Self-sustained oscillation can be caused by a low-speed turbulent flow over an open cavity, as well as noise radiation.
低速湍流流经腔体时会引起腔体内部流场自激振荡并向外辐射噪声。
参考来源 - 腔体流动噪声的数值模拟与实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A new approach to the designing of hydraulic vibrating system on the principle of self-sustained oscillation is proposed.
本文提出了一种运用自激振荡原理设计液压振动系统的新方法。
Self-sustained oscillation characteristic of thermoacoustic stack is quantitatively proven based on thermodynamic theory to be negative damped oscillation.
从热动力学理论出发，定量地证明回热器的自激振荡特性为负阻尼振荡。
In the experiment it is found that at a certain external flow velocity and cavity size a strongly self sustained flow oscillation in the cavity would appear.
实验发现，在一定的气流速度和空腔几何尺寸下，空腔内流动会出现强烈的自持振荡。
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