A numerical method is presented for predicting unsteady transonic aerodynamic flow about aircraft wings with control surface.
本文介绍一种带操纵面机翼的非定常跨声速流的有限差分计算方法。
Research results of the cold aerodynamic flow characteristics of a bluff-body flame stabilizer mounted on the outlet of a tangential burner are reported.
本文主要介绍在直流式燃烧器出口加装钝体稳燃器后的冷态空气动力特性的研究成果。
Some typical aerodynamic flow patterns that related to industrial furnaces have been successfully photographed by using the helium bubble tracing technique.
本文利用氦气泡示踪技术成功地对工业炉中流体流动模型进行摄象。
Based on the calculation of aerodynamic flow field, overcooled water droplets trajectories and energy equation, surface temperatures of the anemometer under various conditions were obtained.
通过对空气流场、过冷水滴运动轨迹的计算和能量方程的求解，得到了多种状态下的风速管表面温度。
Compared with the spacecraft instrumentation, the ground air disturbance, the unsteady aerodynamic flow on crossing event and inside tunnel impose more challenges on the head design of HSR trains.
与航空飞行器相比，高速铁路由于还要面临地面气流的扰动，两车交会时气体的震荡，以及车体通过隧道时的气流变化，因此高速列车的头型设计比飞机更具挑战性。
Along with the deep development of study, the microjet technology will be possibly applied to control the aerodynamic flow of the high speed aircraft surface and the thrust vector of rocket engine.
并指出，随着研究工作的深入，该项技术还可望用于高马赫数飞行体表面气体流动控制、火箭发动机推力方向控制等。
Fuel consumption and pollution might be reduced by smoothing traffic flow and running vehicles close enough to each other to benefit from aerodynamic drafting.
车流通畅，相互紧随行驶的车辆能利用前车产生的较小的空气阻力，这些都可能减少油耗和污染。
Aerodynamic parameters of the two cascades are measured by a five-hole probe at different positions and ink trace flow visualization is conducted on blade surfaces.
在不同位置采用五孔探针测量了两种叶栅的气动参数并在叶片表面做了墨迹流动显示。
It is of importance in aircraft design to analyze this flow and aerodynamic characteristics by means of CFD.
采用CFD的方法对这种流动及气动特性进行分析在飞行器设计中具有重要的意义。
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。
According to the obtained results, the behavior of the separation flow and the effects of negative incidences on the aerodynamic characteristics of cascade are analyzed.
根据计算结果对大负攻角条件下叶栅二维分离流动的特点以及攻角对叶栅气动特性的影响进行了分析。
For investigating the aerodynamic character of the turbine cascades, understanding the detail flow in turbine cascades, the computational investigation was applied on some type turbine guide vane.
为了详细研究涡轮叶栅的气动特性，深入了解涡轮叶栅流道内的气体流动，对某型涡轮导向叶栅内的流场结构进行了数值模拟。
The change rules of aerodynamic parameters including lift coefficient, drag coefficient and pitch moment coefficient have been analyzed when Angle of attack and fuel flow rate is changed.
考虑了不同飞行攻角、不同燃料流率下气动参数，包括升力系数、阻力系数和俯仰力矩系数的变化规律。
Numerical simulation of the flow field around the oscillating ideal flat plate is presented to assess the aerodynamic derivatives.
提出了一种数值模拟振动的理想平板绕流场，并提取其气动导数的方法。
Experiment and engineering approach have been applied to research aerodynamic characteristics of rarefied transitional flow around sphere-bicone configuration.
采用风洞试验和工程计算相结合的方法，对球双锥类外形的稀薄过渡流区气动特性进行了研究。
The range equipment for the investigation of the hypervelocity aerodynamic properties and flow field of explosively formed projectile(EFP) models is described.
本文描述的是研究爆炸成型发射弹（EFP）模型的流场及超高速空气动力特性所用的弹道试验设备；
Subsonic vortical flows over a slender body at different angles of attack were simulated numerically, and the aerodynamic characteristics of asymmetric vortical flow were also investigated.
运用数值方法模拟了细长体在不同攻角条件下亚音速绕流的背涡结构，探讨了非对称涡流的气动力特性。
The impact of altitudes and detachment distance on the structure of flow field and the aerodynamic properties is examined.
分析了高度及分离距离的变化对流场结构及气动力特性的影响。
A new three-dimensional aerodynamic stability model for an axial flow compressor to study the effects of radial disturbance on the rotating stall is presented.
给出了考虑压气机径向扰动对失速影响的轴流压气机三维气动稳定性模型。
The flow characters and the requirement for aerodynamic performance of modern large steam turbine exhaust hood, and their several effects on the steam turbine are discussed in detail.
本文详细讨论了现代大功率汽轮机排汽缸的流动特点对其气动性能的要求及对机组的各种影响。
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。
The neglect of density flow ratio effect can lead to errors in aerodynamic design.
如不注意密流比效应，可能导致设计错误。
All of the aerodynamic force must be produced in the absence of any incident flow, meaning lift can only be produced by the powered reciprocating motion of the wing.
所有的空气动力都必须在缺乏任何迎流的情况下产生，意味着只可能通过翼的有动力作用的往复运动来产生提升。
There is a larger effect of flow Angle of attack caused by high altitude wind on aerodynamic load and flight environment in rocket flighting.
高空风引起的气流攻角对火箭飞行中的气动载荷和飞行环境有较大的影响。
In addition, the pressure and velocity in cooling fan flow field are analyzed and the relations between flow rate, rotation speed, blade number and aerodynamic noise of cooling fan are studied.
同时，对风扇流场的压力和速度进行分析；研究了风扇流量、风扇转速、扇叶数和气动噪声相互之间的关系。
This paper concluded that the fuel changes led to the flow change, in turn led to the change in the aerodynamic performance of the turbine part, and energy loss changed.
通过分析得出，燃料热值变化导致了流量变化，继而导致了涡轮部分的气动性能发生变化，能量损失也发生了变化。
The leading edge vortices are important factor to control the flow field around the slender-wing and to influence the aerodynamic characteristics of the wing.
细长翼翼面上方的前缘集中涡是控制机翼绕流和影响机翼气动力特性的主要因素。
It is mainly important that the flow fields are simulated with a certain precision, as to aerodynamic optimization design in this method.
采用本文方法进行气动优化设计，流场计算要求有较高精度。
The influence on flow structure and aerodynamic of a slender by sweep wing at high Angle of attack was studied.
研究了在大迎角下，后掠翼对细长体绕流结构和气动力特性的影响。
The influence on flow structure and aerodynamic of a slender by sweep wing at high Angle of attack was studied.
研究了在大迎角下，后掠翼对细长体绕流结构和气动力特性的影响。
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