| 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. | Using local piston theory based on cfd to solve hypersonic unsteady aerodynamic loads , the hypersonic aerothermoelasticity is simulated in time domain 在时间域内实现了高超音速热气动弹性的仿真。 |
| 4. | One does this by redistributing the aerodynamic load along the wingspan or by incorporating the vortices coming off the horizontal stabilizer 为了造成这种结果,一个办法是沿著翼展重新分配空气动力负载,或是设法利用机尾水平稳定翼所产生的涡流。 |
| 5. | 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。 |
| 6. | Load simulator was an important simulation system in hardware - in - loop flight simulation laboratory , which could simulate aerodynamic loads acting on flight vehicle , such as unmanned aerial vehicle , planes 负载模拟器是半实物仿真实验室中模拟无人机等飞行器在飞行中舵面所受空气动力载荷的重要设备。 |
| 7. | 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。 |
| 8. | Because these projectiles attain hypervelocity within the atmosphere and are subjected to enormous heating as well as aerodynamic loads , the survivability of the front region of projectile wing is very important for designer to consider 由于这类弹丸在大气中高速飞行,并受到剧烈的气动加热及空气动力负荷的作用,因此,弹翼前缘部的生存能力就成为弹丸设计中必须要考虑的问题。 |
| 9. | Redundant force , which is produced through position disturbance , is the most important problem facing aerodynamic loading system . so how to minish the redundant force by selecting proper control strategy is a main aspect discussed in this paper 加载系统最为关键、也是最难解决的问题就是如何减小多余力,这也是评价加载系统品质的一个重要的指标,因此,如何通过控制策略来减小多余力是本文主要考虑的问题。 |
| 10. | Electro - hydraulic servo loading system ( ehsls ) is an important simulation system in hard ware - in - loop flight simulation laboratory , which can simulate aerodynamic loads acting on flight vehicle , such as missiles , planes . its performance of test is important on the design of flight vehicle 电液伺服负载模拟器是半实物仿真试验室中模拟飞行器在飞行中舵面所受空气动力载荷的重要设备,它的试验能力高低对飞行器设计起着重要作用。 |