典型磁悬浮技术在磁浮飞行风洞中的应用分析

于馨凝; 姜欣彤; 张军; 周廷波; 倪章松

doi:10.11729/syltlx20220149

典型磁悬浮技术在磁浮飞行风洞中的应用分析

doi: 10.11729/syltlx20220149

1.
成都流体动力创新中心，成都　610071
2.
中国空气动力研究与发展中心，绵阳　621000

基金项目: 国家重点研发计划（2020YFA0710901）

详细信息

作者简介:
于馨凝：（1992—），女，辽宁丹东人，博士，工程师。研究方向：工程热物理。通信地址：四川省成都市青羊区二环路西二段75号成都流体动力创新中心（610071）。E-mail：3100101056@zju.edu.cn

通讯作者:
E-mail：nzscczx@163.com

中图分类号: V211.74；U237
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- 文章访问数: 29
- HTML全文浏览量: 5
- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2022-12-27
- 录用日期: 2023-02-17
- 修回日期: 2023-01-20
- 网络出版日期: 2023-03-10

Application of typical magnetic suspension system in maglev flight wind tunnel

1.
Chengdu Fluid Dynamics Innovation Center, Chengdu　610071, China
2.
China Aerodynamics Research and Development Center, Mianyang　621000, China

摘要

摘要: 磁浮飞行风洞的运行原理是利用磁悬浮、牵引和导向技术，驱动搭载模型的磁浮平台在封闭直线管道内作高速运动。磁悬浮系统对于精确控制模型加速/匀速/减速运动、达到试验所需运动状态尤其重要。本文结合磁浮飞行风洞总体技术指标及对磁悬浮系统的要求，从运行稳定性、系统安全性、试验功能性、环境适应性、技术成熟度等方面，对比分析常导电磁悬浮、永磁电动悬浮、高温/低温超导电动悬浮和高温超导钉扎悬浮系统。常导电磁悬浮系统难以达到最高运行速度（马赫数1.0）的技术指标，暂不作为磁浮飞行风洞备选磁悬浮方案。针对磁浮飞行风洞应用场景，基于层次分析法和灰色关联度分析法建立磁悬浮系统综合决策模型。结果表明，高温超导电动悬浮和高温超导钉扎悬浮系统具有较好的应用潜力。
- 飞行风洞 /
- 真空管道 /
- 磁悬浮 /
- 层次分析法 /
- 灰色关联度分析法
Abstract: The operation principle of the maglev flight wind tunnel is to drive the model to move at high speed in a closed straight pipe through magnetic suspension. The maglev system is particularly important for accurate control of the acceleration/uniform/deceleration process of the model. This study made a comprehensive analysis of the four maglev systems, including normal conductive electromagnetic suspension (EMS), permanent magnet electrodynamic suspension (PM–EDS), high/low temperature superconducting electrodynamics suspension (HTS/LTS–EDS), and high temperature superconducting pinning levitation (HTS–PL). These several maglev systems were comprehensively analyzed from five aspects. EMS system could not meet the specification requirement of the maximum operating speed Ma=1.0, which could not be used as an alternative maglev system for the maglev flight wind tunnel. Based on the analytic hierarchy process (AHP) and grey relational analysis (GRA), a comprehensive decision-making model of the maglev system was established for the application scenario of the maglev flight wind tunnel. Results show that the HTS–EDS and HTS–PL system have better application potential in the maglev flight wind tunnel.
- flight wind tunnel /
- vacuum pipeline /
- maglev /
- analytic hierarchy process /
- grey relational analysis

HTML全文

图 1 磁悬浮技术分类

Figure 1. Classification of maglev system

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图 2 常导电磁悬浮原理示意

Figure 2. Schematic diagram of EMS

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图 3 永磁电动悬浮原理示意

Figure 3. Schematic diagram of PM–EDS

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图 4 高温/低温超导电动悬浮原理示意

Figure 4. Schematic diagram of HTS/LTS–EDS

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图 5 高温超导钉扎悬浮原理示意

Figure 5. Schematic diagram of HTS-PL

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图 6 综合决策模型

Figure 6. Integrated decision model

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表 1 判断矩阵标度及含义

Table 1. Scaling and meaning of decision matrix

重要性等级	a_ij值	说明
e_i比e_j极端重要	9	2个指标的判断差异达到可能范围内最大
e_i比e_j强烈重要	7	2个指标的判断差异强烈
e_i比e_j明显重要	5	2个指标的判断差异明显
e_i比e_j稍重要	3	2个指标的判断差异轻微
e_i比e_j同等重要	1	2个指标无判断差异
e_i比e_j稍不重要	1/3	2个指标的判断差异轻微
e_i比e_j明显不重要	1/5	2个指标的判断差异明显
e_i比e_j强烈不重要	1/7	2个指标的判断差异强烈
e_i比e_j极端不重要	1/9	2个指标的判断差异达到可能范围内最大
注：若e_i和e_j的差异程度介于上述2个相邻等级之间，则a_ij值相应取为8、6、4、2、1/2、1/4、1/6、1/8。

下载: 导出CSV

表 2 指标评价结果

Table 2. Indicator quantification value of centesimal system

指标层	永磁电动悬浮	低温超导电动悬浮	高温超导电动悬浮	高温超导钉扎悬浮
垂向运行稳定性	C	B	B	C
侧向运行稳定性	C	B	B	C
纵向运行稳定性	C	B	B	B
悬浮控制系统	B	D	C	C
抗气动力激扰	C	B	B	C
环境与健康影响	D	D	A	B
最高运行马赫数	A	A	A	A
最低试验马赫数	A	A	A	A
平台牵引性能	D	C	C	B
环境温度适应性	A	A	A	A
轨道平顺适应性	C	A	A	B
真空环境热效应	B	B	B	B
核心技术储备	B	D	B	A
技术理论成熟度	B	B	B	B
工程应用进展	C	B	C	C

下载: 导出CSV

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