| Design Principle of Tread Pattern with Low Noise |
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| DOI： |
| Key Words: tread pattern；noise；design principle |
| Author Name | Affiliation | | Chen Lijun | Wuhan University of Technology | | Yang Guangda | Shanghai Passenger Tire Factory | | Dong Qin | Shanghai Passenger Tire Factory |
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| Abstract: |
| The design priciple and method of tread pattern with low noise are investigated with the aid of the newly developed computer simulating system of passenger tire and the assessment rule for the noise spectrum of tread pattern. The theoretic a nalysis and the experimental verification show that the arrangement pitch ratio of tread patterns，the repeat period ratio of the same element forming ribbed patterns on the tire circumference，the area ratios of both tread blocks and grooves，and the ratio of the distances between grooves should be an irrational number far from a round number；the lateral groove，the long narrow groove，and the lateral or longitudinal groove with only one open end produce higher noise. |
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