涡轮螺桨发动机与涡轮喷气发动机十分相似。
对该螺桨调速系统进行了理论分析和实验研究。
Theoretical analysis and experiments have been done for the propeller regulating system.
这也是建立螺桨噪声向舱内传播模型的重要依据。
This is also an important basis to establish transmission Mode of Propeller noise to cabin.
涡轮喷气发动机和涡轮螺桨发动机更适用于飞机。
The turbojet and the turboprop are much more satisfactory for airplanes.
本文用试验模态分析技术研究了螺桨桨叶振动特性。
The vibration characteristics of propeller blades have been investigated by using experimental modal analysis technique.
涡轮螺桨发动机的无因次性能参数是三个变量的函数。
The"non dimensional"engine performance parameter of turbo propsis a function of three variables.
本文介绍螺桨飞机舱内噪声的地面模拟方法和主动控制实验。
This paper presents the analogized methods and the active control experiments of the cabin noise for a propeller airplane.
螺桨毂盖，机头整流罩某些飞机上装于螺旋桨叶毂上的整流罩。
A fairing fitted over the hub of the propeller in some aircraft.
利用本算法对一模型螺桨转子和一实际螺桨转子进行了分析计算。
A model pro-peller rotor system and a real propeller rotor system have been analyzed using the algorithm.
某型飞机螺桨调速系统中的压力膜盒曾产生破损事故，导致发动机空中停车，影响飞机正常飞行。
A break fault of pressure bellows has occurred in the propeller regulating system of a certain type of airplane. This fault led to the engine stop in the sky, influencing the airplane's flying safety.
在一架运七试验机上，激振器和扬声器分别被用来模拟由螺桨旋转在舱内引起的结构和气动噪声。
In a Y7 test airplane, the cabin noise is analogized by an exciter to structure-borne noise and by a loudspeaker to air-borne noise.
张力研究表明，宝塔烷的键张力要比不能稳定存在的小螺桨烷小得多，说明了宝塔烷骨架的刚性及稳定性。
Bond strain in pagodanes is much less than in small propellanes, which are not stable. This can explain the rigidity and stability of pagodane framework.
张力研究表明，宝塔烷的键张力要比不能稳定存在的小螺桨烷小得多，说明了宝塔烷骨架的刚性及稳定性。
Bond strain in pagodanes is much less than in small propellanes, which are not stable. This can explain the rigidity and stability of pagodane framework.
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