aerodynamic characteristics 中文意思是什麼

aerodynamic characteristics 解釋
空氣動力特性
  • aerodynamic : adj. 空氣動力學的。 an aerodynamic missile 飛航式導彈,有翼導彈。n. -s 空氣動力學,氣體力學。
  • characteristics : 產品性能描述
  1. Numerical analysis on three - dimensional aerodynamic characteristics of micro air vehicle

    微小型飛機三維氣動力特性的數值分析
  2. The dynamic performance of a ram air system will vary with mach number and altitude and this tends to follow the aerodynamic characteristics of the missile.

    像導彈空氣動力特性一樣,沖壓空氣式系統的動態特性隨馬赫數和高度的變化而變化。
  3. The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera

    本文對某卷弧尾翼彈氣動特性進行了系統研究,主要內容與結論為: 1 .將卷弧翼按照相同投影面積的平板翼進行工程估算,得到升力系數、阻力系數、俯仰力矩系數、俯仰阻尼導數、滾轉阻尼導數曲線。
  4. A mathematical model reflecting the tilt rotor unsteady and nonlinear aerodynamic characteristics in the longitudinal channel is presented in the paper. in the full flight envelope, the rotor thrust continues tilting and the aerodynamic forces of each component change as a function of airspeed and nacelle angle

    在整個飛行包線內,旋翼的推力矢量方向不斷變化,飛機各部件的氣動力隨發動機短艙傾角和空速的變化而變化,因而飛機的飛行動力學有很強的非定常、非線性特性。
  5. 3. the static aerodynamic characteristics of the projectile are computed using the software of cfd, the results of the numerical simulation are agreement with the engineering calculation, this verifies that the results of the static aerodynamic characteristics of waf from engineering calculation are satisfactory

    3 .應用cfd軟體對彈靜態氣動特性進行數值計算,數值計算結果與工程估算結果吻合較好,說明卷弧翼的靜態氣動特性可以通過平板翼進行估算。
  6. It is necessary to study the unsteady nonlinear aerodynamic characteristics of a wig flying in air with disturbed waves for the design of high - performance wig vehicle, especially for the subject that how to improve the safety, maneuver ability near sea wave, and economics of the wig flying over sea waves

    研究地效翼在風浪擾動氣流場中掠海飛行的非定常氣動力問題,對于高性能地效翼船的設計,特別是對于提高地效翼船在風浪中飛行的安全性,操縱性以及經濟性都是十分重要的。
  7. 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。
  8. 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。
  9. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。
  10. Based on research of wind turbine aerodynamic characteristics, this paper analyzed various control methods for a pitch - controlled system of variable - speed and constant - frequency wind turbine at a wind velocity range higher or lower its speed rating respectively

    摘要在風力機空氣動力學特性分析的基礎上,討論了變速恆頻風力機組變槳距機構在低於額定風速階段和高於額定風速階段的不同控制策略。
  11. At the initial stage of vehicle design, the contributed engineering approach provides a powerful backing for prediction jet aerodynamic characteristics

    為飛行器設計初期的噴流氣動特性計算提供了一種適用的計算手段。
  12. Firstly, the study about flight icing is reviewed at the beginning. the condition of icing accretion, the style of icing accretion, the parameters of icing accretion in flight, and the influence of icing accretion on the aerodynamic characteristics of an airplane are analyzed

    首先,回顧了國內外在飛機結冰方面的研究情況,對飛機在飛行中的結冰條件、結冰類型、結冰參數以及結冰對氣動特性的影響進行了分析討論。
  13. 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
  14. Analyzing existing engineering methods, we combine them in such a way to make computing aerodynamic characteristics possible for arbitrarily shaped body

    驗證、分析了各種超音速、高超音速氣動力工程計算方法,將各種工程方法統一起來,用於求解任意外形的飛行器氣動力。
  15. Motrcycles. controllability and stability. teminology. aerodynamic characteristics

    摩托車操縱穩定性術語空氣動力特性
  16. 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。
  17. 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。
  18. 4. for steady incompressible flows, the effects of reynolds number and thickness of airfoils on the aerodynamic characteristics are studied

    研究了在二維定常不可壓流動狀態下雷諾數和翼型厚度等參數對翼型氣動特性的影響。
  19. This paper studies the effect on aerodynamic characteristics of the grid fin geometry by choosing different cross - section shape and thickness outer frame, changing the thickness of internal fins and the density of internal honeycomb, comparing the datas obtained from the corresponding wind tunnel tests

    模擬了格柵翼的邊框剖面形狀和邊框厚度以及格柵莖厚度、蜂窩疏密度對格柵翼氣動力特性的影響,並把計算結果與實驗結果進行了比較。
  20. Based on the aerodynamic characteristics of space shuttle booster - like missile bodies at angle of attack from 0 to 180, the flying characteristics of high maneuver at 90 angle of attack and velocity consuming at 180 angle of attack are analyzed

    摘要以新一代無翼式氣動布局導彈為背景,在大攻角氣動特性理論基礎上,分析了在導彈主動段、攻角在180范圍內變化的導彈飛行特性,得出了90內大攻角最大轉彎能力和180攻角附近最大降速效果的結論。
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