| 1. | Identification of helicopter rotor power transfer coefficient
直升机旋翼功率传递系数确定方法 |
| 2. | A new method for predicting high - speed impulsive noise generated by a helicopter rotor
预测直升机旋翼气动噪声的新方法 |
| 3. | For example , helicopter rotors are now double - taped to reduce wear from the sand
比如，直升机的旋浆采用了双重密封以减少沙尘的磨损。 |
| 4. | Analysis of kinematics and parameters for a nonlinear hydraulic damper of helicopter rotor
直升机旋翼非线性液压减摆器几何耦合及参数影响分析 |
| 5. | Model experiment and damping identification for aeroelastic stability of helicopter rotor with elastomeric lag damper
带粘弹减摆器旋翼系统气弹稳定性试验与阻尼识别 |
| 6. | The unsteady flow around helicopter rotor in forward flight was numerically simulated by solving 3 - d euler ' s equations
采用三维非定常欧拉方程数值模拟了旋翼前飞非定常流动。 |
| 7. | The method of eigenvalue analysis is used to investigate the ground resonance stability of the helicopter rotor / body coupled system with two connections of dampers
采用特征分析法计算了两种减摆器连接形式的直升机地面共振稳定性。 |
| 8. | “ this discovery has potential applications not only in airplane wings but also in airplane propellers , helicopter rotors and ship rudders , ” howle notes
郝威也说：这个发现的应用将不限于机翼，还有飞机的推进器、直升机的旋翼和船只的方向舵。 |
| 9. | By means of dual - time stepping method and moving grids technique , we solved the 3 - d unsteady euler ' equations for helicopter rotor in forward flight , and obtained the near - field hsi noise
为了多桨旋翼旋转、变距等复合运动的准确描述，采用了多块分区运动网格技术。 |
| 10. | An analytical model is developed for the dynamic stability analysis of helicopter rotor / fuselage coupled systems with general connections or inter - blade connections for the nonlinear elastomeric lag dampers
摘要建立了粘弹减摆器不同连接形式时的旋翼机体耦合动稳定性分析模型。 |
