Kappel桨与传统螺旋桨噪声对比试验

宋晗; 王睿; 熊鹰

doi:10.3969/j.issn.1673-3185.2015.05.015

Kappel桨与传统螺旋桨噪声对比试验

海军工程大学舰船工程系, 湖北武汉 430033

详细信息

作者简介:
宋晗,男,1985年生,硕士生.研究方向:舰船流体动力性能.E-mail:119031125@qq.com;王睿,男,1990年生,博士生.研究方向:舰船流体动力性能

通讯作者:
熊鹰,男,1958年生,博士,教授.研究方向:舰船流体动力性能

中图分类号: U661.1
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出版历程
- 收稿日期: 2015-03-24
- 刊出日期: 2015-09-30

Contrast experiments on the propeller noise of the Kappel propeller and the conventional propeller

Department of Naval Architecture Engineering, Naval University of Engineering, Wuhan 430033, China

Kappel桨与传统螺旋桨噪声对比试验宋晗，采用知识共享署名4.0国际许可协议进行许可。

摘要

摘要: 为检验Kappel桨的噪声性能,在海军工程大学空泡水洞进行背景噪声测量及2种桨模噪声对比试验.本次试验共设计16组工况,分别测量2种桨在无空泡和有空泡时的噪声.由测量结果分析可知,海军工程大学空泡水洞的声学性能满足试验要求,噪声信号在1~20 kHz范围内可获得较高的信噪比.无空泡时,Kappel桨与传统桨的辐射噪声相当;在相同转速空泡数σ_n下,Kappel桨的空化辐射噪声高于传统螺旋桨的,同时观察其空泡形态,与传统螺旋桨相比Kappel桨的空泡形态要为剧烈,表明在空泡性能方面Kappel桨要低于传统螺旋桨,在Kappel桨的设计过程中应综合考虑螺距与拱弧的关系以改善Kappel桨的空泡性能.
- 噪声测量 /
- Kappel桨 /
- 空泡水洞
Abstract: To test the noise performance of the Kappel propeller, background noise and propeller noise contrast tests are carried out in the NUE cavitation tunnel. Both wet condition noise and the cavitation noise of the two propellers are measured in the tests under sixteen different working conditions. The analysis based on the measurement results indicates that the acoustics performance of the NEU cavitation tunnel satisfies the requirements of the tests, and higher signal-to-noise ratio can be achieved in the frequency range between 1 kHz and 20 kHz. The SPL of the Kappel propeller noise equals to the conventional propeller noise under the wet condition. With the same cavitation number, the SPL of the Kappel propeller cavitation noise is higher than that of the conventional propeller. Meanwhile, the pattern of the Kappel propeller cavitation is more precise than that of the conventional propeller. It is concluded that the cavitation performance of the Kappel propeller is poorer than that of the conventional propeller. To improve the cavitation performance, the relationship between pitch and camber should be comprehensively considered in the process of Kappel propeller designing.
- cavitation noise /
- Kappel propeller /
- cavitation tunnel

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参考文献(13)

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