Propeller blade

Research on geometry models of NC machining of propeller blade surface

螺旋桨叶片曲面数控加工几何模型研究

The effects of grinding parameters on surface roughness of marine propeller blade were studied by using orthogonal test .

通过正交试验研究了磨削参数对船用螺旋桨叶片表面粗糙度的影响。

The propeller blade has been mounted .

推进器的叶片已经安装好了。

Study of the Optimum Angle of Attack for the Propeller Blade

关于螺旋桨桨叶有利迎角的探讨倾转螺旋桨飞行器桨叶的气动设计研究

Design and Development of Interactive Center of Gravity Survey Testing Set for Propeller Blade

螺旋桨桨叶交互式重心测量实验台的设计与开发

Experimental Research on Effects of Different Propeller Blade Number on Transverse Vibration of Weak Damping Shafting

不同桨叶数螺旋桨对弱阻尼轴系横向振动影响的实验研究

Cutting tool selection in the NC machining of propeller blade with a constant pitch

等螺距螺旋桨数控加工中的刀具选择

Measurement of thickness of propeller blade

船舶螺旋桨桨叶厚度的测量

This paper will introduce an experimental research method & propeller blade strain method , to estimate the propeller 's 1 P load .

介绍了一种1P载荷实验研究方法&桨叶应变测试法。

This paper sets the theoretical and numerical method predicting the unsteady pressure distribution on the propeller blade surface by using perturbation potential based on surface panel method .

本文建立了扰动速度势面元法预报螺旋桨表面非定常压力分布的理论和数值方法。

It mainly viewed on finding out the law of both propeller blade thickness distribution and leaf profile stress distribution in the conditions of satisfying the intensity .

主要研究IMP推进器在满足强度条件下，螺旋桨叶片厚度分布及叶剖面应力分布规律研究。

The optimum distribution of circulation on a marine propeller blade is numerically determined by using the lift_line vortex model and variational calculus .

利用螺旋的升力线模型和变分法原理对螺旋桨叶片环量分布进行了数值优化。

It is by changing the pitch oil pressure and direction to control the propeller blade pitch , ultimately achieve the aim of maintaining and changing the engine speed .

它通过控制变距油路，来控制螺旋桨桨叶变距，从而达到保持和改变发动机转速目的。

Creep-Feed Grinding Experiment in Propeller Blade Fir-Shape Tenon of 261P Turbosupercharger

261P涡轮增压器叶片枞树形榫齿深磨试验研究

Because the wake field is nonuniform , the propeller blade will meet the inflow at different attack angle during one revolution , which may result in cavitations on blades .

由于伴流场的非均匀性，螺旋桨旋转一周过程中其桨叶会以不同的攻角与来流相遇，容易使桨叶上产生空泡。

Propeller blade is a typical part of free surface , which has large diameter and complex shape . The region between adjacent blades is narrow and prone to collides with tools .

螺旋桨叶片是一种典型的自由曲面零件，其直径大且曲面形状复杂，相邻叶片间区域狭窄，易发生干涉碰撞。

The emphasis of the investigation is put on the effects of different joint conditions of blade root ends and mounting ways of blades on the nature frequencies and modes of propeller blade vibration .

重点考察、分析了桨叶根部连接状态和桨叶安装方式对振动固有频率和模态的影响；

The unknown source strength of cavitation is always arranged on the propeller blade surface in the solving process , but the integration is carried out along the cavity surface of last iterative step when the strength of cavitation dipole is determined according to dynamic condition .

求解过程中待求的空泡源强始终布置在桨叶表面上，而在根据动力学条件求解每一步的空泡面元偶极子强度时，积分是沿着上一步迭代确定的空泡表面进行的。

When flying in icing weather conditions , the areas of aircrafts prone to ice accretion are : airfoil , tail , propeller blade , leading edge of engine inlet , windshield , pitot , antenna and so on .

飞机在积冰气象条件下飞行时，容易发生积冰的部位有：机翼、尾翼、螺旋桨叶、发动机进气道前缘、风挡、空速管、天线等。

In IMP thrusters , the motor stator ( core and winding ) installed in the duct , the rotor ( permanent magnet pole ) installed at the tip of with rings propeller blade leaves and appeared in the form of rings .

IMP推进方式中，电机的定子（铁心及绕组）安装在导管中，转子（永磁磁极）安装在带环螺旋桨桨叶的叶梢以环的形式出现。

Propeller with a blade and its motion characteristics

单叶片推进器及其运动特性

A method for calculating the acoustic pressure of a propeller due to blade thickness and steady surface pressure loading ( including the effect of forward motion ) is presented in this paper .

介绍一种螺旋桨厚度噪声和载荷噪声声压时间历程的计算方法。

Research on the Influence of Loads of Variable Propeller and Yaw of Blade Bearing of the Wind Turbine

变桨和偏航运动对风力发电机桨叶轴承载荷的影响

This paper introduces the development of ship type and ship model test of the first LNG tanker project of China , and analyzes and compares the design of propeller and selection of blade number and so on .

该文对国内第一个LNG船项目的船型开发、船模试验等方面进行了简单的介绍，并就螺旋桨的设计与桨叶数量的选择等问题进行了分析比较。

Nonresonant Series Solutions of a Damped Dynamometer ; Under the condition of knowing the mass , stiffness , damping and the real vibration response of stem , the propeller pressure impulses of blade frequency are deduced , these belong to structure dynamics problem that is loading identification problem .

有阻尼测力机构非共振情况的级数解在已知船舶的质量、刚度、阻尼以及实测尾端振动速度的条件下，反推出螺旋桨叶频激振力。

Propeller cavitation degrades propeller performance , erodes blade surfaces , produces noise , and causes vibration on the ship hull .

螺旋桨空泡会降低螺旋桨性能，产生空化剥蚀和噪声，从而导致船体振动。