| 横风对高速动车曲线通过性能的影响 |
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| 引用本文： | 王永冠,陈康. 横风对高速动车曲线通过性能的影响[J]. 西南交通大学学报, 2005, 40(2): 224-227 |
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| 作者姓名： | 王永冠 陈康 |
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| 作者单位： | 西南交通大学机车车辆研究所,四川,成都,610031 |
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| 摘 要： | 通过横风对电动车组气动特性影响的试验研究，得到了高速动车受横风作用时所受的气动升力、侧力和侧翻力矩，并利用动力学分析软件SIMPACK分析高速动车在横风工况下的曲线通过性能．分析结果表明，侧向风力引起的车轮减载是影响动车安全运行的重要因素．在所研究的工况下，动车在常值侧风下通过曲线的速度不应超过220km／h，在阵风下以100km／h的速度通过曲线仍然不能满足安全指标．
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| 关 键 词： | 铁路 高速动车 曲线通过 动力学性能 横风 |
| 文章编号： | 0258-2724(2005)02-0224-04 |
Effects of Crosswinds on Curve Negotiation of High-Speed Power Cars |
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| WANG Yong-guan,CHEN Kang. Effects of Crosswinds on Curve Negotiation of High-Speed Power Cars[J]. Journal of Southwest Jiaotong University, 2005, 40(2): 224-227 |
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| Authors: | WANG Yong-guan CHEN Kang |
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| Abstract: | The aerodynamic lift forces, lateral forces and rolling moment on high-speed power cars were investigated experimentally to study the effects of crosswinds on the aerodynamics of EMU (electric multiple unit). The dynamics of curve negotiation of high-speed power car under crosswinds was analyzed using software SIMPACK. The results indicate that wheel load reduction induced by crosswind is an important safety factor. Under discussed conditions, the safe speed of power car is less than 220 km/h under a mild wind ((15 m/s)); and there is no safe speed under a gust crosswind ((25 m/s)) when power cars run at speed of 100 ~ 180 km/h. |
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| Keywords: | railway high-speed power car curve negotiation dynamics crosswind |
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