Design and execute a computational and experimental aerodynamic analysis and design together with members of a team.
和小组成员一起,进行计算空气动力学和实验空气动力学的设计与完成。
For reentry capsules of spacecraft, making up the trajectory in black-out area is a key link of aerodynamic analysis from flight test data.
对于飞船返回舱,黑障区弹道再现是再人飞行试验气动分析工作的重要环节。
Panel Method was used for subsonic aerodynamic analysis, and the Modified Newtonian Impact Theory was used for hypersonic aerodynamic analysis.
亚声速气动力采用面源法计算,高超声速气动力采用修正的牛顿流理论计算。
This paper includes four sections: aerodynamic analysis and calculation, turbulent wind field model, dynamic stall model, develop software with COM.
论文包括四部分:气动分析与计算理论、紊流风场模型、动态失速模型、组件软件开发。
For subsonic aerodynamic analysis, Linearized Velocity Potential Theory is used to evaluate the aerodynamic coefficient, and we can get subsonic aerodynamic model of vehicle by Regression analysis.
在进行亚音速气动分析时,应用线化速度势理论计算运载器的气动力系数,而后进行回归分析,得到运载器亚音速飞行时的气动特性模型。
The fundamental methods for flutter analysis and the current status of aerodynamic derivative identification are reviewed at first in this thesis.
本文首先回顾了大跨度桥梁颤振分析的基本方法和气动导数识别方法的研究现状。
With the increase of speed, aerodynamic problems of such trains are emerging. Aerodynamical analysis has got to be strengthened.
随着速度的增加,高速列车空气动力学问题也显露出来,需要加强对气动特性的分析。
To solve this question and assure the analysis precision, this article USES the analytic method combines the limited difference method, to gain the sensitivity of the aerodynamic parameter.
为解决这个问题并保证灵敏度分析精度,本文提出用解析法与有限差分法法有机结合的方法对气动参数进行灵敏度分析。
With simplified unsteady aerodynamic force mathematical model, method of analysis for the effects of aeroelasticity on the dynamic stability of elastic vehicles is established.
就简化的非定常气动力数学模型提出了分析气动弹性时飞行器稳定性的影响的方法。
The present paper computational simulates the atomization characteristics of the aerodynamic nozzle, and analysis the flow in the nozzle, achieves some useful conclusions.
对气动喷嘴的雾化特性进行了数值模拟,对喷嘴内的流动现象进行了分析,得到了一些有益的结论。
Under cross wind action, vehicle-bridge coupling vibration analysis requires consideration of aerodynamic force parameters of vehicle and bridge deck.
侧向风作用下的车桥耦合振动分析需要考虑相互气动影响的车辆和桥梁各自的气动参数。
Then the aerodynamic pressure field obtained from the analysis of unsteady aerodynamics was transformed to the form of load pressure field which is suitable to the analysis of structure dynamics.
把非定常气动分析给出的压力场,转化为结构动力分析中的载荷压力场形式。
A method of analysis of the effect of aeroelasticity on the stability of elastic vehicles by using a simplified mathematical model of unsteady aerodynamic forces is proposed.
而后就简化的非定常气动力数学模型提出了分析气动弹性对飞行器稳定性影响的方法。
Aerodynamic admittance was an important aerodynamic factor in the analysis of buffeting of Bridges.
气动导纳函数是桥梁抖振分析中的重要气动参数。
The dynamic response analysis of the rotating blade when the aerodynamic and mechanical loads are applied on the blade.
叶片在气动和机械载荷作用下的结构动力学响应分析。
According to the aerodynamic noise analysis of cross flow fans, investigates the mechanism of reducing noise due to the adoption of non-isometric impellers.
根据对贯流风机气动噪声的分析,研究了采用不等距叶轮的降噪机理。
By means of finite difference methods, the numerical analysis is carried out on the static performance of hemispherical spiral groove aerodynamic bearings, and the discussion on the computed results.
运用有限差分法对圆锥形螺旋槽气体动压轴承的静特性进行了数值计算,并对计算结果进行了分析。
Through spectrum analysis of the unsteady aerodynamic forces and moments of each blade cascade, the unsteady aerodynamic interferences between blades were discussed.
对各列叶栅的非定常气动力和气动力矩进行频谱分析,探讨叶列间的非定常气动干扰。
In this paper, a method of aerodynamic calculation and aerodynamic performance analysis for a horizontal axis wind turbine is presented using semi-rigid wake model.
本文用半刚性尾流模型近似表示给出水平轴风轮空气动力性能的分析计算方法。
Through the computation and analysis of unsteady aerodynamic forces loading on the cascades and aerodynamic work, the probability of blade flutter is predicted through the energy method.
通过对叶片表面非定常气动力及其所做非定常气动功的计算分析,采用能量法对叶片颤振与否进行预估判断。
Some aerodynamic laws of aircraft flying near sea surface are given through the analysis of results calculated and tested on a typical configuration.
通过典型外形的计算、试验结果分析,提出了地效区内空气动力的一些规律。
An analysis of flight test results was conducted to explain the effects of winglets on aerodynamic load, control-stability and performances.
本文对翼尖小翼的飞行试验结果进行了分析,试图说明它对飞机的气动载荷、操稳特性及飞行性能的影响。
The analysis of aerodynamic force data shows that differ front shape is very important to aerodynamic force. For example, coach model air drag coefficient can be lowed to 0.5759 from 0.7509.
试验数据分析结果表明,不同客车前部造型对气动力影响非常显著,如通过改善造型可使空气阻力系数由0.7509降为0.5759。
The generalized aerodynamic force required in analysis is calculated by using horse shoe vortex— vibrational pressure doublet grid method, based on theory of subsonic unsteady lifting plane.
在颤振特性分析中所需要的广义气动力是根据亚音速非定常升力面理论,采用马蹄涡—振荡压力偶极子格网法计算的。
For fully unsteady aerodynamic force is calculated with Green's Function method, the results of flutter analysis are accurate.
完全非定常气动力由格林函数方法直接计算,颤振分析结果准确。
The aerodynamic characteristics of a tethered balloon with inverted "Y" fins were estimated by the traditional aerodynamic estimation from the flight dynamics analysis viewpoint.
从飞行力学分析的角度 ,用传统的气动力估算方式对具有倒“Y”型尾翼的系缆气球的气动力特性进行估算 。
So it is quite essential to investigate and analysis wind turbine airfoil aerodynamic characteristic for fully understanding the whole wind turbine aerodynamic characteristics.
所以了解和分析风机翼型的气动特性对风机整体气动性能系统分析显得尤为必要。
Therefore, it is significant to analysis the cable wind loads caused by various aerodynamic measures and the resulting response of the structure.
因此,对斜拉索不同气动措施进行静风荷载及其引起的结构响应进行研究具有十分重要的意义。
Put forward a new method for long-span bridge buffeting analysis which using quasi-steady aerodynamic stiffness and unsteady aerodynamic damping based directly on wind tunnel test.
提出采用准定常气动刚度与基于试验的非定常气动阻尼进行气动修正的大跨度桥梁抖振计算新模型。
Put forward a new method for long-span bridge buffeting analysis which using quasi-steady aerodynamic stiffness and unsteady aerodynamic damping based directly on wind tunnel test.
提出采用准定常气动刚度与基于试验的非定常气动阻尼进行气动修正的大跨度桥梁抖振计算新模型。
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