Prediction of Non-Cavitation Propeller Noise in Time Domain--《China Ocean Engine

排行榜 收藏 打印 发给朋友 举报 来源: 《China Ocean Engineering》 发布者:cjk3d
热度0票 浏览10次 【共2条评论】【我要评论 时间:2011年12月11日 13:05

1S-_Ke C5Q)|0Prediction of Non-Cavitation Propeller Noise in Time Domain水利论文W }n{{!?[

水利论文b4l"vx-iu"O b

叶金铭 熊鹰 肖昌润 毕毅水利论文?s6N"c M5Q(f

{-Orm*P/t$u0【摘要】:The blade frequency noise of non-cavitation propeller in a uniform flow is analyzed in time domain. The unsteady loading (dipole source) on the blade surface is calculated by a potential-based surface panel method. Then the time- dependent pressure data is used as the input for Ffowcs Williams-Hawkings formulation to predict the acoustics pressure. The integration of noise source is performed over the true blade surface rather than the nothickness blade surface, and the effect of hub can be considered. The noise characteristics of the non-cavitation propeller and the numerical discretization forms are discussed.

F QGw:U4t h+mx0 水利论文!N _,k&F-H

【作者单位】:

GG1u?.] sf0

)i$t-O2FZ Xy CZ0College水利论文/v#l v/rpA:q8f

Wp }F~0【关键词】:

o q%d7t8I){js0

PPg;m3lu9kp0propeller; surface panel method; noise; time domain水利论文8_"Z0k ~kP7~

水利论文t;D v;L6HA.N

【基金】:supported by the National Natural Science Foundation of China (Grant No. 51009145)水利论文/Am+o/G&PD

水利论文 a:sYC/il

the Research Foundation of the State Key Lab of Ocean Engineering (Grant No. 0811)水利论文q:gj9po5`0F

水利论文 }jd Cy6gk{

the Research Foundation of the Ministry of Education Key Laboratory of High Speed Ship Engineering (Grant No. HSSE1004)

tB3r&t7i0K3@]0 水利论文/JcfTo#[

the Natural Science Foundation of Naval University of Engineering (Grant No. HGDQNJJ10010)水利论文%l)v T]J+J a

!JmS:\NG0【分类号】:U664.33水利论文JFu"e"yh`kK

DGgzT6kJrd0【正文快照】:水利论文*D)v,M5K(I{-^

水利论文 \~Is#JA Dc v

1. Introduction A propeller is the main underwater noise source of a ship. As the propeller rotates in a non-uniform wake field behind a ship, the unsteady force on the propeller will lead to discrete tonal noise. Predicting and controlling propeller noi水利论文e'}9nzDg!g3c

下一篇:Numerical Simulation of Viscous Cavitating Flow Around A Ship Propeller--《China
上一篇:Experimental Researches on Reflective and Transmitting Performances of Quarter C
水利论文安徽省电信网友 [dlsr90xc] ip: 117.70.*.*
2016-09-23 13:28:12
The mission was successful. La tuvo el ecoe <a href="http://www.authenticbroncosprostore.com/Orange-Von-Miller-Broncos-Jersey/">Von Miller Jersey</a> ndoscopio con que le fu? perforado el es?fago ?. The mission was successful. are you single and wondering why it seems so easy to find any man to go out with you for a date or two.Unfortunately,Von Miller Jersey, most of us will look at the idea of that 'dr
水利论文安徽省电信网友 [mlia0t9c] ip: 117.67.*.*
2016-09-24 02:12:17
Just after all, for many years girls were informed to complete Mich <a href="http://www.footballraidersofficial.com/women-amari-cooper-jersey/">Amari Cooper Authentic Jersey</a> ael Kors self exam <a href="http://www.footballraidersofficial.com/women-mario-edwards-jr-jersey/">Raiders Mario Edwards Jr Jersey</a> inations of their breasts, but not too long ago that tips was discontinued following a substantial research found it completely ineffective at minimizing the death price from breast most cancers. Admission for Grad <a href="http://www.footballraidersofficial.com/women-sean-smith-jersey/">Raiders Sean Smith Jersey</a> u
查看全部回复【已有2位网友发表了看法】

广告投放

广告投放