螺槳滑流 的英文怎麼說

中文拼音 [luójiǎnggǔliú]
螺槳滑流 英文
race 1
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 槳 : 名詞1. （劃船用具） oar; paddle 2. （螺旋槳） propeller
  • 滑 : Ⅰ形容詞1 （光滑; 滑溜） slippery; smooth 2 （油滑; 狡詐） cunning; crafty; slippery Ⅱ動詞（貼著物...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 螺槳 : screw propeller
  1. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。
  2. 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。
  3. A cascaded architecture is adopted, where desired propeller rate of revolution is generated by solving a static 2nd order equation with a parameter of desired thrust force, which is the input of the speed / position tracking control

    在推進器動態模型的基礎上，採用滑模控制的方法，由速度位置誤差獲得期望推力，再通過求解包括來流速度的二次方程得到期望螺旋槳轉速。
  4. 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。
  5. 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。
  6. Owing to unsteady ship driving power, vibration of ship body, sealing function of seal part and variable stern flow companying with rotating propeller, the unsteady force results to vibration of ship shaft, which makes the oil film of stern journal bearing vibrate

    由於船舶動力的非穩定性、船體的振動、尾軸密封裝置的密封作用及螺旋槳的不均勻伴流作用，導致尾軸振動，使得尾軸承潤滑油膜渦動。
分享友人
分享到 Line

分享到臉書