propeller noise

  • 释义

    螺旋桨噪声

数据更新时间:2026-04-19 18:38:13
1、

In this paper an experimental investigation was carried out, and it is proved: no matter whether tip vortex cavitation is visible, narrow band noise peak is connected with the flow near the tip of propeller.

本文用实验证实这种窄带噪声峰与桨叶梢部流动有关,无论梢涡空泡可见与否,都可能出现。

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2、

Experimental Investigations of Influence of Gas Content in Water to Propeller Cavitation Noise

水中含气量对螺旋桨空泡噪声影响的试验研究

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3、

EC-135 Eurocopter helicopters combined with the low noise ducted propeller end of patented technology.

EC-135直升飞机结合欧洲直升机公司的低噪音涵道尾螺旋浆专利技术.

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4、

This article describes the propeller noise tests in JTU cavitation tunnel and some of these test results obtained.

本文介绍上海交通大学空泡筒进行螺旋桨噪声试验研究情况及部份结果。

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5、

Period characteristics of radiated noise at high frequency is investigated by a method based on short time Fast Fourier Transformation, and propeller speed is estimated.

用短时傅立叶分析的方法研究了辐射噪声在高频段时频变化的周期性,估计了目标的螺旋桨转速。

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6、

Make use of the laser-generated cavitation noise to generate false target based on this property, which is simulation of the cavitation noise generated by submarine propeller.

针对这一特征,考虑利用激光光源在远处水下产生空化噪声作为假目标,用来模拟潜艇螺旋桨产生的空化噪声。

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7、

With a low-pitched rumbling noise, the propeller began to rotate.

伴随着隆隆的低沉噪声,螺旋桨开始旋转起来。

《柯林斯高阶英汉双解学习词典》

8、

A time domain method for propeller noise prediction including aircraft fuselage effect

考虑飞机舱壁影响的螺旋桨声场时域预测法

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9、

Study on fluctuating pressure and noise induced by ship propeller

船舶螺旋桨诱导的脉动压力和噪声的研究

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10、

The experiment shows that the design propeller has a lower cavitation noise than the original propeller.

试验表明,用该方法设计的螺旋桨辐射噪声比母型桨有明显的降低.

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