螺旋桨

To generate lift and propulsion the Lippisch Aerodyne would utilize two co-axial propellers, diverting the slipstream downwards to achieve VTOL.

产生升降机及推进该利佩什博士aerodyne将利用两个合作轴螺旋桨，分流的Slipstream向下实现垂直起降。

The usage technique of radar for high-speed ship s to prevent collision in Three Gorges reservoir;2. Research on Modeling and Simulation of High-speed Ship CPP Propulsion System;3. Based on three typical high-speed ship (high-speed monohull ship,planning hydrofoil craft,wave-piercing Catamaran),a mathematic models of high-speed ship ′s propulsion system(common screw propeller,adjustable-pitch propeller, water-jet propeller) and intelligent control system are established the simulation with the help of Matlab/Simulink is realized.

以三种典型的高速船(高速单体船、翼滑艇和穿浪艇)为例，建立了其推进(普通螺旋桨、可调螺距螺旋桨及喷水推进)系统及智能控制的数学模型，并在Matlab/Simulink上实现仿真；建立了推进系统的优化数学模型，编制了优化算法(混沌算法、遗传算法和粒子群算法)程序，实现了智能推进系统的优化设计；最后，运用Matlab/GUIDE进行界面设计，编制了高速船智能推进系统仿真与优化软件，实现了良好的人机互动。

An aircraft in which a turboprop is used.

涡轮螺旋桨飞机一种带涡轮螺旋桨发动机的飞行器

This passage, from the angle of rotating mechanics, analyses the effect that the precession effect of the propeller and engine rotor has on flying qualities and operation qualities among giant turboprop airplanes.

从转动力学的角度，分析了在大型涡轮螺旋桨飞机中，螺旋桨和发动机转子进动效应对飞机飞行品质和操纵品质的影响。

In addition, Builder and propeller manufacturer to determine pressure variations on shell plating in way of propeller well to ensure that scantlings of plating and frames are heavy enough to avoid local vibration.

此外，建造方和螺旋桨生产商应确定螺旋桨围阱处船体板的压力变化，从而使板和肋骨的结构具有足够的重量以避免局部振动。

We can make a accurate prediction of the propellers performance and the pressure distribution on the blade.

用面元法不仅可以准确地预报螺旋桨的推力和扭矩，而且可以准确地预报螺旋桨表面的压力分布。

In this article, based on room temperature creep analysis on propeller shaft, a dynamic and a fatigue analysis on the propeller shaft are carried out.

本文针对常温下长期受到恒定载荷作用下的某舰螺旋桨尾轴进行了常温蠕变分析，并对变形后的螺旋桨尾轴进行了动力和疲劳分析。

Steel casting to be annealed before integration in stern frame construction. Shape of stern frame to be in accordance with tank tests in order to provide sufficient propeller clearance and to avoid cavitation.

铸钢件在与艉框架安装成一体前应进行退火处理，艉框架的形式必须根据船模试验的结构来确定，以便获得足够的螺旋桨间隙和避免产生对螺旋桨的气蚀。

In view of the uncertain load disturbances and parameter variations and so on, the disturbance restraint performance of the six-phase synchronism motor control system for the ship electric propulsion is improved under the robust control theory.

在船舶的空间运动模型和螺旋桨四象云母加热圈限模型的基础上，综合考虑船舶和螺旋桨地相互作用，建立了船桨一体化的运动模型，并结合六相同步电功机控制系统仿真研究船舶电力推进六相同步电动机控制系统典型工况下的运行性能。

This invention relates to an automatic regulating device for wind-powered propellers having blades which are connected to the propeller hub by torsion springs and are self-adjustable in dependence of the wind forces acting on the blades and returnable by action of the torsion springs.

本发明涉及到一自动调节装置的风动力的螺旋桨叶片，其中有连接到螺旋桨枢纽扭转弹簧和自我调节的依赖，在风的力量采取行动，叶片和可回收采取行动扭转弹簧。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。