An extension of the transfer matrix method to analyzing acoustic resonators with gradually varying cross-sectional area

An extension of the transfer matrix method to analyzing acoustic resonators with gradually varying cross-sectional area
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传输矩阵方法的扩展,用于分析具有逐渐变化的横截面积的声谐振器

DOI:
10.1134/s1063771016060117
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发表时间:
2016-11
期刊:
影响因子:
0.8
通讯作者:
田家金
田家金
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
闵琦;和万全;王全彪;田家金

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前文采用传递矩阵法分析了阶梯式声谐振器的声学特性。本文将传递矩阵方法的应用扩展到分析横截面积逐渐变化的声谐振器。推导了具有四种不同类型逐渐变化的几何形状的声谐振器的传递矩阵和谐振条件:锥形、三角、指数和双曲线。基于导出的传递矩阵,可以导出这些谐振器的声学特性,包括谐振频率、相位和辐射阻抗。与其他基于波动方程和边界条件的解析方法相比,传递矩阵法实现简单、计算方便。
The transfer matrix method was used to analyze the acoustical properties of stepped acoustic resonator in the previous paper. The present paper extends the application of the transfer matrix method to analyzing acoustic resonators with gradually varying cross-sectional area. The transfer matrices and the resonant conditions are derived for acoustic resonators with four different kinds of gradually varying geometric shape: tapered, trigonometric, exponential and hyperbolic. Based on the derived transfer matrices, the acoustic properties of these resonators are derived, including the resonant frequency, phase and radiation impedance. Compared with other analytical methods based on the wave equation and boundary conditions, the transfer matrix method is simple to implement and convenient for computation.
传递矩阵法阶梯式声谐振器的研究
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发表时间: 2014-07
期刊: Acoustical Physics
影响因子: 0.8
作者:
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