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   propeller 在 船舶工业 分类中 的翻译结果: 查询用时:0.009秒
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机械工业
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propeller     
相关语句
  螺旋桨
    Research on Coupling Theory and Its Experiments between Vibration and Lubrication of Ship Propeller Shaft
    船舶螺旋桨轴振动与润滑耦合理论和试验研究
短句来源
    Application of the Regression Analysis Method in Treating Experimental Data of Ducted Propeller Series in Cavitation Tunnel Tests
    导管螺旋桨系列空泡筒试验数据的回归分析处理方法
短句来源
    The Ship Hull Steady Vibration Resulted by Diesel Engine and Propeller
    柴油机及螺旋桨引起的船体稳态振动
短句来源
    STRESS MEASUREMENTS AND THEIR RESULTS ANALYSES ON THE GD TYPE PROPELLER BLADES OF A TUGBOAT
    关刀型螺旋桨桨叶应力实测试验及其结果分析
短句来源
    STRESS MEASUREMENTS AND THEIR RESULTS ANALYSES ON THE PROPELLER BLADES
    螺旋桨桨叶动态应力测试及其结果分析
短句来源
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  推进器
    The Peculiarity Analysis of SSP Propeller System
    SSP推进器系统原理及特点分析
短句来源
    Motion simulation of submarine with variable vector propeller
    装有全方向推进器的潜艇的运动仿真
短句来源
    Study on the Wake Model of the Single POD propeller
    单桨POD推进器螺旋桨尾涡模型研究
    Performance of POD Propeller and Its Naval Application
    POD推进器性能和军事应用研究
    At present, POD propeller has already become the newest development trend of propelling technology in foreign countries.
    目前POD推进器已成为国外螺旋桨推进技术的最新发展趋势。
短句来源
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    Analysis on Test Material of Rudder after Propeller
    后舵试验资料的分析
短句来源
    Afterbody Lines of Large Full Ship with Low Revolution Large Diameter Propeller
    低转速大直径肥大船的后体线型
短句来源
    Study of Asymmetrical Afterbody with Single Propeller
    单非对称尾船型试验研究
短句来源
    Calculations of Hydrodynamic Performance of the Backing Rudder and the Back Flap Rudder of the Nozzle Propeller
    倒车舵导管后襟翼舵水动力性能计算
短句来源
    Comparitive Study on the Performance of Highly Skewed Propeller Designed Theoretically with Results from Model Tests
    油船大侧斜的设计模型试验研究
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  螺桨
    The trends of the present-day gearing system development is characterized by a high power input and output,highly flexible adaptability low propeller speed as well as the use of high-strength gearing materials.
    当前齿轮装置的发展趋势是:大功率输入与输出,高度灵活的适应性,低螺桨转速及增强齿轮材质。
短句来源

 

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      propeller
    The hydromechanical performances of the undulatory long dorsal fin propeller of G.
          
    On the nonlinear theory of a propeller in an axial regime
          
    Moreover, the results of the present paper can be used to evaluate the hydrodynamic forces acting on underwater wings or propeller blades during intersection with a free surface.
          
    Approximate calculation of three-dimensional cavitating flow around propeller blades in a viscous capillary fluid
          
    A method of estimating the critical cavitation number for marine propeller blades is proposed.
          
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    In order to approach the world level of shipbuilding,science within twelve years,it is necessary to survey the recent development in shipbuilding research of some leading maritime countries.This paper starts with stating the achievments of shipbuilding research work in this himdred years and steps taken by some leading countries for further development after the World War Ⅱ.Then it goes on to discuss the main achievments in the field of ship hydrodynamics and ship strength in recent years,and these are subdivided...

    In order to approach the world level of shipbuilding,science within twelve years,it is necessary to survey the recent development in shipbuilding research of some leading maritime countries.This paper starts with stating the achievments of shipbuilding research work in this himdred years and steps taken by some leading countries for further development after the World War Ⅱ.Then it goes on to discuss the main achievments in the field of ship hydrodynamics and ship strength in recent years,and these are subdivided into the following headings: Ship hydrodynamics:(1)Systematic model testing.(2)Model-ship co-relalion, (3)Theory of wave making resistance,(4) Systematic testing of model propellers, (5)Propeller theory,(6)Cavitation,erosion,Singing of propellers,(7)Ship motion and seakeeping quality. Strength of ships: (1) Strength testing of actual ships and stress measure- ments on sea way,(2)Strength testing in model tank,(3)Problem of long superstructure,(4) Elastic and plastic strength of ship plating,(5) Ship vibration, (6) Materials for ship construction. This paper also gives an account of the preliminary achievments of the Chinese shipbuilding research work in respective fields and expresses the opinion that a great deal of amount of work is left to be done for the Chinese naval architects.Finally,the paper suggests that China must redouble her effort to construct her main shipbuilding research base equiped with instruments and apparatus of highest quality and to train the research experts as quick as possible.

    为了在十二年内争取赶上世界的造船科学水平,就有必要对世界各国造船科学研究的发展,进行一番探讨。本文首先说明造船科学在百年来所起的作用,和二次世界大战后各国对造船科学研究的组织和发展。进一步探讨了二次大战后在船舶流体力学及船体强度学两方面的主要成就。并分以下几部份叙述: 船舶流体力学方面:(1)关于船型的系列试验;(2)关于船模与实船的换算关系;(3)兴波阻力理论;(4)推进器系列试验;(5)推进器理论;(6)推进器空泡、剥蚀、唱音等问题;(7)船舶运动和适航性。船体强度学方面:(1)实船强度试验和航行中应力测量;(2)船模试验池中的强度试验;(3)长上层建筑问题;(4)船体钢板的弹性塑性问题;(5)船体振动问题;(6)造船用材料问题。文中也涉及一些我国造船科学研究的初步收获,并说明我国在整个造船科学领域中还留着很大空白面。为了进一步发展我国的造船科学研究;建设主要的研究基地,充实仪表设备和培养研究人员是刻不容缓的事。

    In this paper, formulas to calculate the lift, drag and moment coefficients of a supereavitating circular arc hydrofoil with zero thickness are derived by using the linearized theory developed by Geurst. Similar to the method used in aerodynamics, we integrate the Cauehy type integral in Geurst solution by means of contour integral, the velocity field of a circular arc hydrofoil can be represented analytically. The complex velocity w(z) is then expended into Laurent series and if the coefficients of the first...

    In this paper, formulas to calculate the lift, drag and moment coefficients of a supereavitating circular arc hydrofoil with zero thickness are derived by using the linearized theory developed by Geurst. Similar to the method used in aerodynamics, we integrate the Cauehy type integral in Geurst solution by means of contour integral, the velocity field of a circular arc hydrofoil can be represented analytically. The complex velocity w(z) is then expended into Laurent series and if the coefficients of the first three terms in series are determined, the hydrodynamie characteristics of a circular arc hydrofoil can be derived. The object of this paper is to investigate the camber effect of a supercavitating hydrofoil upon its performance characteristics, hence the results obtained are useful in analysing the performance of the blade section of a supercavitating propeller or the hydrofoils of a high speed hydrofoil craft. The numerical calculations show that when the cavitation number and the angle of attack are sufficiently small the results may be used as the first approximations.

    本文对有拱度而无厚度的圆弧型水翼按J.A.葛尔斯脱(Geurst)线性理论导出其升力、阻力和力矩系数公式,以便看出超空泡水翼的拱度效应。与空气动力学中所用的方法相似,首先用围道积分求出葛尔斯脱解中的柯西型积分,这样圆弧水翼的速度场可以确定。然后把复速度w(z)展成罗郎级数,设法求出级数中前三项系数,要求的流体动力系数即可得出。本文的结果可用分析和估算超空泡螺旋桨叶切面和高速水翼艇水翼的流体动力性能。最后数值计算的结果表明,当攻角和空泡数充分小时,本文结果可作为一级近似。

    In this paper, we have generalized the "Prago-Figiaivsky's" wing theory of small aspect ratio, have established the formulas of the coefficients of normal force, induced resistance and the center of pressure. We have also suggested a way to evaluate the lower limit of the critical angle of attack. After re-calculating the hydrodynamic forces of a rectangular plate, we have applied this method to rudder behind the ship and propeller. Results are in agreement with the known experimental or theoretical results....

    In this paper, we have generalized the "Prago-Figiaivsky's" wing theory of small aspect ratio, have established the formulas of the coefficients of normal force, induced resistance and the center of pressure. We have also suggested a way to evaluate the lower limit of the critical angle of attack. After re-calculating the hydrodynamic forces of a rectangular plate, we have applied this method to rudder behind the ship and propeller. Results are in agreement with the known experimental or theoretical results.

    本文推广了布拉哥和费佳也夫斯基的短翼理论,建立了计算短翼法向力、诱导阻力和压力中心的公式,提出了估计临界攻角的方法,重算了矩形平析所受的流体动力。并把此方法应用到位于船和桨后的舵上去,与已有的实验结果和计算数据进行了比较,符合的程度是满意的。

     
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