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   engine 在 船舶工业 分类中 的翻译结果: 查询用时:0.193秒
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engine
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  柴油机
    Research on Marine Diesel Engine Fault Diagnosis Method Based on Information Fusion Technology and Application
    基于信息融合技术船舶柴油机故障诊断方法的研究与应用
短句来源
    A Study of Fuzzy Parameter Method Used for Low Speed Marine Diesel Engine Fault Diagnosis
    参数模糊法在船舶低速柴油机故障诊断中的应用研究
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    Study on Intelligent Monitoring and Intelligent Diagnosis of Marine Diesel Engine
    船舶柴油机智能监测与智能诊断的研究
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    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
    RESEARCH ON THE DYNAMIC PERFORMANCE OF MARINE DIESEL ENGINE 180 TYPE VALVE MECHANISM WITH CAM-SHAFT ON CYLINDER HEAD
    船用180柴油机顶置式凸轮轴配气机构动力性能的研究
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    DIAGNOSIS OF TROUBLE OF BOAT ENGINE AND STEERING PROPELLER BY APPLYING THE OIL MONITORING TECHNOLOGY
    应用油液监测技术诊断船舶柴油、旋回故障
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    Genetic Algorithm-based Optimization Design for Match of Ship, Engine and Propeller
    基于遗传算法的船舶推进系统船、、桨匹配优化设计
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    Towing engine study
    拖缆的研究
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    THE RESEARCH ON THE APPLICATION OF TC-W3 TWO STROKE ENGINE OIL IN 150HP OUTBOARD ENGINE
    TC-W3二冲程发动油在150HP舷外上的应用研究
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    Application of TC - W3 Engine Oil in 150HP Outboard Engine
    TC-W3舷外发动油在150HP舷外上的应用
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  “engine”译为未确定词的双语例句
    6S60MC Main Diesel Engine Simulation System and Failure Simulation of a Marine Power Plant Simulator
    轮机模拟器6S60MC柴油主机仿真系统与故障模拟
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    About Noise of Our Ship Engine Rooms
    关于我国船舶机舱噪声问题
短句来源
    VIBRATION AND NOISE CONTROL STUDIES FOR CENTRALIZED MARINE ENGINE CONTROL ROOMS
    船舶机舱集控室振动与噪声控制实验研究
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    Noise Control in Inland Ship's Engine Control Room
    内河船舶机舱集控室防噪声设计现状及其改进意见
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    The Application of Boundary Element Method to Marine Engine Structure
    边界元法在船舶动力机械强度分析中的应用
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  engine
The efficient Fourier transform also makes possible the efficient calculation of convolution over SO(3) which has been used as the analytic engine for some new approaches to searching 3D databases (Funkhouser et al., ACM Trans.
      
Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid air injection
      
Research results indicate that the electric supercharger can respond rapidly with the great flux, and it is independent of the operating conditions of a diesel engine.
      
Influence of temperature on cam-tappet lubrication in an internal combustion engine
      
The transient thermo-elastohydrodynamic (TEHL) lubrication simulation and isothermal elastohydrodynamic (EHL) simulation were performed on the exhausting camtappet friction pair of an internal combustion engine.
      
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In order to improve the engine performance at partial load, in this article, the effect of exhaust gas reeirculation back to the inlet manifold is theoretically and experimentally studied. Depending upon the load, the limit of optimum recycling gas quantity is various. Systematic study on the result of the experiment indicates, that the reeireulation of exhaust gas not only improves the combustion process, reduces the heat losses; but also increases the mechanical efficiency. Consequently, the specific...

In order to improve the engine performance at partial load, in this article, the effect of exhaust gas reeirculation back to the inlet manifold is theoretically and experimentally studied. Depending upon the load, the limit of optimum recycling gas quantity is various. Systematic study on the result of the experiment indicates, that the reeireulation of exhaust gas not only improves the combustion process, reduces the heat losses; but also increases the mechanical efficiency. Consequently, the specific fuel comsumption ge, the peak pressure P_z and the rate of pressure rise △P/△φ are reduced. The engine is operated more smoothly.

为改善发动机的低负荷性能本文对回放排气入进气管的方法进行了理论分析及试验研究,随发动机负荷不同最佳回放排气量是变的。系统分析改善发动机性能的原因指出,回放排气不仅导至在部分工况下燃焼过程的改善,热损失减少,并能提高发动机机械效率,其结果有效耗油量ge,最高爆发压力P_z及压力升高率△P/△φ均下降,发动机工作得更加柔和。

Because of the influence of the hull, the stern propeller of a twin-screw vessel is working under condition of oblique flow, and the unsteady working condition of the blade of a propeller is created. In this paper a study of the influence of oblique flow on various aspects of the properties of a propeller is described. It has been found that the thruat coefficient and the torque coefficient of a propeller working under condition of oblique flow are increased. If the angle of oblique flow is large, it is necessary...

Because of the influence of the hull, the stern propeller of a twin-screw vessel is working under condition of oblique flow, and the unsteady working condition of the blade of a propeller is created. In this paper a study of the influence of oblique flow on various aspects of the properties of a propeller is described. It has been found that the thruat coefficient and the torque coefficient of a propeller working under condition of oblique flow are increased. If the angle of oblique flow is large, it is necessary to introduce a suitable correction in screw design, otherwise, the screw would work under overload condition. It would cause the main engine unable to rotate at the given revolution with developing full power, so the designed speed of ship may not be reached. The approximate formulas for this correction are suggested. In addition, it is found the propeller lias been experienced by a transverse force while working in oblique flow. This transverse force consists of two parts: a force acting in the plane passing through this axis of propeller and parallel to the plane of oblique flow; and an another force, which is perpendicular to the plane. The first part of this force is already known before; the another part is arising from a blade working under unsteady condition. This is the reason for some single-screw ships turning automatically, thus explained why some vessels automatically turn along certain direction. In this paper these approximate formulas for the calculation of the aforesaid transverse force are suggested, and may be applied to compute the magnitude and the direction of transverse force acting on a propeller.

由于船体的影响,双桨船的螺旋桨处于斜向来流的条件下运转。斜流造成螺旋桨叶工作状态的非定常性。本文研究了斜流对螺旋桨性能影响的各个方面。发现处于斜流中运转的螺旋桨的推力系数及扭矩系数都增大。若斜流角较大,则设计时有必要进行适当的修正,否则螺旋桨将处于重载情况下工作。主机不能达到预定的转速。不能发出全部功率及达到设计航速。推出了计算上述修正量的近似公式。此外,还发现螺旋桨在斜流中运转时,受到侧向力的作用。该侧向力可分为两部分:一部分处于斜流v_s并通过桨轴的平面内(L_n);另一部分垂直于前述平面(L_ξ)。前者是众所周知的侧向力;后者是由于桨叶处于非定常状态而引起的侧向力。这个侧向力就是引起某些单桨船自动进入回转的原因。因而得以解释某些船舶自动转入回转,并沿一定方向回转的现象。文中推荐了估算上述侧向力的近似公式,可以用来估算作用在螺旋桨上的侧向力的大小及方向。

In this paper, by using the assumptions of average deflection, average rotation and average shear deformation, the differential eqs. of the flexural vibrations of the orthotropie plates taking into account the effect of shear deformation and rotatory inertia are derived. The formula for calculating the freqijncies of rectangular plates with simply supported edges is obtained. If let the length of one edge-voo, then this formula becomes the freqency formula of Timoshenko's beam. Futhermore, the condition of several...

In this paper, by using the assumptions of average deflection, average rotation and average shear deformation, the differential eqs. of the flexural vibrations of the orthotropie plates taking into account the effect of shear deformation and rotatory inertia are derived. The formula for calculating the freqijncies of rectangular plates with simply supported edges is obtained. If let the length of one edge-voo, then this formula becomes the freqency formula of Timoshenko's beam. Futhermore, the condition of several concentrated masses on the plates is considered. The approximate formulas for calculating freqenciesin this condition are gained by means of the method and the Rayleigh-Ritz's method, and are applied to calculate the freqencies of the ship's double bottom in engine room. From the example, we can see that the effect of shear deformation on the freqeneies of the double bottom in engine room is very large. If we neglect the effcet of shear deformation, i.e. the classical theory of flexural vibrations of plates is used, the calculated values of the 1st freqeney of the double bottom in. engine room are larger than the experimental values about 20%. However, by using the method of present paper, taking into account the shear deformation, these errors fundamentally can be corrected.

本文用平均转角、平均挠度和平均剪切变形之假设,导出了正交异性板在虑及剪切变形和剖面转动惯量的影响下之横振动微分方程组,并求得了四周简支矩形板在计及剪切和剖面转动影响下之固有频率公式。如令平板一边的边长→∞,即得铁木辛柯(Timoshenko)梁的频率公式。进一步,我们讨论了板上具有若干集中质量的情况,用加辽尔金法和雷利-里兹(Rayleigh-Ritz)法,求得了固有频率的近似公式,并将其用于计算船舶机仓双层底(结构上之正交异性板)的振动问题。从所举实例可见,剪切变形对船舶双层底的固有频率影响很大。若不计剪切影响,即用经典的平板振动理论,则算得之机仓双层底第一固有频率比实验值大20%左右。但用本文之方法计及剪切变形的影响后,这一误差基本上可得到校正。

 
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