翼阻力 的英文怎麼說
中文拼音 [yìzǔlì]
翼阻力
英文
wing drag- 翼 : Ⅰ名詞1 (翅膀) the wing of a bird 2 (像翅膀的東西) the wing of an aeroplane etc : 鼻翼 wing of...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
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You ve seen the video also, so that kind of explains a lot of it about the stability of them at those slow air speeds
這造成了受到阻力和副翼上的洞造成了失控的翻轉。The wake survey cannot be used to measure the drag of stalled airfoil or of airfoils with flaps down.
尾流測量不能用來測量失連狀態下的冀型或襟翼偏轉后的翼型阻力。Specification of model resistance test for self - stabilized hydrofoil craft
自穩式水翼艇模型阻力試驗規程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。Mounting the panel model on a short strut has the advantage of decreasing the tare drag of the setup.
把翼段模型安裝在一個短支柱上,其優點是減少了安裝支架的阻力。Proceed from the angle of energy and taking considerations on interference factor and drag of airfoil profile, a kind of new typed calculation method on the design of vane air foil was put forward according to the vortex aerodynamics model of the rotor of wind turbines with horizontal axis
摘要根據水平軸風力機轉子的渦流氣動模型,從能量的角度入手,考慮干涉因子和翼型阻力,提出了葉片翼型設計的一種新型計算方法。Balance weights, if required, shall be secured to the rotor resistance ring or rotor fins
如果需要的話,應該配置平衡重裝置以保護定子阻力環或定子翼。Several icing parameters were imported to calculate the change of drag coefficient and typical derivatives between clean aircraft and iced aircraft, and the aircraft flight envelope change of iced and un - iced situation was computed, and the small disturbance flight dynamics model was modified to study the effect of the ice accretion on the aircraft dynamics by importing the ice parameter to it, and the longitudinal and lateral stability and the elevator, aileron and rudder step response were also studied and simulated
根據這些參數計算了飛機結冰后阻力系數以及典型氣動導數的變化,並計算了結冰前後飛機的飛行包線;同時對結冰前後飛機的縱向、橫側動穩定性以及升降舵、副翼和方向舵階躍操縱響應進行模擬計算。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。The results show that the frame of the grid fin has the greatest effect on the grid fin drag characteristics, reducing the drag levels and enhancing the lift - drag ratio for grid fin may be obtained by selecting appropriate frame cross - section shape and thickness of grid fin
計算結果顯示,格柵翼的幾何結構參數對格柵翼的氣動力特性影響很大,格柵翼的邊框剖面形狀和厚度對格柵翼的阻力影響最大,所以選擇合適的邊框厚度和剖面形狀可以有效地減少格柵翼的阻力,提高陞阻比。The software designed for the system is validated by experiments and proved correct. the system can s imulate the real air - stream and put it on missile ' s wings to make them work under the same force environment as the real spread process, so the relationship of explosive stuff and attack angle can be calculated
本文所設計的監控軟體已通過實際系統的驗證,說明整個系統的設計是合理正確的,能夠真實的模擬力矩,產生一種類似真實氣流阻力的載荷,並將其正確施加於彈翼(尾翼)上,使彈翼(尾翼)能在與展開過程中實際受力相同的狀態下工作。In this paper, the structure and main parameters of furrow - ridge - opener are analyzed. the soil load characteristics of the ridge - opener were measured in the soil bin ; the regression equation of the traveling force resistance was formulated. the working performace and characteristics of the water - application - furrow seeder unit were analyzed
在本文中,對起壟開溝器的結構形式及主要參數進行了理論分析,並通過土槽對起壟翼的主要性能參數進行了回歸實驗,得到了牽引阻力的回歸模型。The results show that the drag of grid fins is little affected by width to chord ratio, the normal force of grid fins was large, and that the smaller was the ratio, the better was the characteristics of the grid fins ' s normal force in tested sizes of width to chord ratios
結果顯示,在所選擇的格寬翼弦比范圍內,格寬翼弦比對阻力的影響不大,對法向力有明顯的影響,格寬翼弦比越小法向力特性越好。Experimental data from the towing tank tests show that the hydrofoils give more water - drags on the raft ' s hull, and that the hydrodynamic performance of a ferrying raft will be improved by rational designs of the hydrofoils ' profile, angles of attack as well as the position of hydrofoil on the hull
船模水池中的模型拖曳試驗表明,盡管水翼會增加門橋的水阻力,但只要合理地設計水翼的翼型、攻角和安裝位置,可以改善和提高門橋水動力性能。The horizontal and vertical momentum loss caused by the shock of heavy rain in low - level wind shear of thunderstorms on the airframe and wing are analyzed, the water film thickness on the airframe and wings estimated, and the flight resistance resulted from raindrops - striking caused by the roughness of airplane when the heavy rain shocks the airplane is discussed
摘要分析了雷暴低空風切變中大雨滴沖擊飛機的機身和機翼而引起的水平和垂直動量損失,估算了大雨累計在機身和機翼上的水膜厚度,並討論了因遇到大雨雨滴沖撞而粗糙化的機體所產生的阻力。In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance
本文建立了主體機構靜力學模型,研究了主體機構的結構參數對微位移放大性能的影響;建立了主體機構振動模型,研究了主體機構在無液體阻尼和有液體阻尼情況下的振動特性;根據流體力學平板繞流理論,研究了驅動翼產生的推進力和微機器人在流體中受到的阻力;在此基礎上國內首次建立了泳動微機器人的動力學模型,並對模型進行了深入的研究,詳細闡明了驅動信號頻率、主體機構放大性能、主體機構振動特性、驅動翼面積、液體性質等因素對微機器人泳動特性的影響。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。The load control system has already passed the test ' s validate. it shows that the design of whole system is correct. the system can truly simulate the real air - stream and put it on missile ' s wings to make them work on the same force situation as in the real spread process, so the relationship of explosive stuff and attack angle can be confirmed
本文所設計的加載控制系統已通過實際系統的驗證,說明整個系統的設計是合理正確的,它能夠真實地模擬類似真實氣流阻力的載荷,並施加於彈翼或尾翼,模擬其在真實工作環境下的受力狀態,可以測算導彈攻角與火工品填藥量的關系。The effects of the slipstream boundary are solved by the slipstream boundary condition met using the so - called vortex image method. based on these considerations, the change in the circulation around the wing is obtained, and the velocities induced by the original vortices and the imaged vortices at the wing are subsequently derived. the present research also gives an analytical expression of the drag change due to the slipstream interference
對于滑流邊界的影響,用「鏡像法」來使滑流邊界條件得到滿足,導出了由於滑流影響機翼環量的改變,求得渦及其鏡像在機翼處的誘導,並首次導出了螺旋槳滑流對機翼阻力特性的影響的解析表達式。Lastly, previous vane are analysed by fluent, we calculate the pressure distribution chart and report chart of each wing form, then alter the torsion angle and the airfoil form of the vane respectively, finally ascertain the influence curve of the torsion angle and the airfoil form of the vane on which act the lift power
最後,通過fluent對設計出的葉片分析,得出其壓力分布圖和報告圖。然後從改變葉片的扭轉角度和翼型兩個方面分析其對升力和阻力的影響。得出葉片的扭轉角和翼型對升阻比的影響曲線,在文章的結尾部分估算了無人機的一些性能參數。分享友人