Ship Propeller Broadband Noise Prediction Using the LES and CAA

被引：0
作者：
Chen Yi-hong [1 ]
Liu Zhu-qing [1 ]
机构：
[1] China Ship Sci Res Ctr, Natl Key Lab Ship Vibrat & Noise, Wuxi, Peoples R China
来源：
2016 IEEE/OES CHINA OCEAN ACOUSTICS SYMPOSIUM (COA) | 2016年
关键词：
Propeller noise; Prediction; LES; CAA; TRAILING-EDGE;
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In this paper, a prediction method of marine propeller broadband noise is developed based on Amiet's model. The strip theory is used, and the hydrofoil noise spectrum is predicted using Large Eddy Simulation (LES) methods and Ffowcs Williams- Hawkings (FW-H) equations. Using the noise numerical prediction method, the broadband noise from a propeller working in uniform flow is calculated. Comparison between calculations and model experiments shows that the variation trends of propeller noise spectrum levels are consistent, and the difference in total sound pressure level can satisfy the requirements in engineering prediction.
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页数：4
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