螺旋槳根 的英文怎麼說

中文拼音 [luóxuánjiǎnggēn]
螺旋槳根 英文
propeller root
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : 名詞1. (劃船用具) oar; paddle 2. (螺旋槳) propeller
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  • 螺旋槳 : [機械工程] screw propeller; propeller; screw; blade; airscrew; propeller screw; propelling screw...
  • 螺旋 : 1 (具有螺紋的圓柱體 屬于斜面類的簡單機械) corkscrewspin; screw; spiral; helix 2 (螺旋現象;尾旋...
  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 、據流體力學理論,建立了推進器的動態模型,它以來流速度v _ p和轉速n為狀態變量,以電機施加轉矩為輸入,推力t和轉矩q為輸出。
  2. Zhang jian - hua, wang guo - qiang. prediction of hydrodynamic performances of ducted controllable pitch propellers [ j ]. journal of ship mechanics, 2002, 6 ( 6 ) ( accepted )

    王國強,胡壽.非定常性能計算的升力面方法[ j ] .上海交通大學學報, 1989 ( 3 )
  3. Based on the cavitation chart it can be seen that the charging air with appropriate parameters on blade surface is efficient and feasible for improving the cavitation performance of propeller blades

    據翼型在充氣前後的壓力分佈,確定空泡斗的變化,從而可以認定按適當參數提供的二相流對于擴大空泡斗,以改善空泡性能是有益的和可行的。
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