噪声与振动控制2016，Vol.36Issue(5)：94-98,5.DOI:10.3969/j.issn.1006-1335.2016.05.020
油船居住舱室噪声预报分析
Prediction and Analysis of Cabin Noise of a Crude Oil Tanker
刘锟 1潘溜溜 1徐智言1
作者信息
- 1. 上海外高桥造船有限公司，上海 200137
- 折叠
摘要
Abstract
In this paper, prediction of cabin noise of a crude oil tanker is discussed. Firstly, Statistic Energy Analysis (SEA) method is introduced. Then, the acoustic model is built by using the VA One software. Properties of the SEA subsystem, such as plate and acoustic cavity are determined according to the design requirement. Especially, sound insulation and deck covering of the specific cavity are correctly applied to the SEA model. The main engine, main generator and ventilation outlet of each room on the deckhouse are considered to be the main noise sources for the cabin noise level calculation. The calculation result shows that number of the modal in each frequency band of the cabin on the deckhouse is all larger than 5, which proves the feasibility of choosing SEA method to carry out the analysis. Finally, noise reduction effectiveness of the floating floor of the cabins, which are seriously affected by the structure-borne noise, is discussed. It shows that, after applying the floating floor, the cabin noise level is significantly reduced and less than the limit value prescribed in the MSC 337(91) standard.关键词
声学/船舶/舱室噪声预报/统计能量分析/降噪Key words
acoustics/ship/cabin noise prediction/statistic energy analysis(SEA)/noise reduction分类
通用工业技术引用本文复制引用
刘锟,潘溜溜,徐智言..油船居住舱室噪声预报分析[J].噪声与振动控制,2016,36(5):94-98,5.
