wing flow 中文意思是什麼

wing flow 解釋
機翼繞流
  • 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...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  1. The potential flow theory is then applied to the overlap of the slipstream and the flow over the wing

    用位流理論來處理螺旋槳滑流與機翼繞流的迭加。
  2. Boeing wants to use existing wing and tail control surfaces that shift up and down about 20 degrees in a coordinated fashion to disrupt the vortical flow

    波音公司則利用現成的機翼與機尾控制面,讓它們互相協調、上下移動20度,以擾亂渦流。
  3. 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。
  4. 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
  5. Experimental investigation on unsteady flow fieldabout a coupled pitching - rolling delta wing

    滾擺耦合復雜流場試驗研究
  6. 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。
  7. The interior temperature distribution and ablation model of projectile wing is established from general transmitting heat differential equation ; at the same time, the heat flow density and pressure distribution model of projectile wing is also established

    從一般形式的導熱微分方程出發,逐步建立了彈翼內部溫度分佈和燒蝕的數學計算模型;與此同時,建立了彈翼表面的熱流密度和壓力分佈的數學模型。
  8. Numerical simulation of viscous complicated flow field around wing - in - ground - effect craft

    地效翼船復雜流場的計算與分析
  9. Many test cases are calculated to verify the above study. the cases are either real or standard testing models, including multi - element airfoil, wing - body configuration, cone / cylinder missile model and 3 - d high - lift systems, etc. the results of present calculation are in good agreement with experiment data, and show flexibility and accuracy of the approaches. base on the cartesian grids, this thesis has targeted the development and integration of many algorithms and techniques such as adaptive refinement, omni - tree data structure, hybrid grid method, etc. an analysis software and research methods are designed and developed for the steady - unsteady and viscous - inviscid flow complex systems and configuration

    7 .運用上述研究成果和結論,進行了大量算例的實驗驗證,外形范圍包括多種標模與型號,涉及多段翼型、 m6機翼、細長體模型、翼身組合體、兩段機翼增升標模、帶縫翼和襟翼的三段增升翼身組合體等復雜外形,計算結果均與實驗吻合良好,充分說明了本文發展的各種演算法、流場求解、網格生成方法的正確性和魯棒性。
  10. This deforming method coupled with ale euler solver is applied to simulate unsteady transonic flow about oscillating airfoil ( 2 - d ) and oscillating rigid rectangular wing ( 3 - d ). computational results are in good agreement with experimental data

    本文將網格變形方法與數值解算器耦合起來求解了二維振動翼型繞流和三維振動矩形機翼繞流,計算結果與實驗結果一致,證明本文的數值方法具有較高的準確性。
  11. This induced flow produces a positive moment that increases with wing lift or a.

    這一誘導氣流產生正的力矩,該力矩隨升力或迎角a的增加而增加。
  12. Quantitative flow visualization on unsteady flow fields of wing rock

    滾擺非定常流場的定量流動顯示
  13. 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。
  14. Multi - gap - fowler - flap, while deflecting its rudders, simultaneously extends backwards by relatively large scope, which broaden the overall wing - camber and area, so that more additional lift could be attained through improving air - flow boundary layer

    多縫富勒襟翼在襟翼舵面偏轉的同時發生較大幅度的後退,增加機翼整體彎度和機翼面積,通過縫隙氣流改善附面層狀況,因而得到加大的升力增量。
  15. A separation in the boundary layer of fluid about a moving streamlined body, such as the wing of an airplane, causing a breakdown in the smooth flow of fluid and resulting in turbulence

    氣流分離移動的流線型的軀體上流體邊界層上的分隔物,如飛機的機翼,在平滑的流體流動中會引起故障和湍流
  16. Through solving the unsteady flow fields of an airfoil - flap, the mechanism of buzz is intensively studied. on the basis of the unsteady flow fields of an airfoil - flap with an upper - wing spoiler, the mechanism of the upper - wing spoiler suppressing the buzz is researched. in additions, the comparisons of the unsteady flow fields of an airfoil - flap with and without a separator show that the separator reduce the speed of the buzz

    從非定常流場計算出發系統的研究了嗡鳴發生的機理以及擾流片對嗡鳴起抑制作用的機理;應用能量法確定了嗡鳴發生的邊界;並且研究了機翼舵面之間有隔膜和無隔膜以及機翼上有上翼擾流片和無上翼擾流片對嗡鳴發生邊界的影響;得出了有意義的結論。
  17. The effective optimization design programs for different cases are developed by integrating the following several aspects which involves the flow analysis, adjoint equation solution, gradient solution, optimal arithmetic and grid generation. some practical design tests for airfoil and wing show that the continuous adjoint approach is very effective and useful method for aerodynamic optimization design. at the same time, we have done the research of aerodynamic optimum design for airfoils by using navier - stokes equations

    ( 4 )研究了基於控制理論和三維navier一stokes方程的優化設計理論,在計算坐標下詳細推導了該優化設計理論,得到了計算坐標系下描述的共扼方程數學描述形式,並以給定目標壓力分佈的氣動反設計為例,導出了相應的共扼方程邊界條件,以及關鍵的梯度求解具體表達形式,為了求解方便,把計算空間上描述共扼方程表達形式變換到物理空間中進行描述,通過與ns方程表達形式對比分析,最終給出了一種直觀的共轆方程表達方式。
  18. This method makes it possible for investigating the unsteady nonlinear potential flow in a complicated environment with higher efficiency. the aerodynamic forces of a wing in couple motion of heave and pitch with ground effect are analyzed in detail based on the numerical result. it is shown that a thrust force exists when the wing is in heave motion

    深入系統地分析了存在表面效應時機翼運動規律和氣動力之間的關系,研究結果表明,機翼升沉運動產生的推力與升沉速度幅值的平方成比例,推力和推進效率和振蕩頻率成反比;機翼的俯仰運動可以調節推力和推進效率,但是單純的俯仰運動不會產生推力。
  19. In this thesis, finite volume method and dual - time stepping method are employed to solve the 3 - d unsteady euler equations. the unsteady flow field around a finite - span flapping wing is simulated. the lift and thrust of the flapping wing for different cases are calculated

    本文運用有限體積法結合雙時間推進技術求解三維非定常歐拉方程,模擬了有限翼展機翼在同時具有上下拍動和俯仰運動狀態下的非定常流場,計算了不同狀態下撲翼的升力及推力,分析了各個影響因素對撲翼氣動特性的影響。
  20. Experiments with controlled excitation of primary and secondary instabilities have been performed to study the process leading to the final breakdown of laminar swept wing flow. two types of high frequency secondary instabilities are identified

    在人工激勵激發基頻與定常擾動條件下,施加高頻人工激勵,研究附面層流流動在高頻二次不穩定性擾動的發生與增長過程。
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