通过旋转多孔圆筒进行声辐射

Proceedings of Xth International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory Pub Date : 1900-01-01 DOI:10.1109/DIPED.2005.201621

O. Piddubniak, N. Piddubniak

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引用次数: 3

摘要

研究了被液体饱和并绕其对称轴旋转的多孔圆柱声辐射的二维问题。在描述多孔圆柱的动力学状态时，采用Bowen理论，并引入孔隙率作为内参数，满足演化型方程。考虑了被煤油饱和的砂质圆筒在空气中旋转的数值例子。

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Sound radiation by rotating porous cylinder

The two-dimension problem of sound radiation from the porous circular cylinder saturated by a liquid and rotating around its axis of symmetry is investigated. For the description of the dynamical state of the porous cylinder the Bowen's theory is used, in accordance of which the porosity is introduced as the inner parameter, satisfying the equation of the evolution type. The numerical example for a case of sandy cylinder, saturated by the kerosene, rotating in air is considered.

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Proceedings of Xth International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory

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