acoustic resistance

The method of computational fluid dynamics ( CFD) and test has been used to study the fluid dynamics and acoustic performances of resistance muffler.

本论文用计算流体动力学（CFD）和试验法研究抗性消声器的流体动力学特性和消声特性。

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A standing wave thermoacoustic engine connected with an RC ( acoustic resistance and acoustic capacitance) load was simulated with linear thermoacoustics to study the influence of load impedance on the performance of the thermoacoustic engine.

为了探索负载的阻抗特性对热声发动机性能的影响，利用线性热声理论，对驻波型热声发动机驱动阻容负载进行了数值模拟。

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It was experimentally proved for the first time that the maximum acoustic power output can be transferred to the load when the acoustic resistance of RC load equals to its acoustic capacitance impedance.

首次通过实验验证了当声阻与容抗相等时，热声发动机向阻容负载传递的声功率最大。

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Opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component.

声音在通过一个表面时受到的阻力；声阻是声阻抗的实部，声抗是声阻抗的虚部。

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The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure.

利用声辐射阻力矩阵和振动面上的速度矢量预报了结构声辐射的总功率。

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The computed and experimental results showed that maximal acoustic power can be transferred to the load when the acoustic resistance of the RC load is equal to its acoustic capacitive impedance.

计算和实验结果表明，当负载的声阻与容抗相等时，热声发动机向阻容负载传递的声功率最大，此时，负载入口处的压力振幅和压比最小，板叠热端温度最高；

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When the acoustic resistance of the load is fixed, oscillating frequency, heating temperature and input power to RC load will increase along with the increase of the length of the pressure amplifier in a certain range.

在负载的声阻固定的情况下，一定范围内振动频率、加热温度、负载入口声功随着压力放大器长度的增大而增大；

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On the linear acoustic resistance of an orifice in an infinite thin plate

关于无限薄平板中圆孔的线性声阻

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Characteristic extraction of acoustic signals emitted from resistance spot welding process based on independent component analysis

基于独立分量分析的点焊特征声音信号提取

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Equivalent Specific Acoustic Resistance of Sound Absorbing Materials

吸声材料的当量声阻率

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Under the conditions of different relative densities of sand and different vertical pressures, the variations of acoustic emission and tip resistance during the penetration were investigated.

针对砂土于不同相对密度与垂直应力之条件，探讨音波反应、锥尖阻抗在贯入过程之变化。

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