槳葉升力 的英文怎麼說

中文拼音 [jiǎngyèshēnglì]
槳葉升力 英文
blade lift
  • 槳 : 名詞1. （劃船用具） oar; paddle 2. （螺旋槳） propeller
  • 升 : Ⅰ動詞1 （由低往高移動） rise; hoist; go up; ascend 2 （等級提高） promote Ⅱ量詞1 （容量單位） lit...
  • 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...
  • 槳葉 : awe; paddle
  1. The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better

    改進了現有的升力線和升力面設計方法，在升力線設計中計及槳葉的縱傾和側斜的影響，用優化理論求解最佳環量分佈，升力面設計中用b樣條來擬合槳葉，將物面邊界條件轉化為求法向速度分量的平方最小，由此可得到光順的槳葉幾何形狀，提高和改進了設計質量。
  2. In the present work, there are two methods to design the shrouded - propeller. one is based on the blade element and momentum theory, the other is based on the ufbng - line ( surface ) theory derived from circumfluence theory

    在實際工作中，函道螺旋槳的設計有兩種方法，一種是基於葉素理論與動量定理的工程方法；另一種是基於升力線（面）方法的環流理論方法。
  3. The blade section can be designed by parent section, thereby its chordwis circulation distributions can be worked out, and then lifting surface theory is used to design the three dimension blade geometry

    剖面採用母型剖面方法來設計，進而可確定槳葉弦向環量分佈，然後由升力面理論設計三維槳葉的幾何形狀。
  4. In lifting - surface theory, the non - liner phenomena of the trailing vortex in the transition wake area and of the tip vortex separation are considered. in surface panel method hyperboloidal quadrilateral panels are employed and the morino ' s analytical formulation is used to determine the influence coefficients. the more reasonable pressure kutta condition is satisfied at the trailing edge of propeller blade

    在計算中，對于升力面理論，本論文考慮了過渡區尾渦收縮和葉梢分離的非線型現象的影響；對于面元法，本論文採用的是計算較為簡便的基於擾動速度勢的基本公式及雙曲面形狀的面元，在槳葉隨邊滿足更趨合理的壓力kutta條件，並用morino導出的解析公式計算面元的影響系數的快速有效的數值預報方法。
  5. The flight test of ec155 tells us that inter - blade dampers can work very well in stabilizing the system ; another advantage of this configuration is it can make the hub system simpler and reduce the drag of air to the hub which is very important for helicopters with 4 or more than 4 blades

    Ec155的飛行試驗證明，這種減擺器布置方式對提高穩定性效果明顯;這種布置方式的另外一個優點是可以簡化槳轂，降低其氣動阻力，對多槳葉（四片和四片以上）直升機有重要意義。
  6. The aerodynamic interference between the shroud and the propeller is calculated by lifting line theory. its precise, proved by wind tunnel test here, satisfies the engineering demand

    在計算螺旋槳的參數時，仍以有限葉數升力線模型進行處理，並用誘導因子法來計算槳葉尾渦系在升力線上產生的誘導速度。
  7. This dissertation mainly studies how to eliminate extra force to finish loading test of a certain helicopter roll booster wear test - bed

    本文主要討論某型直升機槳葉助力器壽命試驗臺的液壓伺服加載系統的研製及其消除多餘力的方法。
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