Application of a Multipole Secondary Source for Propeller Active Noise Control

被引:1
|
作者
Kusni, Muhammad [1 ]
Soenarko, Benjamin [2 ]
Djojodihardjo, Harijono [3 ]
机构
[1] Univ Putra Malaysia, Fac Engn, Dept Aerosp Astronaut, Upm Serdang 43400, Selangor, Malaysia
[2] Univ Putra Malaysia, Fac Engn, Dept Engn Phys, Upm Serdang 43400, Selangor, Malaysia
[3] Univ Putra Malaysia, Fac Engn, Dept Aerosp Engn, Serdang 43400, Selangor, Malaysia
关键词
Active Noise Control; multipole source;
D O I
10.4028/www.scientific.net/AMM.564.135
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The commercial feasibility of active noise control (ANC) is very promising due to its capability beyond passive noise control (PNC). To some extent ANC becomes a complement of PNC. The active noise reduction is also capable and beneficial in reducing noise selectively. However, the active noise reduction using a conventional secondary source can become very complicated if a significant noise level reduction is required, since a large number of secondary sources will be needed. The active noise reduction is also less effective for reducing high- frequency noise. With such perspectives, a novel approach has been developed using a multipole secondary source to address the problems mentioned. In addition, the multipole secondary source will be used for numerical simulation of noise reduction in of propeller noise source in a free field.
引用
收藏
页码:135 / +
页数:2
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