A theory on pitch noise of a tire has been developed based on the assumption that noise is approximated by a series of Dirac delta-function. The proposed theory predicts the existence of special lug shapes where tire noise becomes almost zero. In addition a tire noise simulation system is developed based on this theory to predict tire noise from CAD data. The prediction of overall noise of various tires with practical patterns is verified to be in good agreement with the measurement.
Issue Section:
Technical Papers
1.
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Nakajima, Y., 1981, “Theory on Pitch Noise (II),” Internal Report, Bridgestone Corporation.
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by ASME
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