常見例句Inverse Aeroacoustic Problem for a Rectangular Wing. 長方形翼逆航空聲學問題。The aeroacoustic field generated by a transonic two-blade Hartzell propeller was calculated by using Kirchhoff method. 本文采用Kirchhof方法計算雙槳葉Hartzel跨音速螺旋槳的遠場氣動噪聲。It is very significant to obtain the aeroacoustic sources distribution around a vehicle effectively and efficiently. 快速有效的獲得車身周圍氣動噪聲源分布具有重要意義。Furthermore, the resonator can reduced the aeroacoustic noise a little but decreased the flow rate. 不過由于加裝共振器,會使風機之入風口速度降低,因而減少其整體流量;Aeroacoustic governing equations is established for non-concentric perforated mufflers based on one dimensional plane wave theory. 摘要根據管道一維平面波理論對非同軸穿孔消聲器,建立聲學控制方程。Chaos characteristics of the aerodynamic noise are discussed and the aeroacoustic noise signals on helicopter scissors tail rotor is analyzed by the chaos theory. 研究剪刀式尾槳氣動噪聲的混沌特性,并應用混沌理論進行了直升機尾槳氣動噪聲信號分析。 返回 aeroacoustic