螺旋桨
- propeller;blade;screw;screw propeller
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[screw propeller] 由附有两个、三个或更多相同的径向叶片对称地配置的中央叶毂构成的装置,并且叶片扭曲成像螺纹的一部分螺旋面,用于推进运载工具(如轮船、汽艇或飞机)
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导管螺旋桨非定常水动力性能数值预报
Fixed screw propeller shrouding Prediction of Unsteady Performances of Ducted Propeller
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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
Study on Project of Repair Task Below Water-Replacing Screw Propeller and Helm
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直升机的螺旋桨开始转动时,尽量离远点儿。
Stay well away from the helicopter when its blades start to rotate .
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绳索缠住了螺旋桨。
The rope fouled the propeller .
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伴随着隆隆的低沉噪声,螺旋桨开始旋转起来。
With a low-pitched rumbling noise , the propeller began to rotate .
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货船的螺旋桨被渔网缠住了。
The freighter fouled its propeller in fishing nets .
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头顶上,直升机在呼啸,巨大的螺旋桨叶片搅动着空气。
Overhead , the chopper roared and the big blades churned the air .
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一根绳子卡住了船的螺旋桨。
A rope jammed the boat 's propeller
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发动机使螺旋桨旋转起来。
The engine turned a propeller .
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飞机的螺旋桨在快速旋转时,要离得远一些。
Stay away when the plane 's propellers are spinning .
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此外,由于不用空气螺旋桨驱动,所以噪音也比较小。
Moreover , they are also quieter , as they are not driven by an airscrew .
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但要实现所有这些概念花销巨大,需要陆上和空中的安全认证标准,需要双重控制,需要复杂的折叠机翼和螺旋桨,还得从飞机跑道起飞。
But all these concepts are massively expensive , require safety certification standards for road and air , need dual controls , involve complex folding wings and propellers , and have to be flown from air-strips .
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B:为了保持飞行员凉爽。不信的话,只要停止螺旋桨转动看看飞行员会不会满头大汗。
B : " To keep the pilot cool . If you don 't think so , just stop it and watch him sweat ! "
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A:飞机的螺旋桨有什么用?
A : " What 's the purpose of the propeller ? "
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螺旋桨开始飞快地旋转起来。
The propeller started to spin around .
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引擎往复推动螺旋桨
The engine reciprocates the propeller .
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风门的调速与飞机螺旋桨的转动精确同步
The timing of the gun was precisely synchronized with the turning of the plane 's propeller .
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MATLAB辅助船用螺旋桨设计
Aided design of marine propeller using MATLAB
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运用多元多项式的回归分析方法给出了螺旋桨推力系数KT值的一种精度较高的数学表达式。
The mathematical expressions with high accuracy of propeller thrust coefficient are given by the regression analysis .
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CNC中的PLC转动的螺旋桨
CNC Turning The PLC in CNC
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这架四叶螺旋桨直升飞机是由装在iPhone里的软件控制的。
The four-propeller helicopter is controlled by software installed on the iPhone .
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螺旋桨理论在LPG船侧斜桨设计中的应用
Application of Propeller Theory in Skewed Propeller Design for a LPG Ship
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敞水回归曲线的回归系数用Access数据库储存,ADO数据库查询方式查询数据库,运用折半查找的思想设计出最佳螺旋桨。
The open water tests regression coefficients are stored in Access tables . ADO is used to query the Access database .
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螺旋桨目标的ISAR回波信号建模与分析
Modeling and Analysis of ISAR Echo Signal of Propeller Target
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基于螺旋桨特性四象限Chebyshev拟合式的深潜艇正倒航变速推进模型
Chebyshev Fit of Propeller Properties across Four Quadrants and Propulsion Model of DSV
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文中除给出两组导管螺旋桨的敞水特性曲线外,还给出了通常沿用的(1/2)Bp~δ设计图谱和相应于最佳状态的简易图谱。
In addition to the open water characteristics of the above mentioned ducted propellers , the usual BP - δ charts and the charts corresponding to the optimum condition are also given .
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导管螺旋桨内流场的LDV测量
LDV measurements of inner velocity field of ducted propeller
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基于HHT变换的船舶螺旋桨空泡激励振动信号特征分析
Research on time-frequency characteristic of vibration signals excited by the propeller vortex cavitations based on HHT transform
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VLCC大侧斜螺旋桨设计可行性研究
Feasibility Study of Highly-skewed Propeller for VLCC
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本文采用面元法理论以及计算流体力学软件FLUENT对螺旋桨与舵附推力鳍组合体系统进行了理论计算。
In this paper , panel method and CFD software FLUENT have been used for the calculation of the interaction of propeller and rudder with additional thrust fin .