三角翼
- delta wing
-
研究结果显示,切尖三角翼的LCO不仅与结构几何非线性密切相关,而且受到结构材料非线性的显著影响。
The study shows that the LCO of a cropped delta wing is not only closely related to its geometric nonlinearity , but also remarkably affected by its material nonlinearity .
-
双三角翼飞机气动力工程计算研究
Engineering Calculation Research of Aerodynamics for Aircraft with Double Delta Wing Configuration
-
PIV测量非定常自由来流中的三角翼前缘涡
Vortex structure on a delta wing in unsteady free stream via Particle Image Velocimetry
-
后缘喷流对三角翼绕流影响的N-S方程数值分析
Numerical Investigation of Trailing Edge Jet Effects on Flows Around Delta Wing Using Navier-Stokes Equations
-
利用流动显示技术、片光技术及PIV技术,对三角翼面上的各种非定常特性做了研究。
Visualization with light sheet and PIV tests were performed to investigate some unsteady structures over delta wings .
-
三角翼Gurney襟翼增升实验研究
Experimental investigation of Gurney flaps on the lift enhancement of a delta wing
-
选择适当的离散格式和湍流模型求解N-S方程。对三角翼前缘分离流动进行模拟。
The separation flow at delta wing leading edge is simulated using N-S equations , by selecting appropriate discretization methodology and turbulence models .
-
最后应用该方法研究了切尖三角翼的LCO现象,其计算精度明显优于已有结果。
Finally the cropped-delta-wing LCO is computed , and the calculation precision is obviously better than the existing results .
-
在南航非定常风洞中,运用PIV测量技术,研究了非定常自由来流下三角翼前缘涡瞬时涡结构的变化。
The instantaneous vortex structure of the leading-edge vortices on a delta wing in unsteady free stream is investigated via particle image velocimetry in unsteady wind tunnel of NUAA .
-
依据所建模型分析切尖三角翼的颤振和LCO,并与试验值进行比较。
The flutter and the LCO of the cropped delta wing are calculated and the results are compared with existing experimental measurements .
-
在低速实验中,应用激光片光源和CCD摄像系统,对一装有前端襟翼和前缘襟翼的双襟翼74°后掠三角翼进行实时记录与流态显示的试验技术和图像的三维重建。
A recording system of laser sheet visualization comprising laser source and CCD camera was employed for the visualization and real time recording to investigate the flow past a highly swept delta wing equipped with apex flap and leading edge flaps .
-
对60°三角翼和F-18飞机模型进行动导数仿真计算,研究了不同振幅、频率及迎角变化对动导数的影响。
Dynamic derivatives of a 60 ° delta wing and F 18 aircraft model are calculated by this method , and then the effects of the amplitude , the frequency and the change of angle of attack on the dynamic derivatives are studied .
-
耦合三维非定常Navier-Stokes方程与Euler刚体运动方程数值研究80°尖前缘后掠三角翼的机翼摇滚问题。
The unsteady , compressible , full Navier-Stokes ( N-S ) equations and Euler equation of rigid-body dynamics are sequentially solved to simulate the wing rock phenomenon of 80 ° sweep , sharp edged delta wing .
-
在3m低速风洞中研究了70°后掠角三角翼过失速气动特性。
A low speed wind tunnel study was conducted to explore the effects of large amplitude pitching motions on the aerodynamic characteristics of a delta wing with a sweptback angle of 70 ° .
-
在小来流动压情况下,结构几何非线性引起了切尖三角翼的LCO,计算结果和试验值吻合较好。
For lower inflow dynamic pressures , the LCO of the delta wing is caused by structural geometric nonlinearity , and the numerical results correlate well with experimental data .
-
计算结果表明:TVD格式中限制器函数的选取对于三角翼绕流结构的计算结果具有较重要的影响。
The calculated results indicate that the choice of the limiter function in TVD scheme has an important influence on the numerical simulation which is carried out on the delta wing flow structure .
-
采用Harten-Yee的二阶精度隐式TVD格式对N-S方程进行数值模拟,研究了后掠角为65°和70°的三角翼绕流的流场特性。
The flow over delta wing with 65 ° and 70 ° swept at high angle of attack is investigated by solving the three dimensional , compressible Navier Stokes equations utilizing the second order upwind TVD algorithm ( Harten Yee ) .
-
三角翼匀速上仰跨声速非定常流场数值模拟
Numerical Simulation of Unsteady Transonic Flows Around a Pitching Delta Wing
-
快速俯仰三角翼的非定常空气动力实验研究
Experimental Investigation on Unsteady Aerodynamic Characteristics of Rapidly Pitching Delta Wings
-
后掠翼的变型是三角翼。
A variant of the swept-back wing is the delta wing .
-
细长三角翼摇滚运动数值研究
Numerical research on rock characteristic about a slender delta - wing
-
三角翼前缘涡破裂点脉动的实验分析
Experimental analysis on oscillations of vortex breakdown location over delta wing
-
机身边条对双三角翼飞机升力特性的影响
The effects of body-strake on lift characteristics of the double-delta-wing aircraft
-
双三角翼的翼面压力分布与空间涡态相关分析
Correlative Analysis between Pressure Distributions and Vortex Patterns of Double Delta Wings
-
三角翼动态气动特性低速实验研究
Low Speed Experimental Investigation on the Unsteady Aerodynamic Characteristics for Delta Wings
-
双立尾和三角翼之间的气动干扰实验研究
Investigation of aerodynamic interference between delta wings and twin fins
-
三角翼上分离及涡流的数值模拟
Numerical simulation of separation and vortical flows on delta wings
-
动态试验中支架对三角翼涡破碎影响研究
Effect of Support on Vortex Breakdown of Delta Wing in Dynamic Tests
-
三角翼涡破裂非定常特性实验研究
Experimental investigations on the unsteady characteristics of vortex breakdown over delta wing
-
动态三角翼的非定常气动特性和压力分布相关研究
Correlation investigation of unsteady aerodynamics of dynamic delta wings and pressure distribution