• The advantages and shortcomings of the three methods for the prediction of silencer acoustic attenuation performance are discussed.

    通过算例分析总结三种方法预测消声器声学性能优缺点

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  • The 3-d numerical methods are used to predict the acoustic attenuation performance and flow resistance characteristics of internal combustion engine exhaust silencers.

    使用数值计算方法预测内燃机排气消声器声学性能阻力特性

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  • Therefore, the present thesis will investigate in detail the calculation methods of acoustic attenuation performance of silencers and the acoustic characteristics of perforated elements.

    本文针对消声器声学性能计算方法穿孔元件声学特性开展系统研究

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  • Therefore, the present thesis will investigate in detail the calculation methods of acoustic attenuation performance of silencers and the acoustic characteristics of perforated elements.

    本文针对消声器声学性能计算方法穿孔元件声学特性开展系统研究

    youdao

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