| 1. | Full - scale structural testing of rotor blades 发动机转子叶片的全尺寸结构试验 |
| 2. | In this paper , the technic of faults diagnosis in the propeller rotor of wj6 engine is discussed amply 本文在wj6发动机试车振动分析系统的开发中,讨论了wj6发动机转子系统故障诊断技术问题。 |
| 3. | However , the maneuver flight would change the load acted on the aero - engines and then affect its vibration characteristics 然而,机动过载将改变飞机发动机转子系统的受力,进而改变系统的振动特性。 |
| 4. | This dissertation aims to reveal the influence of maneuver load ( including additional centrifugal force and gyroscopic moment ) on the vibration performance of rotors with sfd 本文旨在揭示机动飞机产生的附加离心力和附加陀螺力矩对挤压油膜阻尼器以及发动机转子系统振动特性的影响。 |
| 5. | The ball bearing is widely used in aero - engines . its mechanical properties exert important influence on the dynamic characteristics of rotor systems , especially at high speed 滚动轴承作为航空发动机转子系统广泛采用的一种支承,其力学特性对转子系统的动力特性有重要的影响,尤其是高速下更为显著。 |
| 6. | For the case , we put forward the methods for decreasing vibration at the peak speeds and study the influence of support plan for vibrational character of rotor - support system of the aeroengine 研究降低峰值转速下振动水平的方法及支承方案对发动机转子?支承系统振动特性的影响,得出了有工程参考价值的结论。 |
| 7. | In order to ensure the stable work of fighter planes while increasing their maneuverability , it is necessary to investigate the vibration performance of aero - engine in maneuver flight 为了确保飞机在提高其机动性能的同时还能稳定工作,不发生故障,有必要对机动飞行条件下的发动机转子系统的振动特性进行研究。 |
| 8. | Nowadays , squeeze film dampers ( sfd ) are used to reduce the vibration in many aero - engines , and then their performance in maneuver flight will affect the whole engine 现今,有不少航空发动机都采用了挤压油膜阻尼器来减小发动机的振动,而挤压油膜阻尼器在机动过载的作用下的运动特性将对发动机转子产生重要影响。 |
| 9. | It is concluded that the influences of maneuver flight on the rotor system of an aero - engine are evident , therefore , they should be taken into account during design of the engine 研究结果表明,机动飞行所产生的附加离心力和附加陀螺力矩对发动机转子振动的影响是明显的。因此,在设计战斗机的发动机转子系统时,必须考虑机动飞行的影响。 |