-2724.2012.021.01.009  ISSN: 0258-2724 CN: 51-1277/U

本期目录 | 下期目录 | 过刊浏览 | 高级检索                                                            [打印本页]   [关闭]
论文
扩展功能
本文信息
Supporting info
PDF(898KB)
[HTML全文]
参考文献
服务与反馈
把本文推荐给朋友
加入我的书架
加入引用管理器
引用本文
Email Alert
文章反馈
浏览反馈信息
本文关键词相关文章
风-车-桥系统
移动车辆模型
风洞试验
风荷载
气动特性
本文作者相关文章
PubMed

侧向风作用下车灢桥系统的气动特性——移动车辆模型风洞试验系统

李永乐1,胡朋1,张明金1,2,廖海黎1

(1.西南交通大学土木工程学院,四川成都610031;2.湖北省交通规划设计院,湖北武汉430051)

摘要

为考虑侧向风作用下车辆运动对车-桥系统气动特性的影响,针对车-桥系统气动绕流的特点,研制了一
套移动车辆模型风洞试验系统,在风洞中实现了侧向风作用下车辆运动过程中桥梁和车辆各自气动力的同步测
试.该系统可以较方便地改变来流风速、车辆运动速度、测试对象以及车辆与桥梁的相对位置等.根据测试信号
时程的特点,提出了相应的数据处理方法,分析了车辆运动过程中桥梁和车辆动态气动力的变化特征.试验结果
表明,桥梁和车辆的气动力信号较稳定,试验结果比较可靠.

关键词 风-车-桥系统   移动车辆模型   风洞试验   风荷载   气动特性  

Aerodynamic Characteristics of Vehicle-Bridge System under Cross Wind: Wind Tunnel Test System with Moving Vehicle Model

LI Yongle1, HU Peng1, ZHANG Mingjin1,2, LIAO Haili1

(1. School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China; 2. Hubei Communications Planning and Design Institute, Wuhan 430051, China)

Abstract:

In order to consider the effects of vehicle motion on the aerodynamic characteristics of a vehicle-bridge system, a new test system with a moving vehicle model was developed regarding to the aerodynamic characteristics of ambient flow around the vehicle-bridge system to realize the synchronous measurement of the aerodynamic forces on bridge deck and vehicles in a large wind tunnel when a train is running through the bridge deck under cross wind. In the wind tunnel test system, wind velocity, vehicle velocity, test objects and relative position of vehicle and bridge are easy to change. Based on the characteristics of time-history of testing signals, a data processing method was presented, and changes in the dynamic aerodynamic force signals of bridge and moving vehicle were analyzed. The wind tunnel test results indicate that the aerodynamic force signals of both bridge deck and vehicle are relatively stable, and the test results are relatively reliable.

Keywords: wind-vehicle-bridge system   moving vehicle model   wind tunnel test   wind load   aerodynamic characteristic  
收稿日期 2010-11-01 修回日期  网络版发布日期  
DOI: 10.3969/j.issn.0258-2724.2012.021.01.009
基金项目:

国家自然科学基金资助项目(50508036);教育部新世纪优秀人才支持计划资助项目(CET-06-0802);四川省杰出青年学科带头人计划资助项目(2009-15-406)

通讯作者:
作者简介: 李永乐(1972-),男,教授,博士,博士生导师,主要研究方向为大跨桥梁风致振动及车桥耦合振动等,电话:028-87601119, E_mail:lele@swjtu.edu.cn

参考文献:

 [1] LI Yongle, QIANG Shizhong, LIAO Haili, et al. Dynamics of wind-rail vehicle-bridge system[J]. Journal of Wind Engineering and Industrial Aerody-namics, 2005, 93(6): 483-507.                                                                                                                                             

[2] SUZUKI M, TANEMOTO K, MAEDA T. Aerodynamic characteristics of train/vehicles under cross winds[J]. Journal of Wind Engineering and Industrial Aerody-namics, 2003, 91(1/2): 209-218.                                                                                                                                             

[3] 杨明智,袁先旭,鲁寨军,等. 强侧风下青藏线列车气动性能风洞试验研究[J]. 实验流体力学,2008,22(1): 76-79.                                                                                                                                             YANG Mingzhi, YUAN Xianxu, LU Zhaijun, et al. Experimental study on aerodynamic characteristics of train running on Qinghai-Tibet railway under cross winds[J]. Journal of Experiments in Fluid Mechanics, 2008, 22(1): 76-79.                                                                                                                                             

[4] ZHOU Li, GE Yaojun. Aerodynamic coefficient of vehicle-bridge system by wind tunnel test[J]. Journal of Harbin Institute of Technology: New Series, 2008, 15(6): 871-877.                                                                                                                                             

[5] 葛玉梅,李永乐,何向东. 作用在车-桥系统上风荷载的风洞试验研究[J]. 西南交通大学学报,2001,36(6): 612-616.                                                                                                                                             GE Yumei, LI Yongle, HE Xiangdong. Study on wind-induced loads of train-bridge system by tunnel test[J]. Journal of Southwest Jiaotong University, 2001, 36(6): 612-616.                                                                                                                                             

[6] 李永乐,廖海黎,强士中. 车桥系统气动特性的节段模型风洞实验研究[J]. 铁道学报,2004,26(3): 71-75.                                                                                                                                             LI Yongle, LIAO Haili, QIANG Shizhong. 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.                                                                                                                                             

[7] 李永乐. 风-车-桥系统非线性空间耦合振动研究[D]. 成都:西南交通大学土木工程学院,2003.                                                                                                                                             

[8] CHIU T W. Prediction of the aerodynamic loads on a railway train in a cross-wind at large yaw angles using an integrated two- and three-dimensional source/vortex panel method[J]. Journal of Wind Engineering and Industrial Aerodynamics, 1995, 57(1): 19-39.                                                                                                                                             

[9] 张健,陈南翼. 横风对电动车组中各车辆气动特性影响的实验研究[J]. 机车电传动,1998(2): 4-6.                                                                                                                                             ZHANG Jian, CHEN Nanyi. Experimental investi-gations into the effect of cross winds on the aerodynamics of EMU vehicles[J]. Electric Drive for Locomotive, 1998(2): 4-6.                                                                                                                                             

[10] POPE C W. The simulation of flows in railway tunnel using 1/25th scale moving model facility[C]∥Aerodynamics and Ventilation of Vehicle Tunnels. London and New York: Elsevier Applied Science, 1991: 709-737.     

[11] BAIN D, ALAN V. A gun-fired 0.5% scale facility for pressure transients tests of very high speed trains in tunnels[C]∥Aerodynamics and Vehicle Tunnels. England: Elsevier Science Publishers Ltd., 1991: 757-787.     

[12] 毛军,薛琳,谭忠盛. 新型高速列车隧道空气动力学模型试验系统[J]. 北方交通大学学报,2003,27(4): 6-10.     MAO Jun, XUE Lin, TAN Zhongsheng. A new type of model experiment system of aerodynamics effects caused by high-speed trains passing through tunnel[J]. Journal of Northern Jiaotong University, 2003, 27(4): 6-10.     

[13] BAKER C J. Train aerodynamic forces and moments from moving model experiments[J]. Journal of Wind Engineering and Industrial Aerodynamics,1986, 24(3): 227-251.     

[14] 李永乐,张明金,胡朋,等. 车辆运动对车-桥系统气动特性的影响研究[C]∥第十四届全国结构风工程学术会议论文集. 北京:中国土木工程学会桥梁及结构工程分会风工程委员会,2009: 569-574.     

[15] 中交公路规划设计院. JTG/T D60-01—2004公路桥梁抗风设计规范[S]. 北京:人民交通出版社,2004.

本刊中的类似文章
1.马启文 ;张 松.准高速列车气动性能试验研究[J]. 西南交通大学学报, 1997,32(3): 265-269
2.罗雄;潘言喻.大跨度钢管混凝土拱桥时域抖振分析 [J]. 西南交通大学学报, 2000,35(5): 475-479
3.何向东;周述华 .斜拉桥独塔施工状态风载内力的风洞试验研究 [J]. 西南交通大学学报, 2000,35(5): 471-474
4.郑史雄;周述华;廖海黎 .悬索桥施工猫道的非线性抗风静力稳定性分析 [J]. 西南交通大学学报, 2000,35(4): 348-451
5.郑史雄;廖海黎;周述华 .大跨度刚构桥悬臂施工状态的抗风性能研究 [J]. 西南交通大学学报, 2001,36(1): 8-11
6.冯炼; 马启文.CH3杆式小量程应变天平的研制 [J]. 西南交通大学学报, 1995,30(1): 115-120
7.葛玉梅;李永乐;何向东.作用在车-桥系统上风荷载的风洞试验研究* [J]. 西南交通大学学报, 2001,36(6): 612-616
8..上海新电视塔风载试验研究[J]. 西南交通大学学报, 1994,29(5): 549-556
9.郑史雄;薛尚铃.重庆万豪国际会展大厦风效应试验研究 [J]. 西南交通大学学报, 2005,40(5): 580-584
10.李永乐, 陈宁, 蔡宪棠, 强士中.桥塔遮风效应对风灢车灢桥耦合振动的影响[J]. 西南交通大学学报, 2010,45(6): 875-882
11.索奇峰, 李明水, 何向东.三维绕流状态下斜拉索阻力
系数的风洞试验研究[J]. 西南交通大学学报, 2010,45(6): 882-887
12.于昆龙,王卫华,黄汉杰,范振中,.
新型四管自立式钢烟囱风荷载研究 [J]. 西南交通大学学报, 2011,46(3): 421-426
13.李永乐, 徐幼麟, 沈其民, 陈波.斜拉桥拉索风灢雨致振动(I):机理分析[J]. 西南交通大学学报, 2011,46(4): 529-535

文章评论 (请注意:本站实行文责自负, 请不要发表与学术无关的内容!评论内容不代表本站观点.)

Copyright 2008 by 西南交通大学学报