[1]王超,张立新,郑小龙,等.LES和无限元耦合方法预报螺旋桨均匀流噪声[J].哈尔滨工程大学学报,2015,(01):91-97.[doi:10.3969/j.issn.1006-7043.201309076]
 WANG Chao,ZHANG Lixin,ZHENG Xiaolong,et al.Prediction of propeller noise in steady flow based on combining LES and I-FEM[J].hebgcdxxb,2015,(01):91-97.[doi:10.3969/j.issn.1006-7043.201309076]
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LES和无限元耦合方法预报螺旋桨均匀流噪声
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年01期
页码:
91-97
栏目:
出版日期:
2015-01-25

文章信息/Info

Title:
Prediction of propeller noise in steady flow based on combining LES and I-FEM
作者:
王超1 张立新2 郑小龙1 魏胜任1
1. 哈尔滨工程大学 船舶工程学院, 黑龙江 哈尔滨 150001;
2. 武汉第二船舶设计研究所, 湖北 武汉 430074
Author(s):
WANG Chao1 ZHANG Lixin2 ZHENG Xiaolong1 WEI Shengren1
1. College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China;
2. The 2nd Wuhan Ship Development Design Institute, Wuhan 430074, China
关键词:
大涡模拟无限元方法结构化网格均匀流螺旋桨水动力性能噪声性能
分类号:
U661.31
DOI:
10.3969/j.issn.1006-7043.201309076
文献标志码:
A
摘要:
为获取水下螺旋桨噪声数值预报的方法,通过大涡模拟(LES)和声学无限元方法耦合,对均匀流螺旋桨进行频域噪声数值预报。通过敞水性能和桨叶表面压力分布的计算结果和试验值的对比分析,证明计算方案的准确性,进而分析了螺旋桨周围流场的脉动压力,获得特征点处各阶脉动压力幅值信息。在对螺旋桨噪声性能进行分析时,从特征点的声压频谱曲线中可以获取螺旋桨各阶叶频声压级峰值信息,且可得知总声压级大小与一阶叶频(BPF)的声压值相近。同时,由声压云图的比较分析可以看出,螺旋桨均匀流噪声主要由单极子噪声和偶极子噪声组成,单极子噪声占主要部分。该方法能够较为准确的预报均匀来流下螺旋桨的水动力噪声,为实际的工程应用提供了一套可行的预测方案。

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备注/Memo

备注/Memo:
收稿日期:2013-9-27;改回日期:。
基金项目:国家自然科学基金资助项目(51309061);中国博士后科学基金资助项目(2012M512133);中央高校基本科研业务费专项基金资助项目(HEUCF40117).
作者简介:王超(1982-),男,讲师,博士.
通讯作者:王超,E-mail:wangchao0104@hrbeu.edu.cn.
更新日期/Last Update: 2015-06-16