aeroacoustics

aeroacoustics

1. Three-dimensional(3D)unsteady compressible flow over an open cavity and the relevant aeroacoustics are studied using a hybrid LES-acoustic analogy method.

使用大涡模拟-声学比拟相结合的方法,研究三维开式空腔的非定常可压缩过流及其相关的气动声学问题。

2. Elimination of Short Waves in Computational Aeroacoustics Using a Nonlinear Filter

在计算气动声学中用非线性滤波法消除短波

3. A Low-Dispersion Finite Volume Scheme Applied to Computational Aeroacoustics

应用于计算气动声学的低色散有限体积格式

4. Finally the feasibility of spectral element methods for Computational Aeroacoustics is verified.

最终证明了谱元方法求解计算气动声学问题的可行性。

5. Airframe noise prediction is a major area of research in aeroacoustics at present.

机体噪声预估是气动声学最主要的研究领域之一。

6. aeroacoustics equations

气动声学

7. Keywords aeroacoustics;noise;skewed blade;axial fan;rotating frequency;

气动声学;噪声;掠形叶片;轴流叶轮;旋转频率;

8. Keywords Gas Turbine;Noise Control;Aeroacoustics;

燃气轮机;噪声控制;气动噪声;

9. Loh C Y,Chang S C,Scott J R.Computational Aeroacoustics Via the Space-Time Conservation Element/Solution Element Method[R].AIAA Paper 96-1687.

王伯年,曹伟武.激波在收缩-扩张喷管中位置的解析-数值解[A].中国工程热物理学会热机气动热力学学术会议论文集[C].镇江:中国工程热物理学会,1999.

10. Investigation of Aerodynamics and Aeroacoustics in Air-Conditioner Duct System

空调器风道系统气动与声学特性的研究

11. computational aeroacoustics

计算气动声学

12. Computational Aeroacoustics is a fresh offshoot of Computational Fluid Dynamics.Because of the complexity of acoustic problems,High-accuracy numerical methods are needed.

计算气动声学是近年来在计算流体力学基础上发展起来的一个新的分支，由于气动声学问题的复杂性，必须为计算气动声学发展高精度的数值方法。

13. The spectral element methods has the properties of finite element methods and the accuracy of spectral methods, Applying this method to Computational Aeroacoustics is promising.

谱元方法具有高精度和良好的边界适应性，将其引入计算气动声学问题中很有发展潜力。

14. The gust-cascade interaction noise was numerically simulated using computational aeroacoustics by solving the two-dimensional linearized Euler equations.

采用计算气动声学方法求解二维线化欧拉方程对阵风与叶栅的干涉噪声进行了数值模拟。

15. Hanson D B. AIAA/NASA, 9th. Aeroacoustics Conference, Oct.1984/ Willinmstury Verginia USA.

钱晓南.第三届船舶水下噪声学术讨论会论文集,1989,226.

16. nonlinear aeroacoustics

非线性航空声学