[1]刘修宇,曹青青,朱晟泽,等.沥青混凝土路面轮胎临界滑水速度数值模拟[J].东南大学学报(自然科学版),2017,47(5):1020-1025.[doi:10.3969/j.issn.1001-0505.2017.05.028]
　Liu Xiuyu,Cao Qingqing,Zhu Shengze,et al.Numerical simulation of tire critical hydroplaning speed on asphalt pavement[J].Journal of Southeast University (Natural Science Edition),2017,47(5):1020-1025.[doi:10.3969/j.issn.1001-0505.2017.05.028]
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沥青混凝土路面轮胎临界滑水速度数值模拟()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
47
期数:
2017年第5期
页码:
1020-1025
栏目:
材料科学与工程
出版日期:
2017-09-20

文章信息/Info

Title:
Numerical simulation of tire critical hydroplaning speed on asphalt pavement
作者:
刘修宇1; 曹青青1; 朱晟泽1; 黄晓明1; 林梅2
1东南大学交通学院, 南京 210096; 2兰州理工大学土木工程学院, 兰州 730050
Author(s):
Liu Xiuyu1;  Cao Qingqing1;  Zhu Shengze1;  Huang Xiaoming1;  Lin Mei2
1School of Transportation, Southeast University, Nanjing 210096, China
2School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, China
关键词:
轮胎滑水;  沥青路面模型;  轮胎花纹;  欧拉-拉格朗日耦合算法;  水膜厚度
Keywords:
tire hydroplaning;  asphalt pavement model;  tire pattern;  coupled Eulerian-Lagrangian algorithm;  thickness of water film
分类号:
TU528.1
DOI:
10.3969/j.issn.1001-0505.2017.05.028
摘要:
为了揭示沥青混凝土路面轮胎滑水力学机理、评估各项因素对临界滑水速度的影响,运用数值模拟方法,建立了沥青路面模型和花纹充气轮胎模型,并利用欧拉-拉格朗日耦合算法建立了轮胎滑水模型.对滑水模型的适用性与精确性进行了验证,模拟计算出轮胎路面竖向接触力变化曲线以及临界滑水速度,并对轮胎花纹、轮胎充气压力、水膜厚度和路面类型的影响进行了评估.结果表明:增加轮胎花纹复杂度可增大轮胎行驶振动强度,减少水膜对轮胎的托举作用;提升轮胎充气压力和减小水膜厚度可以有效提高轮胎路面竖向接触力和临界滑水速度;OGFC路面在防止滑水现象发生方面显著优于AC路面和SMA路面,MPD值可用于评估有水路面的滑水性能.
Abstract:
To reveal the mechanism of tire hydroplaning on asphalt pavement and evaluate the effects of the factors on the critical hydroplaning speed, an asphalt pavement model and a tire model with pattern were built, and the tire hydroplaning model was simulated by using the coupled Eulerian-Lagrangian algorithm.The applicability and the accuracy of this tire hydroplaning model were validated.The contact force variation curve at the tire-pavement interface and the critical hydroplaning speed were calculated. The influence of the tire pattern, the inflation pressure, the thickness of the water film and the pavement type on the contact force at the tire-pavement interface and the critical hydroplaning speed were investigated.The results show that the increase of the complexity of the tire pattern can increase the strength of the tire vibration and decrease the lift force of the water film to the tire. The increase of the tire inflation pressure and the decrease of the water film thickness can increase the contact force at the tire-pavement interface and the critical hydroplaning speed. The OGFC(open graded friction course)pavement is superior than the AC(asphalt concrete)pavement and the SMA(stone mastic asphalt)pavement in preventing hydroplaning. The MPD(mean profile depth)value can be used for evaluating the hydroplaning performance of the tire on flooded pavement.

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备注/Memo

备注/Memo:
收稿日期: 2017-02-26.
作者简介: 刘修宇(1992—),男,硕士生;黄晓明(联系人),男,博士,教授,博士生导师,huangxm@seu.edu.cn.
基金项目: 国家自然科学基金资助项目(51378121).
引用本文: 刘修宇,曹青青,朱晟泽,等.沥青混凝土路面轮胎临界滑水速度数值模拟[J].东南大学学报(自然科学版),2017,47(5):1020-1025. DOI:10.3969/j.issn.1001-0505.2017.05.028.
更新日期/Last Update: 2017-09-20