[1]滕万秀,余以正,程亚军,等.列车空簧区域防积雪结冰研究[J].机车电传动,2020,(04):54-59.[doi:10.13890/j.issn.1000-128x.2020.04.011]
 TENG Wanxiu,YU Yizheng,CHENG Yajun,et al.Research on Snow and Ice Prevention in Air Spring Area of Train[J].Electric Drive for Locomotives,2020,(04):54-59.[doi:10.13890/j.issn.1000-128x.2020.04.011]
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列车空簧区域防积雪结冰研究()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2020年04期
页码:
54-59
栏目:
研 究 开 发
出版日期:
2020-07-10

文章信息/Info

Title:
Research on Snow and Ice Prevention in Air Spring Area of Train
文章编号:
1000-128X(2020)04-0054-06
作者:
滕万秀余以正程亚军孙 健
(中车长春轨道客车股份有限公司,吉林 长春 130062)
Author(s):
TENG Wanxiu YU Yizheng CHENG Yajun SUN Jian
( CRRC Changchun Railway Vehicles Co., Ltd., Changchun, Jilin 130062, China )
关键词:
列车空簧积雪结冰风洞试验数值模拟
Keywords:
train air spring snow and ice wind tunnel test numerical simulation
分类号:
U216.41+2;U270.331
DOI:
10.13890/j.issn.1000-128x.2020.04.011
文献标志码:
A
摘要:
从仿真分析、风洞试验和线路测试3方面入手,综合分析转向架加装前端导流装置和空簧局部导流防护装置对列车空簧部位积雪结冰的影响。研究发现,采用全局导流和局部导流防护组合优化方案后,转向架前端来流出现明显下压现象,转向架区域上部的气流流速减小,下部气流流速增加,一方面减少了夹杂着雪花的气流对转向架区域的直接冲击,另一方面使得下部与转向架结构无接触的气体迅速通过转向架,从而在整体上减少了转向架各关键部件的积雪;在空簧处气流漩涡明显减少,使得雪粒子不容易被带入空簧附近区域,转向架空簧区域积雪量减少近80%,只在连接部位的缝隙处有少部分积雪,对列车的平稳性和舒适性影响甚微,提升了列车在高寒多雪地区的适应性。
Abstract:
Starting from simulation analysis, wind tunnel test and line test, the influence of installing front-end guide device and air spring local diversion protection device on bogie to the snow and ice in the air spring part of the train was comprehensively analyzed. The study found that, after adopting the combined optimization scheme of global diversion and local diversion protection, obvious downward pressure appeared in the front of the bogie, the air flow velocity at the upper part of the bogie area decreased, and the air flow velocity at the lower part increased. On the one hand, the direct impact of the air flow mixed with snowflakes on the bogie area reduced, and on the other hand, the air in the lower part without contacting the bogie structure passed through the bogie quickly, which reduced the snow on the key components of the bogie on the whole; the airflow vortex at the air spring was significantly reduced, ensuring the snow particles can not to be brought into the area near the air spring easily. The amount of snow in the area of the bogie overhead spring was reduced by nearly 80%, and only a small amount of snow was found in the gap of the connecting parts, which had little impact on the stability and comfort of the train, and improved the adaptability of the train in the alpine and snowy area.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:滕万秀(1979—),男,教授级高级工程师,博士,主要从事列车基础技术研究。
更新日期/Last Update: 2020-07-10