一种易于实施的实证方法,用于估计在佛罗里达州的车过程中水下声音传输损失
Raphael Crowley1, Moses Bosco1, Amanda Schaaf2
1School of Engineering, University of North Florida, Jacksonville, Florida 32224, USA.
The Journal of the Acoustical Society of America
|December 17, 2024
概括
工程师现在可以使用新的实证模型预测佛罗里达州的车造成的水下噪声. 这种工具有助于估计传输损失,而无需进行广泛的声音测量,特别是对于混凝土堆.
科学领域:
- 环境声学环境声学
- 土木工程 土木工程是指土木工程.
- 海洋生物学 海洋生物学
背景情况:
- 桥梁建设会产生大量的水下噪音,影响海洋生态系统.
- 预测水下音响传播从驱动对于环境影响评估至关重要.
- 现有的模型可能无法完全捕捉到佛罗里达州等特定环境中声音传输的复杂性.
研究的目的:
- 开发一种基于经验的模型,用于从堆驱动的水下传输损失.
- 为工程师提供一个实际的工具来预测水下噪声水平.
- 为了减少在施工过程中需要进行广泛的现场声音测量.
主要方法:
- 在佛罗里达州的桥梁建设期间,从84个杆驱动器收集了水下噪音数据.
- 开发了一个传输损失的经验模型,使用根平均平方 (RMS),峰值和声音暴露水平 (SEL) 值.
- 使用独立数据集和研究中的精选数据验证了模型.
主要成果:
- 开发的模型在特定数据条件下有效地复制了报告的传输损失系数值.
- 当数据与开发数据匹配并仅限于强大的数据集时,模型性能最好.
- 该模型显示了在佛罗里达州典型的堆驱动场景中作为工程师设计工具的潜力.
结论:
- 经验模型提供了一种有用的方法,用于预测佛罗里达州车造成的水下噪声.
- 该模型的局限性是公认的,但其适用于该地区常见的堆驱动条件的适用性很高.
- 该工具可以简化水下建筑项目的环境监测和工程设计.
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