• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2023, Vol. 59 ›› Issue (10): 187-196.doi: 10.3901/JME.2023.10.187

• 运载工程 • 上一篇    下一篇

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低温条件对板式高速铁路轮轨滚动噪声的影响研究

成功1,2, 陈宗平2, 肖新标2, 韩健3, 圣小珍4   

  1. 1. 华东交通大学轨道交通基础设施性能监测与保障国家重点实验室 南昌 330013;
    2. 西南交通大学牵引动力国家重点实验室 成都 610031;
    3. 西南交通大学机械工程学院 成都 610031;
    4. 上海工程技术大学城市轨道交通学院 上海 201620
  • 收稿日期:2022-07-20 修回日期:2023-01-20 出版日期:2023-05-20 发布日期:2023-07-19
  • 通讯作者: 圣小珍(通信作者),男,1962年出生,博士,博士研究生导师。主要研究方向为铁路振动噪声,环境振动。E-mail:shengxiaozhen@hotmail.com E-mail:shengxiaozhen@hotmail.com
  • 作者简介:成功,男,1990年出生,博士。主要研究方向为高速铁路引起的轮轨噪声及环境振动。E-mail:cxglam@163.com
  • 基金资助:
    国家自然科学基金(U1834201)、国家重点研发计划战略性国际科技创新合作重点专项(2016YFE0205200)、四川省科技计划(2020YJ0076)和中国国家铁路集团有限公司科技研究开发计划(N2019G037)资助项目。

Influence of Low Environmental Temperature on Wheel/rail Rolling Noise of Slab High Speed Railway

CHENG Gong1,2, CHEN Zongping2, XIAO Xinbiao2, HAN Jian3, SHENG Xiaozhen4   

  1. 1. State Key Laboratory of Performance Monitoring and Protecting of Rail Transit Infrastructure, East China Jiaotong University, Nanchang 330013;
    2. State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031;
    3. School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031;
    4. School of Urban Railway Transportation, Shanghai University of Engineering Science, Shanghai 201620
  • Received:2022-07-20 Revised:2023-01-20 Online:2023-05-20 Published:2023-07-19

摘要: 中国高铁运营跨越多个气候带,且面临着向更高纬度国家输出高铁设备的契机,低温对滚动噪声的影响有必要进行系统的预测与研究。针对国内应用较广的300-1型和WJ-8型扣件,对其在不同低温时的装配动刚度和损失因子进行试验,基于试验结果和建立的板式轨道高速铁路滚动噪声预测模型,对低温条件下高速铁路滚动噪声开展研究。研究表明,随着环境温度的下降,滚动噪声对标准点等效连续A声级的贡献值也会变小,当温度达到轨垫板材料的玻璃化温度后,温度的下降对贡献值的影响变小,甚至会使滚动噪声小幅上升。对300-1型扣件和WJ-8扣件来说,和10℃的滚动噪声相比,350 km/h运行速度下滚动噪声贡献值的最大降幅分别可以达到4.0 dB(A)和3.1 dB(A);这个降幅主要来自于钢轨贡献的变化,如果列车运行速度更低,总的A声级将对温度更为敏感;从三分之一倍频的分频上看,在2 000 Hz以下的频率,有必要考虑空气参数随温度的变化。

关键词: 滚动噪声, 低温, 板式高速铁路

Abstract: The operation of China's high-speed railway crosses a very large latitude and longitude, and faces the opportunity to export high-speed railway equipment to countries with higher latitudes. The influence of low temperature on rolling noise needs systematic prediction and research. The assembly dynamic stiffness and loss factor of 300-1 fasteners and WJ-8 fasteners, which are widely used in China, are tested at different low temperatures. Based on the test results and the established slab track high-speed railway rolling noise prediction model, the rolling noise of high-speed railway at low temperature is studied. Studies have shown that as the environmental temperature decreases, the contribution of rolling noise to the equivalent continuous A-weighted sound level at the standard point will also decrease. Moreover, when the temperature reaches the glass transition temperature of the railpad materials, the decrease of temperature has little effect on the contribution value, and even makes the rolling noise increase slightly. For 300-1 fasteners and WJ-8 fasteners, compared with the rolling noise at 10℃, the maximum reduction of rolling noise contribution value can reach 4.0 dB(A) and 3.1 dB(A), when the train running at 350 km/h; This drop is mainly due to the change in the rail contribution. If the train runs at a lower speed, the total A-weighted sound level will be more sensitive to temperature. From the perspective of the one-third octave frequency band, at the frequency range below 2 000 Hz, it is necessary to consider the change of air parameters with temperature.

Key words: wheel/rail rolling noise, low environmental temperature, slab high speed railway

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