查询词典 propeller

And at this basement, analyzes the matching design between screw propeller and diesel engine, according design theory of screw propeller chart.

目前常用的螺旋桨图谱匹配设计涉及大量图、表及繁多复杂的计算公式，并且各图表有特定的适用范围，不利于设计应用和推广；船舶冷却系统中冷却水流量、水泵排量等主要依据主机标定点设计，而船舶在实际航行过程中主机主要运行在部分负荷状态，这样就造成了冷却能力过剩，冷却水温度过低，影响主机性能的发挥。

The aluminum propeller which is molded in one body with airfoil design, its exhaust wind is much higher than steeliness propeller that is stroke outmolding.

机翼式设计、一体成型的三叶式铝铸风叶，其排风功效比冲压成型的钢制风叶高出许多

The aluminum propeller which is molded in one body with airfoil design, its exhaust wind is much higher than steeliness propeller that is stroke out and molding.

机翼式设计、一体成型的三叶式铝铸风叶，其排风功效比冲压成型的钢制风叶高出许多

By superimposing the rotary movement of the propeller on a straightline perpendicular to the rotational axis (to represent the movement ofthe vessel), the blade of the Voith-Schneider Propeller follows acycloid.

由叠加扶轮运动的螺旋桨就一条直线，垂直旋转轴，叶片的沃依特-施奈德螺旋桨如下一摆线针轮。

This thesis tried to connect the dynamic factor of the propeller hydro-oscillation force and the lubricative state of it to analyze and calculate the lubricative characteristics of it with many variables, and them to explore a feasible way for the lubricative characteristics calculation of it, reckoning the propeller hydro-oscillation force in and put up a flat roof for reckoning all dynamic factor in future.

本论文力图将螺旋桨流体激振力这项动态因素和船舶尾管轴承的润滑状态结合起来，进行多项变量的润滑特性的分析和计算，为计入螺旋桨流体激振力的船尾轴承润滑特性计算探索出了一条可行的方法，并为将来全面计入各种动态因素建立平台。

An unsteady BEM is used to calculate unsteady hydrodynamic performance of the podded propeller. The interactions between the propeller and the pod are treated by two iterative calculation methods: induced velocity and induced velocity potential.

为了计算吊舱推进器的非定常水动力性能，建立了用诱导速度势处理吊舱和螺旋桨非定常相互干扰的方法，并和用诱导速度处理两者相互干扰的方法作了对比分析。

Aiming at the disadvantages of the present machining method of the propeller,such as lower machining precision and efficiency,needing more time of clamping and limited machining scope,a new machining method — the second order osculating machining method has been presented and used in the manufacture of the propeller ...

针对目前螺旋桨加工中存在的加工精度和效率较低、需多次装夹、适用范围有限等缺点，在分析螺旋桨桨叶曲面特征的基础上，提出了基于圆柱形刀具二阶密切加工螺旋桨的方法。

The submarine submerged propeller depth and the speed conciliation properly, the back of propeller generated air bubbles would be very small, in the role under pressure soon collapse, the danger decreases.

潜艇的潜航深度和螺旋桨的转速如调解得当，则螺旋桨背面生成的空化气泡便非常小，在水压的作用下很快溃灭，危害度减小。

Through performing all kinds of anti-corrosion and anti- abrasion experiments,the ways of surface oxidation process and anti-corrosion coat materials of air propeller are selected in this article according to self-protection property of the air propeller used on certain ship.

根据空气螺旋桨在某船上的自身防护特点，通过耐腐蚀、耐磨蚀等各种实验，对空气螺旋桨桨叶表面氧化处理工艺和表面防腐涂层材料进行了筛选。

Each of the first three machines ( V1 , V2 , and V3 ) was provided with only a small rear propeller to blow air at the tail surfaces for steering, but the last machine (V4) had a second propeller mounted co-axially to provide thrust for forward flight when clutched to the compressor motor.

每头三机V1的， V2的，和V3的）提供了唯一的一个小后方转向空气螺旋桨尾吹在物体表面，但最后机（V4区）进行了第二螺旋桨式的合作来提供推力轴为向前飞行时抓住的压缩机电机。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了