screw propeller

Secondly this dissertation analyses two important parts-the screw propeller and the propulsion motor .

然后着重分析吊舱式电力推进系统的两个重要组成部分：螺旋桨和推进电机。

Study on Project of Repair Task Below Water-Replacing Screw Propeller and Helm

水下修理作业设计方案研究&水下更换螺旋桨、舵板等方案研究

Advantage and Application of Large Diameter and Slow Turning Screw Propeller

大直径低转速螺旋桨的收益及其应用

Strength Analysis of the Screw Propeller Under the Action of Centrifugal Force

离心力作用下螺旋推进器强度分析

The measurement of screw propeller is an important procedure in its manufacture .

螺旋桨的测量是其制造过程中一个很重要的工序。

The Over Surplus Quantity Reliability Design of Hydraulic Pressure Sheath Screw Propeller

螺旋桨液压套合过盈量的可靠性设计

The Numerical Simulation of Semi-solid Forging for Rear Screw Propeller

螺旋后桨半固态模锻成形的数值模拟

Special shape fiber winding to screw propeller hub splint of helicopter was analyzed .

针对某直升机尾桨叶梁的异型缠绕进行分析。

The Research on Online Measurement and Allowance Calculate of Large-sized Screw Propeller in NC Machining

大型螺旋桨数控加工的在线测量与余量计算研究

Fixed screw propeller shrouding Magnetic field distribution of loosen oval-shaped spiral tube current

定螺距螺旋桨导流管考虑螺距时椭圆截面螺线管电流磁场的空间分布

Screw propeller theory is then used to calculate the axial thrust and to analyze factors that influence the thrust .

讨论了各种因素对轴向水推力的影响，包括各项推力系数的选取和修正。

Scattering Lines Screen in Radial Inspection of SSAW Pipe fixed screw propeller shrouding

螺旋埋弧焊钢管拍片检测中散射线的屏蔽定螺距螺旋桨导流管

The value of apparent viscosity is influenced by the diameter of the screw propeller . The Development of Screw

用直径较大的转子测得的表观粘度较低。浅谈螺旋桨的发展趋势&螺旋桨的设计与应用正引起人们前所未有的关注

Fixed screw propeller shrouding Prediction of Unsteady Performances of Ducted Propeller

导管螺旋桨非定常水动力性能数值预报

The strength calculation formula of the screw propeller under the action of centrifugal force was obtained through multivariate fitting .

经多变量拟合，得到了离心力作用下螺旋推进器的强度计算公式。

Fixed screw propeller shrouding propeller pitch control

定螺距螺旋桨导流管螺旋桨节距操纵机构

Numerical Simulation of Convection Heat Transfer with Pulsating Flow and Spiral Flow in a Duct ; fixed screw propeller shrouding

管内流体脉动及螺旋流对流换热的数值模拟定螺距螺旋桨导流管

The screw propeller which is used by ships abroad is one typical application of ejecting mode because it is easy to manufacture and install and is reliable .

目前广泛应用于船舶驱动的螺旋桨实际上是射流方式的一种具体应用。

Design of data sample of inertia components , A / D conversion , control of horizontal wing and screw propeller and serial port communication between computers is given .

水下拖曳体内下位机对惯性元件的数据采集、A/D转换、水平翼和螺旋桨控制、与上位机串口通信等功能的方案；

Five-axes coordinated numerical controlling machining technique is applied widely in machining such complex parts as mould , laminae of turbine , screw propeller and avigation parts etc.

五坐标轴联动数控加工广泛应用于模具、涡轮叶片、船用螺旋桨和航空部件等复杂零件的加工。

Based on the research of spherical robot , a new amphibious spherical robot was proposed by using the characteristic of Fully-closed of the spherical robot with screw propeller inside .

在球形机器人研究成果的基础上，利用球形机器人全封闭的特性，通过在球形机器人内部安装螺旋推进装置，设计并研制出了一种具有水陆两栖功能的球形机器人。

The surface of large-sized screw propeller is complex and the blank is difficult to fix . The traditional measurement by hand costs time , and the precision of examining is easily influenced by man-made factors .

大型螺旋桨体积庞大，表面曲面复杂，定位装夹困难，传统的手工测量方式，占用大量的时间，检测精度容易受到人为因素的影响，导致设备利用率和产品加工质量的降低。

The results obtained from the simulation testing by double digital signal processing ( DSP ) system confirm that the DTC system fits for synchronous motor with screw propeller by three level inverter and the system operation performance is perfect .

采用双DSP系统对电动机带螺旋桨负载的推进系统进行了半实物仿真，结果表明文中提出的控制策略能对三电平逆变器供电的同步电动机实施高性能的调速控制。

The author established an simplified integrated mathematical model for marine main diesel engine , screw propeller and axis series with the mother type of large low speed diesel MAN BW . The digital simulations for PI speed regulator are completed .

论文以实船应用的MANBW大型低速柴油机为母型，建立了柴油主机、螺旋桨、轴系一体化的简化数学模型，并对常规柴油主机PI调速系统进行了数字仿真。

It 's proved that screw propeller simulated motor can achieved the expected characteristics under the given propeller condition and the monitoring platform works well which can achieve the function of real-time detecting of marine electric propulsion system through a great deal of experiment .

经过实验测试证明，螺旋桨仿真电机工作正常，可模拟设定工况下螺旋桨特性。设备间成功实现数据实时传输，实时监控界面可正常显示装置状态及发送控制指令。

To realize the unification of measurement reference coordination and machine reference coordination , decrease positional error brought by repetitious fix , achieve the reasonable distribution of allowance , alleviate the labor intensity of operators , it is significance to develop the on-line measurement and calculation for screw propeller .

为了实现了测量坐标系与加工坐标系的统一，减少多次装夹带来的定位误差，实现加工余量的合理分配，减轻操作人员的劳动强度，对螺旋桨实现在线测量和计算是有重要现实意义的。

Design of the measurement and calculation equipment for the screw pitch of propeller

船舶螺旋桨螺距测量计算装置设计