哈尔滨工程大学学报2025，Vol.46Issue(5)：839-847,9.DOI:10.11990/jheu.202312023
无人潜航器声学导流罩流噪声特性研究
Study on the flow noise characteristics of acoustic domes for unmanned underwater vehicles
摘要
Abstract
To address the issue of flow noise affecting the detection performance of the acoustic array mounted on the back of unmanned underwater vehicles,the flow noise characteristics of three acoustic dome structures—back-end perforated dome,fully open dome,and fully closed dome—were studied.First,the renormalization group k-ε turbu-lence model was used for steady-state calculations.Afterward,the steady-state results were used as initial values for unsteady calculations,conducted using the large-eddy simulation model to obtain the flow field information.Finally,the acoustic analogy equation(FW-H)was applied for acoustic calculations to obtain the sound field information.The error between the flow noise of the platform simulated by this method and the experimental value is approximately 10%.Comparative analysis shows that the platform equipped with a fully enclosed dome exhibits better flow noise per-formance,with each array element demonstrating good consistency.The error is within 1%,effectively reducing the in-fluence of flow noise on the detection performance of the acoustic array.Compared with the rear-end perforated dome platform,the azimuth estimation accuracy improves by more than 95%.These results provide a valuable reference for the design of acoustic array domes mounted on the back of unmanned underwater vehicles.关键词
无人潜航器/流噪声/湍流模型/导流罩/声学特性/声学阵/探测性能/大涡模拟Key words
unmanned underwater vehicle/flow noise/turbulence model/flow deflector/acoustic characteristics/acoustic array/detection performance/large eddy simulation引用本文复制引用
师俊杰,尹子琦,孙大军..无人潜航器声学导流罩流噪声特性研究[J].哈尔滨工程大学学报,2025,46(5):839-847,9.基金项目
国家重点研发计划(2023QYXX). （2023QYXX）
