翼型
- Airfoil;aerofoil;airfoil profile;airfoil shape;airfoil section;wing section
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翼型为各种旋转机械的基础,翼型的选用及设计直接影响到旋转机械的整体性能。
Airfoil profile is the basis of various rotating machinery . The selection and designing have a direct effect on the overall performance .
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采用型函数扰动法表示翼型廓线,以翼型自身噪声水平作为优化目标,将气动特性作为性能约束,把翼型相对厚度作为形状约束,建立了翼型的优化设计模型。
With the airfoil profile described by using shape function perturbation method , taking the aerodynamic characteristics as the performance constraint and the relative thickness of airfoil as the shape constraint , a noise optimization method is set up with the objective to satisfy the lowest self-noise level .
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当进行设计的研究工作后,发现有几种翼型可以用来满足新的性能指标。
As design studies progressed it was found that several airfoil shapes could be used to satisfy the new performance criteria .
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改进EGO算法在跨声速翼型气动优化设计中的应用
Application of the Improved EGO Algorithm in Transonic Airfoil Aerodynamic Optimization Design
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基于NS方程的跨声速翼型多目标多约束优化设计
Multiobjective Optimization Design of Transonic Airfoils with Constraints Based on Navier-Stokes Equations
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应用DES(detachededdysimulation)方法数值模拟了3种不同失速类型的翼型的升力特性。
Detached - Eddy Simulation ( DES ) is applied to three airfoils with different stall types .
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Euler方程与边界层积分方程耦合求解跨音速翼型绕流
Transonic airfoil analysis based on the interaction of Euler and integral boundary-layer equation
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非结构网格多段翼型绕流Euler及N-S方程数值模拟
Numerical Analysis of Multi-Element Airfoil Using Unstructured Grid and Euler and N-S Equations
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基于N-S方程的翼型实验侧壁边界层控制
Side-wall boundary layer removal at airfoil test based on Navier-Stokes equations
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Pareto基因算法多目标翼型优化设计
Multi-objective airfoil optimization using Pareto genetic algorithm
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基于Kriging模型的翼型多目标气动优化设计研究
Multi-objective Aerodynamic Design Optimization for Airfoil Using Kriging Model
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振动翼型跨音速非定常Euler方程数值解方法
Numerical method for solving the Euler equation for unsteady transonic flows over oscillating airfoilss north-western Polytechnical University
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基于N-S方程的翼型结冰数值模拟
A Better Numerical Simulation of Ice Accretion on Airfoil
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在翼型优化设计中,应用Pareto差分进化算法进行了对翼型的多目标优化设计。
In aerofoil optimization design , Pareto differential evolutional algorithm is used for multi-object optimization design . 4 .
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NiAl合金翼型空蚀破坏行为的试验研究
Experimental Study of Cavitation Damage Behaviors of NiAl alloyed Aerofoil
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采用非定常N-S方程的翼型颤振特性分析研究
Analysis of Airfoil Flutter Characteristics
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通过数值求解雷诺平均NS方程,研究了二维翼型的大迎角粘性绕流,并分析了翼型的近场旋涡分离流动特性。
Turbulent flows over an airfoil at high angles of attack are investigated numerically by solving the Reynolds averaged Navier Stokes equations .
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基于2D可压N-S方程,对带扰流板的翼型绕流流场进行非定常数值模拟。
The flowfield around an airfoil with a spoiler is numerically simulated in a time-accurate manner using a 2D compressible Navier-Stokes solver .
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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 .
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具有Gurney襟翼的多段翼型空气动力特性分析
The analyses of aerodynamic characters of multi-element airfoil with Gurney flap
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运用CFD软件,对叶素二维翼型进行了研究,探讨了翼型在不同介质、不同外形结构下的升阻系数和压力情况。
Research on the airfoil using CFD software , investigate the lift / drag ratio and pressure under a variety of media and shape ; 4 .
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FBM模型在栅中翼型云状空化流动数值计算中的应用
Application of a Filter-Based Turbulence Model for Cloud Cavitating Flows Around a Cascade Hydrofoil
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Gurney襟翼对单段翼型动态气动特性的影响
Effect of Gurney flaps on aerodynamical characters of single airfoil
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用不可压缩流动的求解算法,结合WilcoxDC提出的kω模式和kωSST湍流模式,对翼型的动态失速进行了数值模拟。
Dynamic stall of the airfoil is numerically simulated with incompressible flow solver accompanied with the k ω turbulence model proposed by Wilcox D C and the k ω SST turbulence model .
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采用CFD手段对两种采用不同叶片翼型的风机进行整机模拟计算,研究了叶片翼型对风机性能的影响。
The effects of two types of airfoil on the performance of multi-blade centrifugal fan used in floor standing air-conditioner are investigated by using the commercial CFD code fluent .
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本文分别应用Kriging方法和响应面方法进行了翼型气动优化设计。
In this paper , the Kriging method and the response surface method are both adopted in the aerodynamic optimization design of airfoil .
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k-ωSST湍流模型与单方程的SA模型被结合使用,以适应大攻角范围翼型绕流的数值模拟。
K - ω SST turbulence model is combined with SA model to adapt to the numerical simulation of flow around airfoil in large attack angle range .
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本文采用基于余量修正原理的反设计方法,并计入粘性影响,建立了一套基于N-S方程的直升机旋翼翼型的气动设计方法。
Considering viscous effects , an inverse method based on residual correction principle and N-S equations for helicopter rotor aerodynamic airfoils design has been established .
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在一定的条件下,Gurney襟翼可以明显增加翼型的升力系数但不过多增加阻力系数。
Under some condition , Gurney flap can increase lift coefficient and lift drag ratio of the airfoil .
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基于最优控制理论原理和Navier-Stokes方程,研究了气动/几何约束条件下多设计变量的翼型气动优化设计问题。
Based on the optimal control theory and Navier-Stokes equations , aerodynamic design of airfoil with multi-constraint conditions , such as aerodynamic and geometric constraint conditions , is studied .