轮胎充气压力损失的测试与仿真分析

IF 0.9 Q4 ENGINEERING, MECHANICAL
C. Liang, Xinyu Zhu, Guolin Wang, Changda Li
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引用次数: 1

摘要

轮胎充气压力损失是轮胎使用过程中不可避免的问题。充气压力损失率(IPLR)被广泛用于评价轮胎的充气压力保持性能。然而,IPLR测试是一个耗时的过程,乘用车轮胎需要42天,卡车/公共汽车轮胎需要105天。为了对轮胎压力损失过程进行深入研究,基于Abaqus软件,开发了一个包含轮胎几何形状输入以及轮胎材料输入的各种橡胶化合物的机械和透气性的有限元模型。本文提出了一种描述瞬态轮胎压力损失的新方法——理想材料法。与以前的各向同性模型不同,索-橡胶系统使用正交各向异性扩散系数来描述,该扩散系数是通过空气压降试验确定的,然后应用于本文的有限元模型。与标准IPLR试验相比,轮胎IPLR试验与模拟结果的差异在5%以内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Test and Simulation Analysis of Tire Inflation Pressure Loss
Tire inflation pressure loss is inevitable during tire service time. The inflation pressure loss rate (IPLR) is widely used to estimate the inflation pressure retention performance of a tire. However, an IPLR test is a time-consuming process that lasts 42 days for a passenger car tire and 105 days for a truck/bus tire. To perform a thorough study of the tire pressure loss process, based on Abaqus software, a finite element model was developed with tire geometry inputs as well as tire material inputs of both mechanical and permeability properties of the various rubber compounds. A new method—the ideal material method—is proposed here to describe the transient tire pressure loss. Different from the previous isotropic models, the cord–rubber system is described using orthotropic diffusivities, which were determined through air-pressure-drop tests then applied in the finite element model in this article. Compared with the standard IPLR test, the difference between the tire IPLR test and the simulation result is within 5%.
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来源期刊
Tire Science and Technology
Tire Science and Technology ENGINEERING, MECHANICAL-
CiteScore
2.10
自引率
0.00%
发文量
11
期刊介绍: Tire Science and Technology is the world"s leading technical journal dedicated to tires. The Editor publishes original contributions that address the development and application of experimental, analytical, or computational science in which the tire figures prominently. Review papers may also be published. The journal aims to assure its readers authoritative, critically reviewed articles and the authors accessibility of their work in the permanent literature. The journal is published quarterly by the Tire Society, Inc., an Ohio not-for-profit corporation whose objective is to increase and disseminate knowledge of the science and technology of tires.
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