载重子午线轮胎噪声机理的室内试验研究
China Rubber Industry（2015）
Abstract
在半消声室内用模拟路面纹理的静音转鼓进行载重子午线轮胎远场、近场和近场声全息噪声试验,并建立了详细的数据分析方案,包含总声压级、噪声频谱、1/3倍频程、1/12倍频程、噪声色差图和瀑布图.对混合型室内噪声的数据分析发现,载重子午线轮胎近场噪声具有指向性特征,接地后端和前端噪声较大,依次向接地侧面减弱,且接地后端大于接地前端.
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Key words
bus radial tire,noise mechanism,truck
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