气动性能

端壁收缩对环形叶栅气动性能影响的数值研究

Numerical Study of the Effect of Endwall Contouring on the Aerodynamic Performance of an Annular Nozzle Cascade

离心叶轮几何形变对气动性能的影响多级轴流压气机变几何扩稳优化方法研究

Influence of Centrifugal Blade Deformation on Impeller Aerodynamic Performance Method of optimization of a stator vane setting in multistage axial-flow compressors

H型截面吊杆气动性能的风洞试验

Wind Tunnel Experiment on the Aerodynamic Performances of H-shaped Booms

改进的BP神经网络技术在平面叶栅气动性能实验中的应用

Application of improved neural networks to cascade aerodynamic experiment

立轴V形风力机气动性能的优化

Research on Optimization of aerodynamic performance of V-shaped vertical axis wind turbine

重复使用运载器气动性能CFD研究

CFD Study of Aerodynamic Performance of Reusable Launch Vehicle

本文用FLUENT软件模拟了结冰后NACA0012翼型周围流场的变化，并与结冰前NACA0012翼型的气动性能进行了对比。

The flow field around NACA 0012 airfoil with software Fluent was simulated , to compare the correspondent aerodynamic performance variation before and after icing .

将许多相同的MEMS器件组成阵列，构成自适应结构控制飞机气动性能已成为MEMS研究在航空领域的主要发展方向之一。

Self-adapting structure for the aerodynamic control , which arrayed by a lot of the same MEMS devices , became the important issue in the AERO-MEMS field .

600MW汽轮机调节级喷嘴气动性能试验研究

Aerodynamic Performance Test of Governing Stage Nozzles for 600 MW Steam Turbine

应用CFD方法研究了两级重复使用运载器上升段和轨道器再入段的气动性能。

The aerodynamic performance of a tandem two-stage-to-orbit ( TSTO ) reusable launch vehicle ( RLV ) and its reentry orbiter are studied through employing computational fluid dynamic ( CFD ) method .

对过渡段支板不同改进方案和E3原方案进行了流场计算、气动性能比较及结构可行性分析。

Calculations of flowfield , analyses and comparisons of performances and mechanical structures of two improved trust programs of transition duct and the E3 original design have been made .

最后应用FLUENT软件对新设计的风力机作气动性能预测，并与同类型的商用风力机进行对比，考察并检验新设计的风力机性能是否满足设计要求。

Finally FLUENT software applications for the new wind turbine design for the aerodynamic performance prediction , and the same type of commercial wind turbine compared to inspect and test the new design of the wind turbine is to meet design requirements .

利用数值求解二维不可压缩Navier-Stokes方程，研究了在两种拍动基元运动中，模型翼动态柔性变形对其气动性能的影响。

A computational fluid dynamic study , based on 2-D incompressible Navier-Stokes Equations , is presented to investigate the aerodynamics effects of time-changing wing flexible deformation in its flapping . Two elementary motions of the wing flapping , i. e.

DF-9型及其改型高速机车和双层客车气动性能试验

The aerodynamic behaviour test of the DF-9 type and its Retrofit for high speed locomotive engine and the double-decker carriage

研究结果表明：在中心线起爆与端面起爆方式下的MEFP均能形成初速大、攻角小、气动性能良好的EFP。

The result indicates that it have the high elementary invite 、 the small angle of attack and well pneumatic steady shape of EFP in the MEFP warhead with the centre line detonation and the plane detonation .

试验结果及其分析表明，采用ICAS方法可以方便地获得主要气动性能指标优于现代常规轿车的实用车身造型，同时也验证了该方法的先进性与实用性。

The testing results have proved that car body styling with better aerodynamic performances than ordinary modern cars can be conveniently achieved by using the ICAS method , thus revealing its advantages and practicability .

应用现代螺旋桨升力面元方法计算冲压空气涡轮的气动性能，叶片采用单层涡模型，尾涡采用与Goldstein假设一致的刚性尾涡，将螺旋马蹄尾涡视为开口涡环以便于编程。

The modern propeller lifting surface method has been applied to calculating the performance of Ram Air Turbine , and a single layer vortex model is adapted to the blade , the wake is modeled to rigid cylinder wake coincided with Goldstein hypothesis .

作为优化基础的气动性能计算部分，采用了Goldstein理论为基础的片条理论，计算结果与实验数据比较表明，性能计算方法是可用的。

As the basis of optimization , the strip theory based on Goldstein theory is applied to prediction of the propeller aerodynamic performance . The comparison of calculated results with experimental data shows that , the strip theory is appropriate to the optimization .

采用有限体积法求解Faver平均N-S方程，对微射流改变绕流圆柱的气动性能进行数值模拟。

The Faver-averaged N - S equations and k - ? model are solved by using the finite volume method , and a numerical emulation is done for the micro-jet actuators in modifying the aerodynamic performance of a cylindrical body .

响应近似模型分别采用了二次多项式和kriging方法来构造，结果表明由本文设计的前后体外形结构简单，不仅能确保推进系统的工作效率，而且具有更好的气动性能。

The quadratic polynomials and Kriging method are employed to construct the response surface separately , Numerical results indicate that the forebody and afterbody designed by us is of simple configuration , not only can it ensure the efficiency of propulsion system , but also have a better aerodynamic performance .

为分析某型风扇的低雷诺数效应，采用Wassell半经验方法和三维数值模拟方法对该型风扇的高空气动性能和流场特性进行了分析和研究。

In order to analyse the effect of low-Reynolds number on the performance of some fans , Wassell semi-empirical method and 3D numerical simulation method have been employed to study the aerodynamic performance and flow field structure of the fan .

利用遗传算法对形成的目标函数进行优化，从而得到具有良好气动性能的翼型。

A good aerodynamic performances airfoil is built under genetic algorithm .

模拟结果显示，结冰对气动性能影响较大。

The results indicated that ice had adverse impact on aerodynamic .

掠叶片对涡轮叶栅气动性能的影响

Effects of swept blade on the aerodynamic performance of turbine cascade

涡轮低压导向器优化前后气动性能对比实验研究

Comparison of Turbine Low Pressure Guide Vane before and After Optimization

叶片正弯对扩压叶栅气动性能的影响

Effects of blade positive curving on aerodynamic performance of compressor cascades

跨音速全位势方程的机翼气动性能计算

The aerodynamic performance computation of wings using transonic full potential equation

叶根倒角对离心叶轮气动性能的影响

Influence of root fillet on the aerodynamic performance of centrifugal impeller

风力发电机叶片设计与气动性能仿真研究

Simulation study on Blade Design and Aerodynamic Function of Wind Tur-bine

横风作用下敞车的气动性能研究

Study on the Aerodynamics Performance of Gondola Car under Cross Wind