| Study on Natural Frequencies and Vibration Modes of Passenger Car Tyres |
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| DOI： |
| Key Words: tyre；natural frequency；vibration mode of tyre |
| Author Name | Affiliation | | He Hailiu | China National Tyre Quality Supervision Test Centre | | Tan Feng | China National Tyre Quality Supervision Test Centre | | Ma Liangqing | China National Tyre Quality Supervision Test Centre |
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| Abstract: |
| It was found that the natural frequencies and the vibration modes of the bias tyre were quite different from those of the radial tyre by determining the natural frequencies and the vibration modes of the suspending passenger car tyres with an accelerometer.The natural frequencies were influenced by the inflation pressure and the size of the tyre.The test result showed that the bias passenger car tyre also had more than two natural frequencies and vibration modes.The measured natural frequencies of a suspending tyre could be used to calculate the natural frequencies of the tyre which got touch with the ground.The comfortable ride of the radial tyre was worse than that of the bias tyre at the low speed.Thus，it could be concluded that the suspension of the vehicle had to be redesigned and regulated when the vehicle which used to drive on the bias tyres shifted to drive on the radial tyres. |
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