| 1. | The principal perturbing forces for launch vehicles, both on the launch pad and in flight, are the aerodynamic loads produced by winds . 发射飞行器在发射台上以及在飞行中的重要扰动力是由风产生的气动载荷。 |
| 2. | The assumption is made that the changes in aerodynamic loading take place so slowly that the structure is at all times in static equilibrium . 假定气动载荷的变化相当慢以至于在所有时刻结构都处于静平衡状态。 |
| 3. | Active vibration control of composite structures induced by aero - buffeting load 复合材料构件气动载荷响应主动控制技术研究 |
| 4. | Based on the generalized dynamic inflow theory and classic non - steady aerodynamic loading theory , a real time model is obtained by establishing wake distortion and decay 在广义动态入流理论的基础上,基于经典非定常气动载荷理论,建立了尾迹畸变和尾迹耗散的实时分析模型。 |
| 5. | At present , many problems , such as what about of its flow field configuration , the distributed characteristic of its flow parameters , pressure load of its inside are waiting for resolving 目前,对可调喷管流动还存在许多需要了解的问题,比如:它的流场结构,它的流场分布特征,它的内部气动载荷特点等。 |
| 6. | A distributed computer control system which is used in an helicopter airscrew multi - channel harmony loading test project is introduced in this paper . the paper analyses the construct and the model of the system 论文结合实际的工程项目,以某型号直升机旋翼气动载荷模拟为研究内容,对加载计算机控制系统的组成、系统数学模型进行分析和研究。 |
| 7. | Electro - hydraulic servo loading system ( ehsls ) simulates the aerodynamic torque acting on the rudders while flying . ehsls can be used to create various types of loading on the rudders in the lab condition to analyze its performance 电液伺服加载系统是模拟飞行器在飞行过程中舵面所受空气动力矩的加载装置,其功能是在实验室条件下复现飞行器舵面所承受的各种气动载荷。 |
| 8. | Compared with non - slung - load flight , additional aerodynamic load , gravity load should be considered in the slung - load system . so the moment to the gravity center , flight mode and the natural frequency will change 直升机吊挂飞行,与直升机非吊挂飞行状态相比,增加了新的气动载荷、重力载荷,和因此产生的对直升机重心的力矩,其飞行运动模式、低频振荡固有频率均发生改变。 |
| 9. | The smart rotor with active trailing edge is a new system for reducing the vibration which can adjust the air load of the blade to actively counteract the main harmonic of the force to the fuselage by controlling the deflection of the trailing edge 主动后缘附翼控制是一种较新的旋翼减振系统,它通过控制后缘附翼的偏转,调节桨叶的气动载荷,实现对机体激振力主要谐波分量的主动抵消。 |
| 10. | Electro - hydraulic servo loading system ( ehsls ) is used to simulate the aerodynamic torque acting on the rudder of missiles , and it is one of the main simulation equipments in hardware - in - loop flight simulation laboratory 电液伺服加载系统是导弹武器系统半实物仿真中模拟作用在导弹舵面上气动载荷的加载装置,它是导弹在实验室内进行半实物仿真的主要设备之一,是飞行器大回路仿真中的重要组成部分。 |