基于统计能量方法研究主机排放噪声对船舶舱室噪声的影响规律。建立某船舱室噪声预报模型，分析是否考虑主机排放噪声时舱室噪声水平，探究是否需要考虑主机排放噪声对舱室噪声影响。研究表明，考虑主机排放噪声的舱室噪声计算结果更接近测试值，且主机排放噪声是距主机舱较近舱室噪声的重要成分，对于居住室、医护室等对噪声要求较高的舱室应考虑主机排放噪声的影响。
Based on Statistical Energy Analysis (SEA) method, influence of a main engine emission noise on cabin noise is studied. A cabin noise prediction model of a ship is established. Cabin noise level with and without emission noise of the main engine is studied. Effects of main engine's emission noise on cabin noise are also explored. Results show that cabin noise level is more close to tests data when considering the main engine emission noise, and the main engine emission noise is an important component to cabins near to the main engine room. For cabins with strict noise requirements such as living rooms and medical rooms, influence of the main engine emission noise should be considered.
2019,41(7): 35-39 收稿日期：2019-05-10
DOI：10.3404/j.issn.1672-7649.2019.07.007
分类号：TB53
基金项目：国家重点研发计划课题（2016YFC0303406）；总装预研基金资助项目（6140210020105）；国家自然科学基金资助项目（51209052）；中国博士后基金资助项目（2014M552661）；国家自然科学基金资助项目（51679053）
作者简介：任毅(1980-),男,高级工程师,主要研究方向为舰船总体设计
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