超构连接方式对核电站主控室声学低频降噪性能的影响研究

赵超超; 岳金山; 丁振坤; 李义新; 李奇

doi:10.3724/j.gyjzG25123003

超构连接方式对核电站主控室声学低频降噪性能的影响研究

doi: 10.3724/j.gyjzG25123003

1. 上海核工程研究设计院股份有限公司, 上海 200233;
2. 懿朵信息科技(上海)有限公司, 上海 201108

详细信息

作者简介:
赵超超，硕士研究生，高级工程师，主要从事核能结构研发设计工作。电子信箱：zhaochaochao@snerdi.com.cn

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出版历程
- 收稿日期: 2025-12-30
- 网络出版日期: 2026-11-07

Research on the Influence of Metaconnection Methods on Low-Frequency Acoustic Noise Reduction Performance in Nuclear Power Plant Main Control Rooms

1. Shanghai Nuclear Engineering Research & Design Institute, Shanghai 200233, China;
2. Yiduo Information Technology (Shanghai) Co., Ltd., Shanghai 201108, China

摘要

摘要: 在核电站运行过程中，设备与管道振动易诱发建筑结构振动及噪声辐射，尤其在低频段，对人员健康与设备安全构成显著影响，因此发展一种能够兼顾安全要求与空间限制的新型减振降噪方法尤为重要。基于声学超构材料在低频波动调控方面的优势，提出一种复合超构结构，能够同时对空气声与结构声进行抑制。通过数值仿真与模型试验相结合的方法，系统研究了刚性连接与弹性连接两种安装方式对降噪性能的影响，并完成了关键结构参数的优化。仿真结果表明40邵氏硬度的橡胶垫块更适合主控室低频噪声控制，并据此开展试验设计。试验结果表明：在150~315 Hz低频段，超构材料结构具有良好的降噪效果，其中弹性连接降噪量8.5 dB，刚性连接5.9 dB，弹性连接的降噪效果优于刚性连接。即声学超构材料结构在核电厂低频噪声控制中具有显著优势，弹性连接方式能够更有效地提升降噪效果。
- 核电站 /
- 超构材料 /
- 弹性连接 /
- 刚性连接 /
- 低频降噪
Abstract: During the operation of nuclear power plants， vibration from equipment and pipelines readily induces building structure vibration and noise radiation， particularly in the low-frequency range， which poses significant impacts on personnel health and equipment safety. Therefore， developing a novel vibration and noise reduction method that meets both safety requirements and spatial constraints is of great importance. Leveraging the advantages of acoustic metamaterials in low-frequency wave manipulation， a composite metastructure capable of simultaneously suppressing both airborne and structure-borne sound was proposed. Using a combined approach of numerical simulation and scale-model testing， the effects of two installation methods—rigid connection and elastic connection—on noise reduction performance were systematically investigated， and key structural parameters were optimized. Simulation results indicated that rubber pads with a Shore hardness of 40 were more suitable for low-frequency noise control in the main control room， which guided the subsequent experimental design. Test results demonstrated that the metastructure provided effective noise reduction in the 150-315 Hz low-frequency band， with a reduction of 8.5 dB for the elastic connection and 5.9 dB for the rigid connection， indicating the superior performance of the elastic connection. Acoustic metamaterial structures show significant promise for low-frequency noise control in nuclear power plants， where the elastic connection method can more effectively enhance noise reduction.
- nuclear power plant /
- metamaterial /
- elastic connection /
- rigid connection /
- low-frequency noise reduction

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参考文献(22)

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