The Estimation of the Sound Power Radiating from a Peripherally Fixed Rectangular Plate Subjected to Acoustic Excitation (1st Report, Derivation of Estimation Formulae and Application to a Plate Subjected to a Normal Plane Acoustic Wave Excitation)

Nobuyuki IWATSUKI; Kouichi MORIKAWA; Iwao HAYASHI

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The Estimation of the Sound Power Radiating from a Peripherally Fixed Rectangular Plate Subjected to Acoustic Excitation (1st Report, Derivation of Estimation Formulae and Application to a Plate Subjected to a Normal Plane Acoustic Wave Excitation)

机译：周边固定矩形板在声激励作用下辐射的声功率的估算（第一份报告，估算公式的推导和在平面声波激励下的应用）

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This paper describes the estimation method of sound power radiating from a peripherally fixed rectangular plate which is subjected to a sound excitation. The forced vibration of the plate which is excited by a distributed force has been theoretically solved by using modal analysis with Rayleigh- Ritz method. The basic equation for estimation has then been shown, and the equations of the frequency response of three parameters-total loss factor, radiation loss factor and input power for estimating sound power-have been derived. For a practical instance, the sound power radiating from a peripherally fixed rectangular steel plate, which was excited by the normal plane acoustic wave, has been estimated. The estimated frequency responses of the sound radiation power coincided well with the measured values obtained by the sound intensity method. This proposed method is hence effective to estimate the sound power radiating from a plate subjected to an acoustic excitation.

机译：本文介绍了一种从周围固定的矩形板辐射的声功率的估计方法，该矩形板受到声激励。理论上，通过使用瑞利-里兹（Rayleigh-Ritz）方法进行模态分析已经解决了由分布力激发的板的强迫振动。然后给出了估算的基本方程，并推导了总损耗因子，辐射损耗因子和用于估计声功率的输入功率这三个参数的频率响应方程。在实际情况中，已经估计了从周向固定的矩形钢板辐射的，被法向平面声波激发的声功率。声辐射功率的估计频率响应与通过声强法获得的测量值非常吻合。因此，该提出的方法有效地估计从经受声激发的板辐射的声功率。

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来源
《日本機械学会論文集. C編》 |1999年第632期|107-114|共8页
作者
Nobuyuki IWATSUKI; Kouichi MORIKAWA; Iwao HAYASHI;
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正文语种 jpn
中图分类机械学（机械设计基础理论）;
关键词
Noise; Airborne Noise; Noise Estimation; Acoustic Excitation; Modal Analysis; Rectangular Plate; Rayleigh-Ritz Method;

机译：噪声;航空噪声噪声估计;声激励;模态分析矩形板瑞利-里兹法;

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机译：带有实心轴和实心圆柱的圆板辐射的声功率的估计和测量（第一报告，估计声辐射功率的基本理论）
2. Estimation and measurement of the sound power radiated from a circular plate with a solid shaft and a solid cylinder (2nd report, estimation and measurement of sound radiation power) [J] . Heng Kang, Iwao Hayashi, Nobuyuki Iwatsuki 日本機械学会論文集. C編 . 1997,第605期

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3. Estimation and Measurement of the Sound Power Radiating from a Circular Plate with a Solid Shaft Subjected to a Three-Dimensional Load [J] . Iwao HAYASHI, Nobuyuki IWATSUKI, Atsushi HAYATA JSME International Journal. Series C, Mechanical Systems, Machine Elements and Manufacturing . 1995,第3期

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4. Analyses of dynamic response and sound radiation of sandwich plate subjected to acoustic excitation under thermal environment [C] . Yuan Liu, Yueming Li 13th International conference on fracture . 2013

机译：热环境下夹层板在声激励作用下的动力响应和声辐射分析
5. The Estimation of the Sound Power Radiating from a Peripherally Fixed Rectangular Plate Subjected to Acoustic Excitation. 1st Report, Derivation of Estimation Formulae and Application to a Plate Subjected to a Normal Plane Acoustic Wave Excitation. [O] . Nobuyuki IWATSUKI, Kouichi MORIKAWA, Iwao HAYASHI, 1999

机译：从声学激发的外周固定矩形板估计声功率辐射。第一报告，估算公式的推导和应用于经常平面声波激发的板。
6. Methods for Computing Radiation Damping and the Vibratory Response of Fluid Loaded and Acoustically Radiating Finite Rectangular Plates Subject to Turbulence Excitation - Option 4 [R] . Leibowitz, R. C. 1972

机译：计算受湍流激发的流体加载和声辐射有限矩形板的辐射阻尼和振动响应的方法 - 选项4

The Estimation of the Sound Power Radiating from a Peripherally Fixed Rectangular Plate Subjected to Acoustic Excitation (1st Report, Derivation of Estimation Formulae and Application to a Plate Subjected to a Normal Plane Acoustic Wave Excitation)

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