重载列车动能闯坡计算方法及应用

王开云; 黄超

doi:10.3969/j.issn.0258-2724.2015.05.001

重载列车动能闯坡计算方法及应用

doi: 10.3969/j.issn.0258-2724.2015.05.001

王开云,
黄超

基金项目:

中央高校基本科研业务费专项资金资助项目(2682014CX044)

国家自然科学基金资助项目(51478399)

中国铁路总公司科技研究开发计划重大课题资助项目(2013J012-A)

详细信息

作者简介:
王开云(1974-),男,研究员,博士,博士生导师,研究方向为铁路机车车辆-轨道耦合动力学,电话:028-87600773, E-mail:kywang@home.swjtu.edu.cn

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- 文章访问数: 1062
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出版历程
- 收稿日期: 2015-04-15
- 刊出日期: 2015-10-25

Calculation Method for Heavy-Haul Train Rushing Across Slope and Its Application

摘要

摘要: 为了研究重载列车动能闯坡性能,基于列车纵向动力学理论,充分考虑线路的平纵断面因素,建立了列车多质点分析模型.以列车坡顶速度不得小于机车的计算速度为评判准则,提出了列车动能闯坡的最低速度计算方法.针对重载列车扩编后遇到的动能闯坡实际工程问题,以某运煤专线计划增开万吨重载列车为例进行了动能闯坡最低速度的计算,计算结果表明:最低闯坡速度为72.80 km/h,坡顶最低速度为51.62 km/h,机车的计算速度为51.50 km/h,二者仅相差0.23%,说明该方法具有较高的计算精度.
- 列车纵向动力学 /
- 牵引计算 /
- 多质点模型 /
- 最低速度法
Abstract: In order to investigate the uphill performance of heavy-haul trains, a multi-particle train model is built by the theory of train longitudinal dynamics, taking the plane and vertical sections of railway line into account. According to the principle that the train speed at the top of a slope should not be less than the calculation speed of locomotives, a calculation method of minimum speed is proposed for a heavy-haul train rushing across the slope. Then, taking a dedicated coal transportation line as an example, the method is applied to the problem of train rushing across a slope caused by the increase of train length in marshalling plan. The results show that the minimum speed of train rushing across the slope is 72.80 km/h. The running speed on the top of the slope and the calculated speed of the locomotive are 51.62 km/h and 51.50 km/h, respectively; and the difference between them is only 0.23%. This reflects the high precision of the proposed method.
- longitudinal dynamics /
- traction calculation /
- multi-particle model /
- method of minimum speed

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参考文献(38)

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文章访问数: 1062
HTML全文浏览量: 57
PDF下载量: 724
被引次数: 0

重载列车动能闯坡计算方法及应用

doi: 10.3969/j.issn.0258-2724.2015.05.001

作者简介: 王开云(1974-),男,研究员,博士,博士生导师,研究方向为铁路机车车辆-轨道耦合动力学,电话:028-87600773, E-mail:kywang@home.swjtu.edu.cn

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出版历程

Calculation Method for Heavy-Haul Train Rushing Across Slope and Its Application

计量

出版历程

目录

作者简介:
王开云(1974-),男,研究员,博士,博士生导师,研究方向为铁路机车车辆-轨道耦合动力学,电话:028-87600773, E-mail:kywang@home.swjtu.edu.cn