查询词典 propeller

Under the air car is an air chamber with a large propeller parallel to the ground.

是什么使它悬在空中的呢？

Underneath the rear fuselage a large air scoop aspirated the second unit, which powered a three-bladed propeller mounted behind a cruciform tail.

在机身后部下设置有大型进气口用来吸收十字尾翼后面的三叶螺旋桨气流。

Here, you can see the Mabuchi 550 12-volt motors, the Graupner Speed-Profi 50 Reverse BEC Speed Controllers, the Master Airscrew 3.0:1 Ratio Gearboxes, the brass stuffing tubes with Oilite bearings and O-ring seals and the 3/16 diameter propeller shafts.

在这里，您可以看到万宝至五五零一二伏马达，格劳普纳速度Profi的50扭转选委会的速度控制器，主airscrew 3.0：1的比例，变速箱，黄铜填料管oilite轴承和O形密封圈和3 / 16 直径螺旋桨轴。

When the incoming flow velocity is 10 m/s, the numerical simulation is performed on the flow field around propeller anemometer under different measuring angles.

当测量角度在0~30°时该比值与测量角度的余弦值相当。

To discuss the rule of orientation sensitivity for propeller anemometer, wind tunnel experiment method and numerical simulation method are used to study the change rule of its measured values under different measuring angles.

中文摘要：为探讨叶轮式风速计的方向敏感性规律，采用风洞试验和数值模拟两种方法研究在不同测量角度下叶轮式风速计测量值的变化规律。

This paper presents and theoretically analyses the design of a marine jet propeller riven byimpulsing current. This new Propeller has obviously a higher efficency in energy-saving and a higher speed than any other propellers available.

本文提出了船舶冲击电流喷射推进器的设想，并从理论上分析了这种设想在节能效果和提高船舶航速方面具有比螺旋桨推进器明显优越的特性。

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。

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。

Align previously made marks on yoke and propeller shaft and install propeller shaft.

将定位轭架上的预制标记对准传动轴并安装传动轴。

By analyzing and handling the experiments results, we obtained the rules of change of hydrodynamic characteristics of the cycloidal propeller in the pitch ratio varying from 0.2π to 0.75π and the steering angle varying from -90°to 90°, such that a foundation has been laid for using it in practice, and for setting up the theoretical calculation method of cycloidal propeller.

一、通过分析摆线推进器的工作原理，设计并加工了实验模型和实验装置，在哈尔滨工程大学船模水池对该模型进行实验，经过合理的理论分析和数据处理，获得了螺距比从0.2π到0.75π，方向角从-90°到90°范围内的水动力变化规律，为建立摆线推进器水动力性能理论计算方法和工程应用奠定了基础。

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