首页> 外文OA文献 >Influence of changes in surface layer properties on tire/pavement noise
【2h】

Influence of changes in surface layer properties on tire/pavement noise

机译:表层特性变化对轮胎/路面噪声的影响

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务,本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文,但由于OA文献来源多样且变更频繁,仍可能出现获取不到、文献不完整或与标题不符等情况,如果获取不到我们将提供退款服务。请知悉。

摘要

This paper investigates changes in tire/pavement noise caused by variations in the road surface characteristics. This research is based on the analysis of noise and surface characteristics collected from sections with 25 mm thickness thin layer surfacings in the Netherlands. Investigations are first performed on the measured noise levels in 1/3rd octave bands, texture levels and the sound-absorption curves. The one-way analysis of variance is employed to test the changes of noise caused by variations of the pavement surface characteristics. It is found that the significant differences in the noise levels between road surfaces mainly appear at frequencies higher than 1000 Hz, and they are considered to be related to surface layer properties. Multivariate linear regression analysis is performed for describing the relationship between the noise level changes and the variations of surface characteristics. By using the partial least square (PLS) regression, the combined effect of texture and sound absorption coefficients on different spectral bands is displayed. From the regression results, it can be inferred that the sound absorption variations at 1000 and 1250 Hz are important factors influencing noise reduction of thin layer surfacings. The founding provides information for designing the noise reducing thin layer surfacings.
机译:本文研究了由路面特性变化引起的轮胎/路面噪声变化。这项研究基于对荷兰25毫米厚薄层铺面的截面收集的噪声和表面特征的分析。首先对测得的1/3级八度音阶中的噪声水平,纹理水平和吸声曲线进行研究。单向方差分析用于测试由路面表面特性变化引起的噪声变化。结果发现,路面之间的噪声水平的显着差异主要出现在高于1000 Hz的频率上,并且被认为与表面层特性有关。进行多元线性回归分析以描述噪声水平变化与表面特性变化之间的关系。通过使用偏最小二乘(PLS)回归,可以显示纹理和吸声系数在不同光谱带上的组合效果。从回归结果可以推断,在1000和1250 Hz处的吸声变化是影响薄层表面降噪的重要因素。基金会为设计降噪薄层铺面提供了信息。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号