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- The mechanism of reducing aerodynamic drag by acoustic excitation was briefly analyzed. 本文首先简要地分析了声激励减阻机理。
- The aerodynamic drag coefficient of a bus body model is measured in the wind tunnel with the acoustic excitation technique applied. 本文利用内部声激励技术,在风洞中对某厢式客车车身模型进行空气阻力系数的测试。
- Acoustic excitation sources, high order modes and cutoff frequencies of noise were discussed for an annular combustion chamber. 论述了燃烧室的声激励源、环形燃烧室内高阶声模态及其截止频率。
- A further expcrimental investigation of a controllable arti-ficial transition by means of internal acoustic excitation was carriedout in flat-plate boundary layers. 本文对声激发控制边界层转换问题在低湍流度风洞中作了进一步实验研究。
- A low-speed wind tunnel test shows that beneficial effects on enhancing lift can be obtained by using internal acoustic excitation to control the shedding vortices. 二元后台阶低速风洞实验表明,用内部声激励控制脱落旋涡能够获得有利的增升效应。
- The experiments successfully indicated that the transition location of laminar boundary layer can be controlled by internal acoustic excitation with an appropriate input power in a frequency range which is far beyond the Tollmien-Schlichting wave range. 实验结果表明:边界层转捩位置可以用内声激发扰动控制。
- Feature Analysis of Acoustic Excitation Detecting Signals 声激励检测信号的特征分析
- RESPONSE OF CORNER SEPARATION TO ACOUSTIC EXCITATION 角区分离对声激励响应的初步研究
- Random vibration response of an aeronautical thin-shell to acoustic excitation 噪声载荷作用下航空薄壁壳体的随机振动响应
- Perhaps his nerve is naturally too dull to admit of any excitation. 大概他的神经天生就很迟钝以至不容有任何刺激的余地。
- Opened the show with an acoustic set. 不用电子乐器开始演出
- A Simulation study of Stress of Aircraft Structures Subjected to Acoustic Excitation 航空结构声激励应力的仿真研究
- On the mechanism of turbulence suppression in free shear flows under acoustic excitation 声波激励下自由剪流中紊流抑制机理的研究
- Experimental Study on Suppression of Cavity Flow Oscillation by Means of Acoustic Excitation 声激励抑制空腔流激振荡的实验研究
- Investigation on the Mechanism of Enhancing Lift of Acoustic Excitation of Two-Dimensional Airfoil 翼型声激励增升机理研究
- Analysis of Noise Spectrum and Identification of Acoustic Excitation Sources in Annular Combustion Chamber of Aeroengine 航空发动机环形燃烧室噪声频谱分析及声激励源识别研究
- Investigation of characteristics of asymmetry flows and control of acoustic excitation on a slender revolutionary body at high angle of attack 细长体大迎角流动的非对称特性及声激励控制研究
- AC excitation is a good solution to this problem. 交流励磁是一种好解法对这个问题。
- You must have an acoustic problem. 你的听觉一定有问题。
- Perhaps his nerves were naturally too dull to admit of any excitation. 大概他的神经天生就很迟钝以至不容有任何刺激的余地。