1) aeroacoustics
[,ɛərəuə'ku:stiks]
气动声学
1.
Numerical Simulation Study about Aeroacoustics in Shear Flows;
剪切流中气动声学的数值模拟研究
2.
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。
3.
This scaling law points out that similar propellers in aeroacoustics must satisfy three conditions: equal advanced ratio; equal Mach number; Reynolds number of propeller is higher than critical number.
从气动方程和声学方程两方面共同考虑,结合螺旋桨气动声学风洞实验研究的特点,推导出几何相似螺旋桨风洞实验中应模拟的相似参数。
2) aero-acoustic noise
气动-声学噪声
3) computational aeroacoustics
计算气动声学
1.
Study on the high-accuracy compact-finite-difference schemes for computational aeroacoustics
计算气动声学中的高精度紧致差分格式研究
2.
By solving the two-dimensional unsteady Reynolds averaged Navier-Stokes(URANS)equations,the flow-induced oscillation and sound generation are investigated with a computational aeroacoustics approach.
通过求解二维非定常雷诺平均Navier-Stokes方程,对亚音速情况下长宽比为L/D=2的空腔流动进行了计算气动声学数值模拟研究。
3.
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。
4) CAA
计算气动声学
1.
The time accurate near flow field data are numerically simulated by a Computational Aeroacoustics (CAA) technique.
近流场时间精确数据通过计算气动声学(Computational Aeroacoustics,CAA)技术数值模拟获得,声远场信息则通过FW-H方程对近流场内的可穿透积分面进行积分获得。
2.
Based on this, a new WENO difference scheme which based on Dispersion-Relation-Preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics (CAA) problems has been implemented and compared in order to test capability of wave capturing; In addition, WENO schemes generally do not converg.
本文研究了高阶精度加权基本无振荡(WENO)格式及其在双曲守恒律方程中的应用，在此基础上作了两个方面的工作：一是针对高频声波问题构造出一种基于保色散关系(DRP)的WENO有限差分格式，并对计算气动声学(CAA)问题的代表性算例进行了大量数值实验，比较了该格式捕捉波数的能力；另外，针对高阶WENO格式在处理Euler方程的接触间断时精度有所降低的问题，研究了利用界面追踪技术Level Set方法和高阶激波捕捉WENO格式相结合的一种守恒追踪方法，并且给出有代表性的密度滑移面问题的算例，得到一致高阶精度的数值模拟结果。
5) inverse aeroacoustic problem
气动声学反问题
1.
WT5BZ]An inverse aeroacoustic problem on rotor/stator interaction is investigated,which aims at reproduction of the unsteady pressure distributions on the stator blade according to the sound pressures at a limited number of points in space.
探讨了通过测量空间有限点声压来反演静叶表面压力分布的转子 /静子干涉气动声学反问题。
6) aerodynamic-aeroacoustic performance
气动-声学性能
1.
The experiments of aerodynamic-aeroacoustic performance in axial fans in non-self-stimulated and self-stimulated domain are carried out.
本文通过对非自模化和自模化区域内的两组轴流动叶试验风机的气动－声学性能的实验研究，得到了非自模化和自模化区域内的气动－声学相似性。
补充资料：QF-60型准轨气动自翻车
QF-60型准轨气动自翻车
QF一60型准轨气动自翻车
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