cavitation noise
英
美
网络 空穴噪声; 空化噪音
双语例句
- Waveform simulation of low frequency line spectrum on propeller cavitation noise Specification for marine metallic propeller
舰船螺旋桨空化噪声低频线谱波形仿真GB/T12916-1991船用金属螺旋桨技术条件 - 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 - 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。 - The B& K accelerometer and hydrophone were used for the measurement of the cavitation noise and vibration at different part of jet pump under different operating modes.
针对液体射流泵的空化噪声与振动进行了试验研究；运用B&K加速度仪和水听器对射流泵各部位在不同工况下的空化噪声与振动进行了测量。 - Comparative research on propeller and laser cavitation noise
激光噪声与螺旋桨噪声的比较研究 - On Acoustic Performance of Measuring Structure for Cavitation Noise
空化噪声量测结构的声学性能研究 - Wavelet analysis of cavitation noise
小波在瞬态空化噪声分析中的应用 - 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。 - It is briefly introduced that a set of high flow cavitation noise measuring system has been used recently.
扼要地介绍了一套最近研制成功的高速水流空化噪声测试系统。 - The effect of cavitation noise radiated from ultrasonic cleaning tank on learning and memory in rats is studied.
探讨了超声清洗空化噪声对大白鼠学习记忆能力的影响。 - The Design of System in Measuring the High Velocity Flow Cavitation Noise
高速水流空化噪声测试系统设计 - A review of bubble collapse and cavitation noise
空泡溃灭及空化噪声研究综述 - Study on Reduction of the Ducted Propeller Cavitation Noise by Air Injection System
用空气喷射装置阵低导管螺旋浆空泡噪声的研究 - The performance of free-field having a surface reflection effect of the cavitation noise can thus be predicted.
于是，对具有反射效应边界附近的空泡噪声的自由声场特性作出了预估。 - 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。 - Theoretical analysis and experimental investigation on reduction of the cavitation noise of ducted propeller by natural air injection
自然通气降低导管螺旋桨空泡噪声试验和理论分析 - Cavitation noise of bubble collapse is analyzed by wavelet transform in the paper.
本文采用小波变换对于空泡溃灭过程中辐射的瞬态噪声进行了分析，得到对应的小波系数随时间和频率的变化图象。 - The Measurements of Background Noise in SSSRI Cavitation and Cavitation Noise of ITTC Standard Propeller Model
船研所空泡水筒背景噪声和ITTC标准螺旋浆空化噪声测量 - The paper concentrates on area of cavitation noise research; the use of scale models for estimating the noise generated by cavitating propellers and hydraulic machinery.
本文集中于研究空泡噪声和使用比例模型来估算螺旋浆和水力机械所产生的噪声。 - The structure characteristics and flow-model of throttling groove were analyzed, and the sound-pressure model of cavitation noise inside throttling valves was predicted.
在对节流槽结构特征及流动模型进行分析的基础上，预测了节流阀内气穴噪声的声压模型。 - Effect of throttling grooves structure on cavitation noise
节流槽结构对气穴噪声的影响 - The essential character of cavitation noise has been analysed.
本文分析了空化噪声的基本特性。 - Influences of Body Speed on Cavitation Noise
物体运动速度对空化噪声的影响 - 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。 - The research on cavitation mechanism shows that nuclei have strong effect on cavitation inception, cavitation development and cavitation noise.
空化机理的研究表明：空化核对空泡的起始与发展以至于空泡噪声都有显著的影响。 - The wavelet method is applied to analyze the transient record of cavitation noise of bubble collapse successfully.
同时引入了小波方法对瞬态的空化噪声信号进行了分析，取得了良好的效果。 - The principle of laser cavitation noise was also Elaborated and the efficiency of the transfor-mation from laser to noise.
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。 - The experimental results of propeller cavitation noise are explained by this spherical bubble theory. Limitation of this theory and further research proposals for this subject are also discused.
用球状泡理论解释了螺旋桨降噪实验的结果，指出了这一理论的局限性及这一课题进一步研究的方向。 - Turbine cavitation detection methods commonly used energy method, high-speed photography, flash frequency of observation and detection methods such as cavitation noise.
水轮机空化现象的常用检测方法有能量法、高速摄影法、闪频观察法和检测空化噪声等方法。 - 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。