轿车轮胎动力滑水分析

季天剑; 高玉峰; 陈荣生

doi:10.19818/j.cnki.1671-1637.2010.05.010

轿车轮胎动力滑水分析

doi: 10.19818/j.cnki.1671-1637.2010.05.010

季天剑^{1, 2, 3,},
高玉峰³,
陈荣生⁴

1.
重庆交通大学山区道路建设与维护技术重庆市重点实验室, 重庆 400074
2.
南京航空航天大学航空宇航学院, 江苏南京 210016
3.
河海大学土木与交通学院, 江苏南京 210098
4.
东南大学交通学院, 江苏南京 210096

基金项目:

重庆交通大学山区道路建设与维护技术重庆市重点实验室开放基金项目 CQMRCM-08-3

详细信息

作者简介:
季天剑(1970-), 男, 江苏响水人, 南京航空航天大学副教授, 工学博士, 从事路基路面结构与材料研究

中图分类号: U461.3
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- 被引次数: 0
出版历程
- 收稿日期: 2010-05-12
- 刊出日期: 2010-10-25

Dynamic hydroplaning analysis of car tire

1.
Hi-tech Laboratory for Mountain Road Construction and Maintenance, Chongqing Jiaotong University, Chongqing 400074, China
2.
School of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, Jiangsu, China
3.
School of Civil and Transportation Engineering, Hohai University, Nanjing 210098, Jiangsu, China
4.
School of Transportation, Southeast University, Nanjing 210096, Jiangsu, China

More Information

Author Bio:
JI Tian-jian(1970-), male, associate professor, PhD, +86-25-84891754, jitianjian@nuaa.edu.cn

摘要

摘要: 基于弹性流体动力润滑理论, 将轮胎、路表水膜和路面作为一个弹性流体动力润滑系统, 研究了轮胎的动力滑水问题。在轮胎上建立坐标系, 则轮胎是静止的而水膜是运动的, 推导了控制动力滑水的Reynolds方程、水膜厚度方程和变形方程, 采用复合直接迭代求解方法, 并编制了计算程序, 分析了轿车轮胎在沥青路面上行驶的动力滑水。分析结果表明: 随着行驶速度的增大, 能够引起动力滑水的路表水膜厚度不断减小, 当行驶速度为120km.h^-1时, 路表水膜厚度为2mm就会发生动力滑水。
- 汽车工程 /
- 轮胎 /
- 动力滑水 /
- 弹性流体动力润滑
Abstract: The dynamic hydroplaning of car tire was studied by the theory of elastohydrodynamic lubrication. The system of elastohydrodynamic lubrication was made of tire, water on pavement and pavement. The coordinate system was set up on tire, so tire was relatively immobile, and water film was relatively mobile. To control the hydroplaning, the equations of Reynolds, thickness of water and its distortion were derived. The equations were solved by using complex direct iteration algorithm and corresponding program. Computation result indicates that the thickness of water film on pavement that can lead to the hydroplaning becomes lessening with speed increase. The hydroplaning will happen when the speed of car is 120 km·h^-1 and the thickness of water film on pavement is 2 mm.
- automotive engineering /
- tire /
- dynamic hydroplaning /
- elastohydrodynamic lubrication

HTML全文

图 1 轮胎水漂模型

Figure 1. Dynamic hydroplaning model of tire

下载: 全尺寸图片幻灯片

图 2 接触区内的水膜厚度

Figure 2. Thickness of water film in contact region

下载: 全尺寸图片幻灯片

表 1 轮胎主要参数

Table 1. Primary parameters of tire

轮胎类型	标准轮辋	允许使用轮辋	主要尺寸/mm(新胎充气后)		标准载荷/kN	充气压力/kPa
			断面宽(±3.5%)	外直径(±1%)
TL	7.0J	6.5J、7.5J	233	632	6.17	250

下载: 导出CSV

表 2 沥青路面结构

Table 2. Structure of asphalt pavement

结构层	厚度/cm	弹性模量/MPa	泊松比
面层(沥青混凝土)	16	1 400	0.25
基层(二灰碎石)	20	1 500	0.25
底基层(二灰土)	40	800	0.30
土基		35	0.35

下载: 导出CSV

参考文献(10)

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