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轮胎负荷对滑行通过噪声测试的影响
Effect of Tire Load on Coast-by Noise
Received:July 25, 2019  Revised:July 25, 2019
DOI:10.12135/j.issn.1006-8171.2020.06.0376
中文关键词: 轮胎;滑行通过噪声;负荷;充气压力;ECE R117法规;温度修正
英文关键词: tire;coast-by noise;load;inflation pressure;ECE R117 regulation;temperature correction
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Author NameAffiliationE-mail
Cai Xizhou Zhongce Rubber Group Company Limited cxz82011@163.com 
Song Li Zhongce Rubber Group Company Limited  
Qin Yanfen Zhongce Rubber Group Company Limited  
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中文摘要:
      主要针对试验车辆轮胎在充气压力不变的情况下,负荷在ECE?R117法规规定的区间内两极变化对滑行通过噪声测试的影响。结果表明,在ECE?R117法规规定的区间内,轮胎负荷向下限调整会取得较小的噪声测试值,反之则噪声测试值较大,温度修正后两者噪声声压级差值为1.9 dB(A),负荷取值直接影响轮胎测试认证结果。
英文摘要:
      The purpose of this study was to investigate the effect of load change between two poles in the range specified by ECE R117 regulation on the coast-by noise under the condition of constant inflation pressure.The results showed that in the range specified by ECE R117 regulation,the adjustment of tire load to the lower limit would get smaller noise test value,otherwise,it would get bigger noise test value.The difference between the two noise pressure levels was 1.9 dB(A) after the temperature correction of the test tire involved in this work,which directly affected the tire test certification results.
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