船舶管路系统振动噪声研究的理论与实践
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摘要
船舶管路噪声是船舶的主要噪声源之一;在船舶管路系统振动噪声的理论研究中,考虑管路流固耦合作用对于管路系统的低噪声设计和减振降噪器件的研制有非常重要的意义。因此本文着重介绍了管路系统流固耦合14方程及其传递矩阵的建立,此外还介绍了几种管路降噪元件的运用实例。
The noise of pipeline system is one of the main sources of noise of the ship. In the theoretical research of ship pipeline system vibration and noise, considering the pipeline fluid-structure interaction is of great significance for the low-noise design of pipeline system and the development of vibration and noise attenuation devices. Therefore, in this article, a 14-equation model and its transfer matrix are established to describe the fluid-structure interaction behavior of pipelines. Besides, it provides several examples of the application of noise attenuation devices.
引文
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