• The applicability of the Helmholtz resonator model in the study of the PER walls' pressure equalization was analyzed.

    基于相关控制方程研究了等幕墙风洞试验缩尺建模相似准则。

    www.boshuo.net

  • The effect of installing the Helmholtz resonator in CA488 engine air intake manifold on engine performances is also analyzed in this paper.

    分析了在CA488进气管装入亥姆赫兹谐振器发动机性能影响

    d.wanfangdata.com.cn

  • Based on the sound absorption mechanism of Helmholtz Resonator, the advantage of soft tube length is fully used in the new structure, and thus the low-frequency noise can be controled easily.

    提出一种新型宽频共振结构结构基于赫姆霍兹共振吸声机理充分利用软管长度上的优势,易于实现低频噪声的控制。

    www.dictall.com

  • The mechanism for low noise asphalt pavement to lower tyre noise is analyzed. A acoustical model is put forward. The resonance frequency of sound wave is analyzed with Helmholtz resonator model.

    分析噪声沥青混凝土路面降低轮胎噪声机理建立低噪声沥青混凝土路面声学模型亥姆霍兹共振器模型分析计算了声波的共振频率

    dict.cnki.net

  • The mechanism for low noise asphalt pavement to lower tyre noise is analyzed. A acoustical model is put forward. The resonance frequency of sound wave is analyzed with Helmholtz resonator model.

    分析噪声沥青混凝土路面降低轮胎噪声机理建立低噪声沥青混凝土路面声学模型亥姆霍兹共振器模型分析计算了声波的共振频率

    dict.cnki.net

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