尾梁从机身渐细到后掠尾垂翼，尾螺旋桨在锥形尾垂翼右侧，二个尾平翼被装在尾梁两侧。
The tail boom tapers from the main body to the swept-back, tapered fin with a rotor on the right. Two flats are mounted on the both side of the boom.
螺旋桨表面和它的尾涡面离散为四边形双曲面元，每个面元上布置等强度偶极子和源汇分布。
The surface of propeller and its trailing vortex is divided into a number of small hyperboloidal quadrilateral panels with constant source sink and doublet distributions.
某舰的螺旋桨尾轴长期处在恒定载荷作用下，虽然尾轴应力在弹性极限范围内，但是尾轴局部还是很容易发生微量的塑性变形。
Tiny deformation will appear in the local of the propeller shaft of certain ship which is endured an invariableness load, although the shaft stress is within the elastic limit range.
所以对螺旋桨尾轴进行蠕变分析是十分有意义的。
So it is significative to carry out a research on room temperature creep characteristic of propeller shaft .
开尾销之类小东西和便宜东西的故障会导致螺旋桨的损毁。
The failure of something as small and inexpensive as a split pin can result in the loss of the propeller.
采用了一个修正的螺旋桨尾涡模型，来模拟导管螺旋桨尾涡片的扭曲变形及分离现象。
A modified trailing vortex wake model of propeller is introduced to describe the distortion and separation of the trailing vortex sheet.
采用隧道尾而增大螺旋桨直径，是提高排水型快艇快速性能的一条重要途径。
It is an important way for improving the rapidity of a displacement craft to adopt tunnel stern and increase propeller diameter.
全系列产品均可以匹配齿轮箱销售，部分机型可以连带尾轴，螺旋桨销售。
All Marine engines could be sold with gearbox, and some engines could be sold with tail shaft and propeller.
它由螺旋桨和安装在尾附体与螺旋桨之间一适当位置上的导叶组成。
It is composed of propeller and guide vane, the latter is installed at an appropriate position between stern appendages and propeller.
它们使用的操纵和控制系统大多是由多个螺旋桨推进器组成的，这样的系统体积大、重量大、能耗高、综合效率低，并有较大的噪音和尾涡。
Their maneuvering and control systems are made up of several propellers. This system has many disadvantages such as big volume, high consuming of energy, low total efficiency , high noise and vortex.
在小进距比的重载情况，螺旋桨尾涡的收缩对螺旋桨的性能影响较大。
In the case of heavy load when the advance ratio of propeller is small, the contraction of wake has large effect on the performance of the propeller.
进一步优化螺旋桨尾涡模型，并进行了实例计算与试验结果、原计算结果对比分析，结果表明改进后的尾涡模型计算结果具有更高的精度。
Practical sample is calculated and experimental test is carried out. Comparison with the previous result shows that the improved wake model gives resalls with higher accuracy.
此外，文中还指出设计蜗尾船舶螺旋桨时，所采用的收到马力系数与常规方法应有所不同。
The expression of Bp for use in screw design of cochlea-channeled stern should be different from that for conventional ships.
此外，文中还指出设计蜗尾船舶螺旋桨时，所采用的收到马力系数与常规方法应有所不同。
The expression of Bp for use in screw design of cochlea-channeled stern should be different from that for conventional ships.
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