1) fan noise
风扇噪声
1.
Bandwidth influence on frequency spectrum analysis of high speed fan noise;
高速风扇噪声的频谱分析中带宽的影响
2.
As the bypass ratio of turbofan engine is more and more high,fan noise is a more important part to the overall turbofan engine noise.
随着飞机广泛使用的涡轮风扇发动机涵道比的不断提高,风扇噪声在飞机总噪声中占有越来越突出的地位。
3.
Influence of Fan Noise on Engine Noise;
试验结果表明,风扇噪声主要是宽频带噪声,并得出了在不同频 率范围风扇噪声对发动机噪声的影响。
2) air shaft noise
风井噪声
1.
This paper introduces the features of air shaft noise, the condition of air shaft noise before reduction noise, the goal and requirement of reduction noise and main noise sources control.
介绍了风井噪声的特点、降噪前风井的噪声状况、降噪的目标和要求以及主要噪声源噪声控制。
3) wind tunnel noise
风洞噪声
4) wind noise
风噪声
1.
Large eddy simulation(LES) was applied to calculate the transient external flow field,then the Lighthill-Curle acoustic theory was used to predict the wind noise level.
对某乘用车风噪声进行了模拟研究。
5) ventilating noise
通风噪声
1.
This paper presents several feasible methods for controlling the noise from induction motors by analyzing the electromagnetic and ventilating noise, verifies the me-thods through study and test,and proves the methods are feasible taking one motor as example.
从电磁噪声和通风噪声两方面进行分析,对异步电动机噪声控制提出了几种行之有效的方法,并通过研究及试验,对所提方案进行了验证,同时以一台电机为例,证明所提出的措施是切实有效的。
6) fan noise
风机噪声
1.
Directed at the problem that the testing data of fan noise becomes distortion viable during throttle governing, the flowing state property s numerical simulation is done in throttle governing pipe field about computational fluid dynamical by finite elements software ANSYS, and analyses the structure parameters influence to fan noise tesing.
针对以进口节流调节方式进行风机噪声测试易引起测试数据失真这一问题,采用流体动力学方法利用有限元分析软件ANSYS对风机进口节流调节管段流场特性进行了数值模拟,分析结构参数对风机噪声测试的影响,为进口管道结构参数的确定和改进提供了依据。
补充资料：春风扇微和
【诗文】：
木德生和气，微微入曙风。暗催南向叶，渐翥北归鸿。
澹荡侵冰谷，悠扬转蕙丛。拂尘回广路，泛籁过遥空。
暖上烟光际，云移律候中。扶摇如可借，从此戾苍穹。
【注释】：
【出处】：
全唐诗：卷368-8
木德生和气，微微入曙风。暗催南向叶，渐翥北归鸿。
澹荡侵冰谷，悠扬转蕙丛。拂尘回广路，泛籁过遥空。
暖上烟光际，云移律候中。扶摇如可借，从此戾苍穹。
【注释】：
【出处】：
全唐诗：卷368-8
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条