noise radiation

Its application shows that it is effective to control the noise radiation of fan shell and reduce noise by forty percent.

应用表明控制蜗壳声辐射的效果好，相对降噪率达40%。

We found that burning noise first passes through intake cover, along the intake pipes to the air-intake filter, and through air filter and intake throat, then eradiate out-side, which is one of the major way for the burning noise radiation.

发现燃烧噪声透过进气盖，沿着进气管道传到空滤器，通过空滤器和进气口向外辐射是燃烧噪声辐射的又一主要途径。

The unsteady Loading noise generated by interaction of a front rotor wake with an aft rotor in a counter-rotating ( CR) propeller is analyzed and the noise radiation formulae are derived.

本文着重研究了反旋桨扇前排转子尾流与后排转子干涉形成的非定常负荷噪声，并与试验结果作了对比。

Take a certain type vibrating conveyor for example, this paper do some research on vibration slot about noise radiation by using finite element method and boundary element method, the research shows that the main source of noise and the radiation condition of the vibration slot.

以某型号振动输送机为例，通过有限元和边界元相结合，对振槽进行了噪声辐射研究，了解了振槽噪声的主要来源与辐射状况。

Vibration isolating theory is adopted as a measure of reducing diesel engine's noise radiation.

介绍了隔振作为柴油机.噪方法的基本原理,描述了该方法实施的基本步骤.

Analysis of noise radiation of a strongly pulsating tailpipe exhaust by the method of characteristics

尾管中强脉动排气噪声辐射的特征线解

Analysis of noise radiation of ball grinder for thermal power plant

火电厂球磨机筒体噪声辐射分析

On the cutting motivation conditions, air layer between two metal layers is flowed to-and-fro, which can absorb a part of motivation energy, so it leads to low noise radiation.

当金刚石工具在切割激励的条件下，基体之间的空气层在振动的作用下来回地流动，由于夹层中间的空气流动，吸收了一部分振动能量，从而导致较低的噪声辐射。