aeroacoustic相关论文
Aeroacoustic pressure oscillation is one of the important challenges in segmented solid rocket motors with high slendess......
It is of great significance to develop a high-efficiency and low-noise propeller optimiza-tion method for new-generation......
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为提高气动噪声求解效率,Casalino提出了声源视角法,首先详细阐述了该方法,并列举其相比传统延迟时间法的优越之处。该方法主要是从声......
发动机进气道减噪优化设计问题中涉及大量设计变量,使用常规的Kriging模型来求解时计算量巨大,且计算效率低下。为了高效设计低噪......
轴向掠是叶片的径向成型方法之一。本文基于Fluent软件分别对具有前10°、后掠10°和径向0°动叶的三种风扇模型进行......
本文采用声类比法探讨了射流中小尺度湍流远场噪声特性。此声类比理论基于线化欧拉方程及声源互易原理,建立了荧联声源和远场声压的......
为了进一步了解腔体流场的物理特性以及锯齿形扰流片这种被动控制方法对腔体噪声振荡的抑制效果,对马赫数0.85下、长深比为5∶1的矩......
结合试验及数值模拟方法对具有改进型CLOR(CLOR-II)桨尖模型旋翼悬停状态气动噪声特性进行研究。在CLOR桨尖旋翼基础上,兼顾旋翼噪......
在低马赫数条件下,EIF方法可以将流场控制方程和声场控制方程(Hardin方程)分开求解,对振荡圆柱声场及双涡流动结构声场进行数值求解.......
测量了轴流式弯掠动叶和径向动叶在旋转失速工况下的气动噪声和噪声频谱,实验结果表明:弯掠动叶能够降低气动噪声。讨论了弯掠动叶对......
On the purpose of accurate data acquisition for the aeroacoustic testing mostly in open jet test section of aeroacoustic......
Simultaneous measurements of aeroacoustic sounds and wall vibration for exploring the contribution o
In order to understand the contribution of teeth vibration to the production of sibilant/s/, the pre-sent study was desi......