Calculation of sound pressure level of marine propeller in low frequency

被引：16

作者：

Gorji, Mohsen ^{[1
]}

Ghassemi, Hassan ^{[2
]}

Mohamadi, Jalal ^{[1
]}

机构：

[1] Malekashtar Univ Technol, Dept Marine Engn, Esfahan, Iran

[2] Amirkabir Univ Technol, Dept Ocean Engn, Tehran, Iran

来源：

JOURNAL OF LOW FREQUENCY NOISE VIBRATION AND ACTIVE CONTROL | 2018年 / 37卷 / 01期

关键词：

Marine propeller; sound pressure level; hydrodynamic performance; NOISE; PREDICTION; GENERATION;

D O I：

10.1177/1461348418757884

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The research performed in this paper is carried out to calculate the sound pressure level of the marine propeller by Reynolds-Averaged Navier-Stokes solver in low frequencies band. Noise is generated by the induced trailing vortex wake and induced pressure pulses. The two-step Fflowcs Williams and Hawkings equations are used to calculate hydrodynamic pressure and its performance as well as sound pressure level at various points around the propeller. The directivity patterns of this propeller and accurate explanation of component propeller noise are discussed. Comparison of the numerical results shows good agreement with the experimental data.

引用

页码：60 / 73

页数：14

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