摘要
从流体角度设计了一种带有旁支管的纵向花纹来解决轮胎花纹噪声和抗滑水性能这一矛盾体。分别建立了轮胎花纹声学模型和抗滑水模型,数值模拟探究旁支管结构对纵向花纹轮胎噪声和抗滑水性能的影响。首先研究了旁支管结构对轮胎花纹噪声的影响。其次,基于VOF模型研究旁支管结构对轮胎动水升力的影响。研究结果表明旁支管的存在能够降低轮胎纵向花纹气柱共鸣噪声和远场噪声;降低水流动水升力来提高轮胎抗滑水性能;在旁支管共振腔容积一定时,连接主花纹沟的管道宽度直接影响着旁支管对轮胎噪声和抗滑水性能影响;增加接地区域共振腔数目有利于提高轮胎抗滑水性能。
Based on the research of fluid, a new circumferential groove with bypass was designed in order to resolve the contradiction between the tire noise and antislSd performance. The acoustic model of tire noise and the anti-skid performance model were established separately; by virtual of numerical simulation method, the influence of bypass and its structure parameters on tire noise and anti-skid performance was analyzed. First of all, it was simulated that the bypass and it＇s structure parameters affected tire noise; Then, VOF（Volume of Fluid） models were applied to simulate the influence of bypass on the hydrodynamic lift using CFD. The results show that bypass not only can reduce the radiated noise of tire tread pattern but also improve antiskid performance. Also, once the volume of resonant cavity was determined, the width of junction pipeline between the circumferential grooves and the resonance cavity played an important role in the improvement of tire noise and antiskid performance; adding the number of bypass in the footprint can improve antiskid performance.
出处
《系统仿真学报》
CAS
CSCD
北大核心
2014年第3期675-681,共7页
Journal of System Simulation
基金
江苏省汽车工程重点实验室开放基金资助项目(QC201303)
江苏省2013年度普通高校研究生科研创新计划项目(CXLX13_676)
关键词
数值仿真
旁支管
轮胎花纹
轮胎噪声
轮胎滑水
numerical simulation
bypass
tire tread pattern
tire noise
antiskid performance
