It is shown that propeller cavitation noise is composed of continual spectrum and separable line spectrum.
结果表明,螺旋桨空泡噪声由连续谱和离散线谱组成。
On the basis of above theoretical model, the spectrum formula of propeller cavitation noise has been derived.
据此理论模型,导得螺旋桨空泡噪声谱的表达式。
The present paper deals with theoretical model of random sequence of exponential attenuate acoustic pulses caused by ship propeller cavitation noise.
探讨舰船螺旋桨空泡噪声指数衰减型随机脉冲序列的理论模型。
In this paper, the experimental investigation and theoretical study on reduction of the ducted propeller cavitation noise by air injection are presented.
本文介绍用人工喷入空气的方法降低导管螺旋浆空泡噪声的试验和理论研究。
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。
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。
Propeller cavitation degrades propeller performance, erodes blade surfaces, produces noise, and causes vibration on the ship hull.
螺旋桨空泡会降低螺旋桨性能,产生空化剥蚀和噪声,从而导致船体振动。
This article elaborated the formation mechanism of propeller cavitation, the noise and the cavitation noise spectrum which produced by the bubbles were analyzed.
阐述了螺旋桨空泡的形成机理,对其产生的噪声及其噪声谱作了分析;阐述了激光空泡噪声的原理,分析了激光产生噪声的机制。
This paper gives the measurement results of the background noise in SSSRI cavitation Tunnel and the cavitation noise of the ITTC standard propeller model.
本文给出了上海船研所空泡水筒的背景噪声和ITTC标准螺旋桨的噪声测量结果。
This article elaborated the formation mechanism of propeller cavitation. , the noise and the cavitation noise spectrum whichproduced by the bubbles were Analyzed.
该文阐述了螺旋桨空泡的形成机理,对其产生的噪声及其噪声谱作了分析;
It is very important to study methods for predicting propeller cavitation and induced fluctuations in order to reduce vibrations and noise on ships.
研究螺旋桨空泡及其诱导的船体脉动压力的预报方法,对于减小其引起的船尾振动和辐射噪声是极其重要的。
Finally the application of the new modeling method to model test of cavitation and noise of propeller working behind is discussed.
最后讨论了新模拟方法在船后螺旋桨空泡与噪声模型试验中的应用。
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。
This article elaborated the formation mechanism of propeller cavitation, the noise and the cavitation noise spectrum which produced by the bubbles were analyzed.
该文阐述了螺旋桨空泡的形成机理,对其产生的噪声及其噪声谱作了分析;阐述了激光空泡噪声的原理,分析了激光产生噪声的转换效率。
This article elaborated the formation mechanism of propeller cavitation, the noise and the cavitation noise spectrum which produced by the bubbles were analyzed.
该文阐述了螺旋桨空泡的形成机理,对其产生的噪声及其噪声谱作了分析;阐述了激光空泡噪声的原理,分析了激光产生噪声的转换效率。
应用推荐