wing characteristics 中文意思是什麼

wing characteristics 解釋
機翼特性
  • wing : n 1 翼,翅膀;鳥;鳥群;飛行,飛翔。2 (飛機)機翼;翼狀物;(汽車的)擋泥板;〈詩常 pl 〉船帆。3...
  • characteristics : 產品性能描述
  1. Design and characteristics on wing of extreme big aspect ratio

    大展弦比夾芯翼大攻角顫振分析
  2. In this paper, some flows around naca 0012 aerofoil, m6 wing and two different blunt vehicles are simulated, the results show that the present algorithm possesses good characteristics and capability for normal mach number and for hypersonic of simple configurations

    通過對naca0012翼型、 m6機翼、鈍頭以及雙鈍錐?柱體的算例驗證,本文能很好的解決一般馬赫數問題,能夠很好的求解簡單外形的高超聲速問題,對于復雜外形飛行器還需要進一步進行研究驗證。
  3. The effects of body - strake on lift characteristics of the double - delta - wing aircraft

    機身邊條對雙三角翼飛機升力特性的影響
  4. Firstly, a representative wind and wave model, which could both simulate the main characteristics of wig over sea waves and be suitable for numerical calculation, is presented. the model completely considers the fully nonlinear effect of wave surface on the wavy air flow, separates the disturbance of wave surface from the wing - air wave interaction flow, and overcomes the numerical calculation difficulties due to the large difference of dimensions between wing and water waves

    首先針對機翼在風浪中的非定常非線性氣動力問題,提出了一個既能夠反映風浪場主要特徵又適合於數值計算的風浪場模型,該模型完整地考慮了波浪表面對氣流場的全非線性影響,使波面對流場的擾動分離出來,消除了機翼和波浪幾何尺度上的巨大差異帶來的數值計算上的困難。
  5. Flow characteristics and its melioration of swept wing body interference

    后掠翼身干擾區流動特性及改善措施研究
  6. As guffey notes, “ a long, slender wing, by its nature, would be lightweight and would provide very good lift and drag characteristics

    高非指出:窄長的機翼本來就比較輕,升力和阻力的特性也相當優異。
  7. First, the repeated structural analyses for static and dynamic characteristics are needed in the integrated optimization of composite wing structures. in this situation, the finite element model ( fem ) is time - consuming, while the continuum equivalent plate model ( epm ) is more efficient and often used

    首先,復合材料翼面結構綜合優化設計需要反復進行結構靜力和動力特性分析,如果採用有限元模型( finiteelementmodel ,簡稱fem ) ,則其工作量太大。
  8. Force measurement in a low speed wind tunnel was conducted to investigate the effects of the height of a distant canard wing on the longitudinal aerodynamic characteristics of a forward - swept configuration

    摘要基於前掠翼鴨式前翼布局的風洞測力實驗,分析了距離主機翼較遠的鴨翼相對于主機翼的高度對布局縱向氣動性能的影響。
  9. This paper has mainly made a research on the aerodynamic configuration design of " w " tailless aircraft and the design idea has been presented here. according to the configuration design requirement of certain uav, aerodynamic configuration design has been carried out and two configuration projects are given out at last : forward - swept wing tailless configuration and " w " tailless configuration. the longitudinal and lateral aerodynamic characteristics are obtained by using two aided soft : ug to build up geometrical models and mgaero to calculate flow field

    本文研究了「 w 」型無尾布局的氣動外形設計,闡述了該布局的氣動設計思想,根據型無人機的總體設計技術指標,進行了氣動外形設計,提出了兩種氣動布局方案:前掠翼無尾氣動布局和「 w 」型無尾氣動布局,利用ug建模軟體和mgaero氣動分析計算軟體計算了兩種布局的縱、橫向氣動性能,分析了前掠翼前緣掠角和翼身融合對氣動性能的影響,計算結果表明, 「 w 」型氣動布局的設計思想是正確的,所設計的「 w 」型無尾氣動布局方案的氣動性能優越,超過了總體設計技術指標。
  10. Abstract : the effects of airfoil geometric parameters on wing " s spacial and polarized scattering characteristics have been systematically revealed. the results of the study indicated that the calculating value of diffraction from trailing edge by using the formula of the straight wedge is very far from experimental results for vertical polarization, and the contribution of thickness of the trailing edge to scattering must be considered in the calculation. the scattering peak of leading edge depends only on radius of airfoil for horizontal polarization. but for vertical polarization, it depends on maximum thickness and the location of maximum thickness. engineering formulas for evaluating all scattering peaks were given in the paper. it is important for the design of low - rcs wing

    文摘:系統地揭示了翼形幾何參數對機翼的空間散射特性、極化散射特性的影響規律.研究發現,在垂直極化狀態下用理論尖劈公式計算機翼后緣繞射的計算結果與實驗結果相差甚遠.提出在垂直極化狀態下機翼后緣繞射的計算必須將后緣厚度考慮在內的見解.對於水平極化,前緣散射波峰只與前緣半徑有關;而對於垂直極化,前緣散射波峰與翼形最大厚度以及最大厚度位置有關.給出前後緣散射波峰的工程估算公式,為低雷達散射截面( rcs )機翼設計提供依據
  11. Furthermore, because rotors are mounted on the tips of the wing, the rotor / pylon / wing aerodynamic interactions are also included in the model. such factors reflect the unsteady and nonlinear characteristics in the model

    此外,傾轉旋翼飛機的旋翼安裝在翼尖,旋翼/發動機短艙/機翼之間的氣動干擾是建模的一個難點。
  12. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法,研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量,採用多變量數值尋優方法,在戰術技術指標及相關幾何約束條件下,對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能,還改善了結構的受力情況,與工程實踐吻合
  13. Attenuates slower than the c. e., when the wing fly high enough, the c. e. is the main effect to the aerodynamic characteristics. 3. the larger the chord, the stronger the c. e. and w. e

    飛行高度較低時,波動效應和曲壁面效應對機翼的氣動力都會產生很大的影響,兩者之間存在較強的藕合效果;但是飛行高度較高時,綜合的結果主要體現了波動效應的特徵。
  14. Three models are employed to analyze the aerodynamic characteristics of a wing above sea - wave. those are ( 1 ) curve surface effect ( c. e. ), ( 2 ) wavy air motion effect ( w. e. ) and the coupled effect a. e

    研究了曲壁面效應,波動效應以及壁面和波動綜合效應三種影響模式對二維和三維機翼在風浪中飛行時的氣動力性能的影響規律,指出了二維和三維機翼氣動力特性的共性和區別。
  15. In order to predict hydrodynamic characteristics a computational system is developed including determination of the pressure distribution on a wing section by use of the conformal mapping method and panel method respectively and of the flow in boundary layer according to the thin shear layer approximation ( tsl ) for navier - stokes equation approach. the wing sections of naca4412 and naca0012 are applied to test the computational system. the numerical inspection shows that the panel method with better precision and the momentum and the displacement thickness of boundary layer can be used to complete this calculation

    本文分別用守屋的保角變換法和基於源匯渦分佈的面元法,建立了計算槳葉表面壓力分佈的數學模型;應用納維-斯托克方程的薄層近似理論模式和有限差分數值方法,建立了計算機翼表面邊界層內部流動的數學模型;應用槳葉表面邊界層內部粘性流動和外部勢流流動在邊界上的匹配演算法,建立了槳葉表面二相流流動的計算方法和相應的計算機程序。
  16. Based on the mechanism of slipstream interaction, described in this thesis is firstly the interaction of the propeller slipstream with the wing 、 fuselage and horizontal tail. subsequently, the changes in lift 、 drag and pitching moment are derived, giving an engineering model for the prediction of the increments in the aerodynamic characteristics caused by the interference between the propeller slipstream and the other parts of aircraft. this method offers a powerful means to the calculation of the aerodynamic interaction between the propeller and the aircraft, providing reliable data for the design of and aerodynamic calculation on propeller - powered aircraft

    本文以滑流干擾的機理為出發點,研究了螺旋槳滑流與飛機機翼、機身、平尾組合體之間的相互影響,推導出滑流引起的飛機升力、阻力和俯仰力矩的變化,給出了滑流干擾對機體氣動特性影響的工程估算方法,為研究螺旋槳與飛機部件之間的相互干擾提供了有力的工具,為以螺旋槳發動機為動力的飛機的設計和氣動計算提供可靠的依據。
  17. At the aquarium, which hosts about 37, 000 animals of 750 species, now is the chance to meet the limited winter season s " ice fairy clione ! " clione is a mysterious neature that appears off the coast of hokkaido, and it s unique characteristics are its lovely shape and the angel - wing - like action of its fins

    Clione是到訪北海道沿岸的稀有生物,它的鰭如同天使的羽毛,游起來的姿勢和動作異常可愛。在clione出現的鄂霍茨克海中生息的許多其他海洋生物也將展示。
  18. Researches and analyzes aircraft assembly design task, such as assembly methods, assembly action and assembly direction etc. summarizes the characteristics and workflow of wing assembly design. 2

    調研並分析了裝配關系、裝配動作、裝配方向等飛機裝配的主要內容,總結了機翼裝配的特點及流程; 2
  19. Applying this dissertation, the aerodynamic characteristics of flapping wing can be calculated, the effects of every factor can be analyzed and some qualitative instructions can be given

    運用本文可以計算撲翼的氣動特性及分析各參數對撲翼氣動特性的影響,進而指導撲動翼微型飛機的初期設計。
  20. 5. effects of unsteady flows on the aerodynamic characteristics are also analyzed. the results of this dissertation are useful for the further investigations of three - dimensional flapping wing

    對于非定常不可壓流動,分析了運動參數對翼型氣動特性的影響,為進一步研究繞三維撲翼的非定常流動打下基礎。
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