真空管道列车流固耦合研究进展及关键技术分析

寇杰; 符澄; 高兴龙; 孙运强

doi:10.11729/syltlx20220143

真空管道列车流固耦合研究进展及关键技术分析

doi: 10.11729/syltlx20220143

中国空气动力研究与发展中心设备设计与测试技术研究所，绵阳　621000

基金项目: 中国空气动力研究与发展中心设备设计与测试技术研究所青年自主创新科学基金项目

详细信息

作者简介:
寇杰：（1994—），男，四川宜宾人，博士后。研究方向：磁浮列车空气动力学。通信地址：四川省绵阳市涪城区二环路南段6号（621000）。E-mail：koujie@cardc.cn

通讯作者:
E-mail：gaoxinlong@cardc.cn

中图分类号: U171；TB79
计量
- 文章访问数: 279
- HTML全文浏览量: 100
- PDF下载量: 31
- 被引次数: 0
出版历程
- 收稿日期: 2022-12-12
- 修回日期: 2023-01-05
- 录用日期: 2023-03-06
- 网络出版日期: 2023-04-23
- 刊出日期: 2023-06-25

Progress on fluid-solid coupling of vacuum pipeline train and analysis of key technology

Facility Design and Instrumentation Institute, China Aerodynamic Research and Development Center, Mianyang　621000, China

摘要

摘要: 利用磁悬浮技术、管道内抽真空形成低压运行环境，真空管道列车理论上可以实现超过1000 km/h的运行速度。封闭管道导致气动环境复杂，同时列车悬浮运行使列车运行姿态极易发生改变，列车流固耦合效应明显。为探究真空管道列车流固耦合理论及分析方法，对真空管道列车气动研究进展、轨道列车流固耦合特性研究进展进行了综述，分析了真空管道列车流固耦合关键技术，提出了需要重点发展的真空管道列车流场分析技术、流固耦合分析技术和控制技术，可为真空管道列车流固耦合机理研究提供参考。
- 真空管道列车 /
- 流固耦合 /
- 激波 /
- 气动载荷 /
- 动力学特性
Abstract: Theoretically, the speed of vacuum pipe trains can exceed 1000 km/h by using the magnetic suspended technology in a low-pressure operating environment of pumped vacuums within the tubes. The closed pipe creates a complex aerodynamic environment, while the suspension of the train makes it very susceptible to changes in the attitude of the train. The fluid-solid coupling effects of the train are evident which require targeted research. In order to explore the theory and analysis method of fluid-solid coupling of the vacuum pipeline train, a relatively complete review of the progress in aerodynamic studies of the vacuum pipe train and the study of the fluid-solid coupling characteristics of the railway trains is made. And the key technology of fluid-solid coupling of the vacuum pipeline train is analyzed. It is proposed that the vacuum pipe train fluid-solid coupling study should focus on the development of the vacuum pipe train flow analysis techniques, the vacuum pipe train fluid-solid coupling analysis techniques and the vacuum pipe train control technology. This paper provides reference for vacuum pipe train fluid-solid coupling techniques to facilitate the development of the vacuum pipe train technology.
- vacuum pipeline train /
- fluid-solid coupling /
- shock wave /
- aerodynamic force /
- dynamic characteristic

HTML全文

图 1 600 km/h速度等级磁浮列车^[1]

Figure 1. The maglev train at speed of 600 km/h ^[1]

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图 2 真空管道列车三维计算模型^[12]

Figure 2. A three-dimensional calculation model for a vacuum pipe train^[12]

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图 3 不同管道压力下气动阻力随阻塞比的变化^[12]

Figure 3. Aerodynamic drag changes with the blockage under different pipeline pressures^[12]

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图 4 不同列车速度下气动阻力随阻塞比的变化^[12]

Figure 4. Aerodynamic drag changes with the blockage under different speeds^[12]

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图 5 不同头车形状条件下的气压差^[19]

Figure 5. Pressure differentials under different header shapes^[19]

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图 6 不同尾车形状条件下的气压差^[19]

Figure 6. Pressure differentials under different trailer shapes^[19]

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图 7 封闭管道内气动阻力时域变化曲线^[24]

Figure 7. A change curve of the aerodynamic drag within the closed pipe^[24]

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图 8 真空管道列车试验装置^[25]

Figure 8. Vacuum pipe train test device^[25]

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图 9 真空管道内部等熵流动流场特征分析^[30]

Figure 9. Analysis of flow field characteristics of isentropic flow in vacuum pipe^[30]

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图 10 600 km/h 运行速度下列车尾部马赫数分布^[30]

Figure 10. Mach number distribution at train trail at speed of 600 km/h^[30]

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图 11 车头处压力云图和激波结构图^[8]

Figure 11. Pressure clouds and shock cluster structure maps at the head of the vehicle^[8]

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图 12 车尾处压力云图和激波结构图^[8]

Figure 12. Pressure clouds and shock cluster structure maps at the end of the vehicle^[8]

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图 13 联合仿真求解过程

Figure 13. Joint simulation resolution process

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图 14 内嵌式联合仿真求解过程

Figure 14. Embedded joint simulation resolution process

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图 15 平衡状态法联合仿真求解过程^[54]

Figure 15. Joint simulation resolution process in balanced state method^[54]

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图 16 无风条件下350 km/h等速交会^[57]

Figure 16. Same velocity rendezvous at speed of 350 km/h without wind^[57]

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图 17 10 m/s侧风条件下350 km/h等速交会^[57]

Figure 17. Same velocity rendezvous at speed of 350 km/h with sidewind at speed of 10 m/s^[57]

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图 18 头车、中间车和尾车的气动载荷^[57]

Figure 18. Aerodynamic load of head, middle and tail vehicle^[57]

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图 19 运行安全性指标^[57]

Figure 19. The operational safety factor^[57]

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表 1 计算效率比较^[54]

Table 1. The contrast of computational efficiency^[54]

计算方法	计算类型	气动计算			车辆动力学计算
计算方法	计算类型	每个时间步迭代步数	时间迭代总步数	总迭代步数	迭代计算时间/s	总计算时间/s
离线仿真法	稳态	—	—	2000	—	15
平衡状态法	瞬态	100	50	5000	50 × 5	265
交互式联合仿真法	瞬态	20	7500	150000	—	15

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表 2 气动载荷指标比较^[54]

Table 2. The contrast of aerodynamic load^[54]

计算方法	侧力/kN	升力/kN	侧滚力矩 /(kN·m)	俯仰力矩 /(kN·m)	摇头力矩 /(kN·m)
离线仿真法	41.96	7.35	−9.95	−176.11	261.99
平衡状态法	50.78	12.39	−6.07	−131.56	217.18
交互联合仿真法	52.61	12.77	−5.88	−135.26	216.75

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表 3 列车运行姿态指标比较^[54]

Table 3. The contrast of vehicle body attitude^[54]

计算方法	横移量 /mm	沉浮量 /mm	侧滚角 /(°)	俯仰角 /(°)	摇头角 /(°)
离线仿真法	68.07	10.49	0.88	−0.1888	0.2179
平衡状态法	87.16	17.71	1.47	−0.1402	0.1779
交互联合仿真法	89.99	18.11	1.52	−0.1447	0.1804

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真空管道列车流固耦合研究进展及关键技术分析

doi: 10.11729/syltlx20220143

作者简介:
寇杰：（1994—），男，四川宜宾人，博士后。研究方向：磁浮列车空气动力学。通信地址：四川省绵阳市涪城区二环路南段6号（621000）。E-mail：koujie@cardc.cn

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E-mail：gaoxinlong@cardc.cn

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Progress on fluid-solid coupling of vacuum pipeline train and analysis of key technology

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真空管道列车流固耦合研究进展及关键技术分析

doi: 10.11729/syltlx20220143

作者简介: 寇杰：（1994—），男，四川宜宾人，博士后。研究方向：磁浮列车空气动力学。通信地址：四川省绵阳市涪城区二环路南段6号（621000）。E-mail：koujie@cardc.cn

通讯作者: E-mail：gaoxinlong@cardc.cn

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Progress on fluid-solid coupling of vacuum pipeline train and analysis of key technology

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作者简介:
寇杰：（1994—），男，四川宜宾人，博士后。研究方向：磁浮列车空气动力学。通信地址：四川省绵阳市涪城区二环路南段6号（621000）。E-mail：koujie@cardc.cn

通讯作者:
E-mail：gaoxinlong@cardc.cn