{"title":"关于轮胎/路面接触力与滚动速度的幂律","authors":"M.N. Assemien , S. Pouget , A. Le Bot","doi":"10.1016/j.jsv.2025.119456","DOIUrl":null,"url":null,"abstract":"<div><div>The noise emitted in environment by vehicles rolling on road results from the mechanical interaction between the asperities of asphalt and the tyre tread. This study aims to assess the acoustic performance of different asphalt concretes by measuring the time-fluctuation of contact force. We performed measurements of the normal contact force on various asphalt samples. We report that the dynamic component of contact force, responsible of the acoustical emission, increases with rolling speed following the scaling law <span><math><mrow><msub><mrow><mi>f</mi></mrow><mrow><mi>RMS</mi></mrow></msub><mo>∝</mo><msup><mrow><mi>V</mi></mrow><mrow><mi>m</mi></mrow></msup></mrow></math></span> where <span><math><mrow><mi>m</mi><mo>=</mo><mn>1</mn><mo>.</mo><mn>6</mn><mspace></mspace><mo>±</mo><mspace></mspace><mn>0</mn><mo>.</mo><mn>2</mn></mrow></math></span>. We discuss the possible origins of the exponent <span><math><mi>m</mi></math></span> in terms of contact regimes.</div></div>","PeriodicalId":17233,"journal":{"name":"Journal of Sound and Vibration","volume":"620 ","pages":"Article 119456"},"PeriodicalIF":4.9000,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"On the power law of tyre/road contact forces versus rolling speed\",\"authors\":\"M.N. Assemien , S. Pouget , A. Le Bot\",\"doi\":\"10.1016/j.jsv.2025.119456\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The noise emitted in environment by vehicles rolling on road results from the mechanical interaction between the asperities of asphalt and the tyre tread. This study aims to assess the acoustic performance of different asphalt concretes by measuring the time-fluctuation of contact force. We performed measurements of the normal contact force on various asphalt samples. We report that the dynamic component of contact force, responsible of the acoustical emission, increases with rolling speed following the scaling law <span><math><mrow><msub><mrow><mi>f</mi></mrow><mrow><mi>RMS</mi></mrow></msub><mo>∝</mo><msup><mrow><mi>V</mi></mrow><mrow><mi>m</mi></mrow></msup></mrow></math></span> where <span><math><mrow><mi>m</mi><mo>=</mo><mn>1</mn><mo>.</mo><mn>6</mn><mspace></mspace><mo>±</mo><mspace></mspace><mn>0</mn><mo>.</mo><mn>2</mn></mrow></math></span>. We discuss the possible origins of the exponent <span><math><mi>m</mi></math></span> in terms of contact regimes.</div></div>\",\"PeriodicalId\":17233,\"journal\":{\"name\":\"Journal of Sound and Vibration\",\"volume\":\"620 \",\"pages\":\"Article 119456\"},\"PeriodicalIF\":4.9000,\"publicationDate\":\"2025-09-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Sound and Vibration\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0022460X25005292\",\"RegionNum\":2,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ACOUSTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Sound and Vibration","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0022460X25005292","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ACOUSTICS","Score":null,"Total":0}
On the power law of tyre/road contact forces versus rolling speed
The noise emitted in environment by vehicles rolling on road results from the mechanical interaction between the asperities of asphalt and the tyre tread. This study aims to assess the acoustic performance of different asphalt concretes by measuring the time-fluctuation of contact force. We performed measurements of the normal contact force on various asphalt samples. We report that the dynamic component of contact force, responsible of the acoustical emission, increases with rolling speed following the scaling law where . We discuss the possible origins of the exponent in terms of contact regimes.
期刊介绍:
The Journal of Sound and Vibration (JSV) is an independent journal devoted to the prompt publication of original papers, both theoretical and experimental, that provide new information on any aspect of sound or vibration. There is an emphasis on fundamental work that has potential for practical application.
JSV was founded and operates on the premise that the subject of sound and vibration requires a journal that publishes papers of a high technical standard across the various subdisciplines, thus facilitating awareness of techniques and discoveries in one area that may be applicable in others.