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- In this thesis ,the steady performance of ducted propeller in uniform flow is predicted by surface panel method. 本文应用基于扰动速度势的低阶面元法，拟计算导管螺旋桨在均匀流场中的定常水动力性能。
- In this thesis, the stead hydrodynamic performance of ducted propeller in uniform flow is predicted by lifting-surface method and surface panel method. 本文应用基于扰动速度势的面元法和升力面理论的耦合方法，计算导管螺旋桨在均匀流场中的定常水动力性能。
- A theoretical method for predicting the steady/unsteady performance of ducted propeller is presented,in which an unsteady panel method is applied both for the duct and propeller. 本文提供了一个计算导管螺旋桨的定常及非定常性能的基于速度势的非定常面元法,桨和导管的相互影响是通过在时域范围内迭代计算处理。
- The numerical results obtained by present method show that the proposed method is effective for predicting the steady/unsteady performance of ducted propeller. 算例计算结果表明，本方法可以有效地应用于导管桨的定常及非定常性能的预估。
- In order to inquire into the inner velocity field of ducted propeller, the windows were set inside the duct of a ducted propeller, which allowed optical access for LDV measurements. 摘要为了探讨导管内流场，通过在导管壁上开窗口，使用LDV激光穿过窗口方案来测量导管螺旋桨的内流场。
- exit vane in rear of ducted propeller 桨后整流支架
- The new pushboat proposed is very much different from that with a conventional cochlea-channeled-stern and it is fitted with forward rudders + ducted propellers + backing rudders system. 对蜗尾型双桨推轮首次进行了线型研究和模型试验研究,给出了一种与常规蜗尾有很大差别、与正车舵+导管桨+倒车舵系统有良好匹配性能的新的蜗尾型推轮。
- Can you free the propeller from the weeds? 你能把螺旋桨上的草除掉吗?
- A piece of string has twisted round the propeller. 一根绳子缠在螺旋桨上了。
- The ship's propeller churned the waves to foam. 那条船的推进器把水浪搅动得泡沫四起。
- A Potential Based Panel Method for Prediction of Steady Performance of Ducted Propeller 导管螺旋桨定常性能预估的基于速度势的面元法
- Carrying down or away. Used of a duct or vessel. 传送的指通过导管或管道传送下来的或输送的
- The propeller will windmill and crank the engine. 螺旋浆将旋转并转动引擎的曲柄。
- The propeller turns a small D.C. generator. 螺旋桨带动一个小型直流发电机。
- air ducted propeller 导管空气螺旋桨
- An airplane having such a propeller. 螺旋桨飞机有这样一种螺旋桨的飞机
- ducted propeller 管道螺旋桨
- A duct often contains cross braces. 管道内往往是有支撑拉条。
- Nothing seems to be wrong with the propeller shaft. 转动轴看来没毛病。
- A tube or duct for enclosing electric wires or cable. 线管包裹电线或电缆的管子或沟道
