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- An effective multigrid method has been developed to accelerate the Euler solution of transonic flow for a helicopter rotor in hover. 发展了一种加快悬停旋翼无粘流场计算收敛速度的多重网格方法。
- Euler solutions of transonic flow for a helicopter rotor in hover using multigrid method 用多重网格方法计算旋翼跨声速无粘流场
- Aeroacoustic Calculation for Helicopter Rotor in Hover and in Forward Flight Based on FW-H Equation 基于FW-H方程的旋翼气动声学计算研究
- helicopter rotor in hover 悬停旋翼
- The flow field and performance of a helicopter ducted tail rotor in hovering and sideward flight were analyzed using CFD(Computational Fluid Dynamic) technique. 采用CFD(计算流体力学)方法分析在悬停和侧飞时直升机涵道尾桨的流场与性能。
- The acoustic noise generated by the rotate point source, UH-1H rotor in hover and AH-l/OLS in forward flight were calculated, and the computed results from several methods were compared with each other and with the experimental data. 采用旋转点源、UH-1H悬停旋翼、AH-1/OLS前飞旋翼作为算例，对所采用的各种噪声预测方法进行了比较。
- The wake geometry of coaxial rotor and single rotor in hover and in level flight was investigated in the course of water tunnel experiment , and the wake boundary of a coaxial rotor for different advance ratios were investigated as an emphasis . 通过对单旋翼和共轴式双旋翼在水洞中的对比实验 ,研究了在悬停和以不同速度前飞时 ,共轴式双旋翼和单旋翼尾迹形态的共性与区别 ,着重研究了在不同前进比时共轴式双旋翼尾迹边界的形态。
- Numerical Simulation of Rotor Flow in Hover. 悬停下旋翼流的数值模拟。
- Measurement of Unsteady Wake of Rotor in Hover 悬停状态旋翼非定常尾迹测量
- To fly the aircraft in anything other than a hover the control vanes are used to create a force vector to tilt the machine in the desired direction much like a Helicopter rotor. 飞行中的飞机以外的悬停控制叶片被用来创造一个倾斜力向量机在希望的方向就像直升机旋翼。
- Calculations of the induced effect of helicopter rotors on missile trajectory in hover and forward flight 悬停和前飞状态下旋翼在导弹发射线上的诱导影响计算
- On Improving HSI Noise Prediction for Helicopter Rotor in Forward Flight When Flowfield is Partially near Sonic Speed 旋翼前飞气动噪声高效数值算法研究
- Correlation of Helicopter Rotor Tip Vortex Measurement. 直升机旋翼梢旋涡度量的相关。
- Influence of Blade Thickness and Torsion on Flow Field at Low Reynolds Number for Rotor in Hover 浆叶的厚度和扭转对低雷诺数旋翼悬停流场的影响
- Analytical Model of Elastomeric Lag Damper Kinematic Coupling and Its Effect on Helicopter Air Resonance in Hover. 粘弹减摆器几何耦合模型及对直升机悬停空中共振的影响。
- Model Helicopter Rotor Aerodynamics and Acoustics As Measured in Tow Anechoic Wind Tunnels. 在两个无回声风洞中测量时模型直升机旋翼空气动力学与声学。
- Aeroelastic model is developed to analyze aeroelastic stability of helicopter rotor blade with swept tips. 通过建立具有后掠桨尖旋翼气弹稳定性的分析模型,研究后掠桨尖旋翼气弹的稳定性。
- The helicopter rotor blade deicing technique is greatly important to ensure the flight safe- ty. 直升机旋翼桨叶除冰技术对保证直升机飞行安全是十分重要的。
- The influence of blade thickness and torsion on the flow field at low Reynolds number for rotor in a hover is studied with the Chimera grid technique. 摘要运用嵌套网格技术研究了浆叶的厚度和扭转对低雷诺数旋翼流场的影响。
- The adaptive optimal decoupling control method of helicopter rotor concordant loading system was discussed. 摘要研究了直升机旋冀协调加载系统的自适应最优解耦控制问题。
