若在转动导管螺旋桨上加装PBCF，其效果更佳。
Attaching it to the shaft of propeller with rotary duct will lead to a better result.
在破冰船推进性能方面，主要采用导管螺旋桨作为主要推进器。
In the propulsion performance of the icebreaker, mainly use the ducted propeller as the main propulsion.
本文对如何应用回归分析方法以处理导管螺旋桨系列的空泡简试验数据进行了探讨。
In this paper, an attempt is made to apply the regression analysis method in handling the experimental data of ducted propeller series in cavitation tests.
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.
导管螺旋桨优势在于低航速时提供更大的推力和更高的推进效率，因此作为首要选择。
The advantage of the ducted propeller is, this type propeller can support greater thrust and higher efficiency under low speed, so is the first choice.
近几年来，上海交通大学船模试验池对简易导管螺旋桨进行了多种方案的系列试验研究。
In recent years, several types of the ducted propellers with simplified duct profile have been systematically tested by the Shanghai Jiao Tong University ship model basin.
对导管螺旋桨进行优化设计的分析与探讨，建立优化数学模型，通过实例说明其可行性。
It's analyzed and inquired into optimality design of duck propeller. Mathematical models are set up. It shows it's practicable through example.
本文叙述了加速导管中串列螺旋桨敞水试验结果及分析。
This paper presents the results and analyses of open water tests of tandem propellers in a nozzle of accelerating flow type.
本文叙述了加速导管中串列螺旋桨敞水试验结果及分析。
This paper presents the results and analyses of open water tests of tandem propellers in a nozzle of accelerating flow type.
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