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- In this thesis ,the steady performance of ducted propeller in uniform flow is predicted by surface panel method. 本文應用基于擾動(dòng)速度勢的低階面元法，擬計算導管螺旋槳在均勻流場(chǎng)中的定常水動(dòng)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. 本文應用基于擾動(dòng)速度勢的面元法和升力面理論的耦合方法，計算導管螺旋槳在均勻流場(chǎng)中的定常水動(dòng)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. 本文提供了一個(gè)計算導管螺旋槳的定常及非定常性能的基于速度勢的非定常面元法,槳和導管的相互影響是通過(guò)在時(shí)域范圍內迭代計算處理。
- The numerical results obtained by present method show that the proposed method is effective for predicting the steady/unsteady performance of ducted propeller. 算例計算結果表明，本方法可以有效地應用于導管槳的定常及非定常性能的預估。
- 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. 摘要為了探討導管內流場(chǎng)，通過(guò)在導管壁上開(kāi)窗口，使用LDV激光穿過(guò)窗口方案來(lái)測量導管螺旋槳的內流場(chǎng)。
- exit vane in rear of ducted propeller 槳后整流支架
- 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. 對蝸尾型雙槳推輪首次進(jìn)行了線(xiàn)型研究和模型試驗研究,給出了一種與常規蝸尾有很大差別、與正車(chē)舵+導管槳+倒車(chē)舵系統有良好匹配性能的新的蝸尾型推輪。
- A Potential Based Panel Method for Prediction of Steady Performance of Ducted Propeller 導管螺旋槳定常性能預估的基于速度勢的面元法
- England is an advanced industrial country. 英國是一個(gè)發(fā)達的工業(yè)國家。
- The France is one of advanced country. 法國是發(fā)達國家之一。
- Some of them are engaged in advanced studies. 他們有些人在進(jìn)行高級研究工作。
- The ancient Egyptians had advanced civilization. 古埃及人曾經(jīng)擁有高度文明。
- Her actions sorted well with her advanced thought. 她的行為與她的先進(jìn)思想相符。
- The professor is engaged in advanced studies. 該教授正進(jìn)行高深的學(xué)術(shù)研究。
- Last year he was chosen to attend a conference of advanced workers. 去年他被推選出席了先進(jìn)工作者會(huì )議。
- Forestry has advanced with exceptional speed. 植樹(shù)造林以罕見(jiàn)的速度得到了發(fā)展。
- She is the farthest advanced of all my students. 她是我所有學(xué)生中學(xué)習最好的。
- Carrying down or away. Used of a duct or vessel. 傳送的指通過(guò)導管或管道傳送下來(lái)的或輸送的
- Rice has advanced fifteen cents a pound. 米一磅漲了一角五分。
- His grandfather died at an advanced age of 98. 他祖父在九十八歲高齡時(shí)去世。
