基于橡胶能量耗散机理的轮胎滚动阻力建模与实验研究

IF 1.9 4区 工程技术 Q3 ENGINEERING, MECHANICAL
X. Gao, Z. Liu, H. Zhang, S. Wu, W. Fan, G. Zhang
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引用次数: 0

摘要

充气轮胎的滚动阻力是影响车辆力学性能和油耗的重要因素之一。本文介绍了作者在轮胎滚动阻力理论建模和试验研究方面所做的工作。本文的研究目的是揭示轮胎滚动阻力的主动机理,建立滚动阻力系数的计算方法,研究一种新的滚动阻力参数的测试方法。首先,分析了轮胎胎面橡胶的耗能机理和轮胎滚动阻力的作用机理;基于刷模型框架,建立了轮胎胎面橡胶滞回力模型。随后,利用应变传感器技术设计了轮胎滚动变形检测系统。在此基础上,提出了一种将橡胶耗散机理与滞回力模型相结合的滚动阻力系数和滚动阻力的计算方法。研究结果表明,滚动轮胎垂直载荷的增加会导致滚动半径的减小和滚动接触片的伸长。此外,随着垂直载荷和滚动速度的增加,轮胎的滚动偏转变得更加明显。对比分析表明,试验结果与仿真结果的滚动阻力误差在10%以内,从而验证了所建轮胎滚动阻力模型的可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Modeling and Experimental Study of Tire Rolling Resistance Based on Rubber Energy Dissipation Mechanism

The rolling resistance of pneumatic tires is one of the important factors that affects the mechanical properties and fuel consumption of vehicles. This paper presents work the authors carried out in theoretical modeling and experimental research of tire rolling resistance. The aims of this research and paper are to reveal the active mechanism of tire rolling resistance, to develop a method of calculating the rolling resistance coefficients, and to research a new test method for measuring rolling resistance parameters. Firstly, the energy dissipation mechanism of tire tread rubber and the action mechanism of tire rolling resistance are analyzed. A hysteretic force model for tire tread rubber is developed based on the brush model framework. A tire rolling deformation detection system is subsequently designed by means of strain sensor technology. Furthermore, a novel calculation method for the rolling resistance coefficient and rolling resistance, integrating the rubber dissipative mechanism with the hysteretic force model, is presented. The findings indicate that an increase in the vertical load of the rolling tire leads to a reduction in rolling radius and an elongation of the rolling contact patch. Additionally, as both the vertical load and rolling speed increase, the tire's rolling deflection becomes more pronounced. A comparative analysis reveals that the discrepancy in rolling resistance between experimental and simulated results remains within 10%, thereby confirming the feasibility of the proposed tire rolling resistance model.

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来源期刊
Experimental Techniques
Experimental Techniques 工程技术-材料科学:表征与测试
CiteScore
3.50
自引率
6.20%
发文量
88
审稿时长
5.2 months
期刊介绍: Experimental Techniques is a bimonthly interdisciplinary publication of the Society for Experimental Mechanics focusing on the development, application and tutorial of experimental mechanics techniques. The purpose for Experimental Techniques is to promote pedagogical, technical and practical advancements in experimental mechanics while supporting the Society''s mission and commitment to interdisciplinary application, research and development, education, and active promotion of experimental methods to: - Increase the knowledge of physical phenomena - Further the understanding of the behavior of materials, structures, and systems - Provide the necessary physical observations necessary to improve and assess new analytical and computational approaches.
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