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针对悬挂式水鸟的流噪声计算分析

ZHANG Yu,YU Dapeng,XIAHOU Mingsheng,LIU Song,SUN Haijiao

Naval Architecture and Ocean Engineering（2022）

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Abstract
对流噪声进行预报,分析其是否会干扰物探船物探作业的开展.基于Lighthill的声类比理论,以悬挂式水鸟为研究对象,采用计算流体力学方法计算分析水鸟周围的流场分布情况,得到壁面上的脉动压力;将结构表面的脉动压力作为声学边界条件,采用边界元计算方法计算分析水鸟的流噪声分布情况.结合工程实际,通过对计算结果进行分析,认为在给定的工况下,流噪声基本上被环境噪声所湮没,可忽略其对物探船物探作业的影响.
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Key words
geophysical prospecting vessel,acoustic analogy theory,flow noise,computational fluid dynamics,boundary element method
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