流体动力

  • 网络Hydrodynamic;Fluid Power;Fluid Dynamics;CFD
流体动力流体动力
  1. 还讨论了流体动力数值计算(CFD)与氢泵空气模拟试验的问题,可以说CFD和空气模拟试验是氢泵设计过程验证的可行方法。

    In this paper the computational fluid dynamics ( CFD ) and air test are also discussed . It can be said that in nowadays CFD and air test are the applicable ways for verifying the design quality .

  2. 光干涉弹性流体动力润滑试验台设计

    The Test Bed Design of Light Interference Elastic Fluid Dynamics Lubrication

  3. 喷水推进双级轴流泵流体动力性能CFD分析

    Hydrodynamic analysis of a waterjet two-stage axial-flow pump based on CFD

  4. 流体动力粘度对液封液桥内Marangoni对流的影响

    Effect of Dynamic Viscosity on Marangoni Convection in Liquid Bridge With Liquid Encapsulation

  5. 本文叙述了渐开线直齿圆柱齿轮EHL(弹性流体动力润滑)油膜厚度的测量法;

    The measuring method of EHL oil film in involute spur gear is presented in this paper .

  6. 运用数值求解不可压缩雷诺平均N-S方程的方法研究了带鳍舵无动力鱼雷的流体动力特性。

    In this paper , the fluid dynamic characteristic on the torpedo with fin and rudder was researched by solving incompressible Reynolds Average N-S equation numerically .

  7. 流体动力试验部分利用了计算流体动力学分析(CFD)工具进行了缸内过程(如压缩过程)的流体动力学仿真,得到了缸内流场、温度场和压力场的分布和变化规律;

    In the fluid test , working process in the cylinder such as compression process is simulated by hydrodynamic analysis tool , with the law of flow , temperature and pressure field variety obtained .

  8. 本文是对内燃机凸轮-挺柱副不稳定状态承载弹性流体动力润滑(简称动态弹流润滑或动态EHL)油膜厚度和其他润滑参数的计算及其润滑性能分析研究的继续。

    This paper is a continuation of the computation of unsteady loaded EHLfilm thickness of cam-tappet pairs of IC engines and analysis of its lubrication performance .

  9. 在Harris简化方法的基础上,采用弹性流体动力润滑理论,改进其力学模型,提出更为合理的假设,简化了平衡方程组的求解。

    Based on the method of Harris , the method of this paper takes the elasto-hydrodynamics lubrication theory into account , modifies the model of loading , provides more reasonable assumptions , and simplifies the equilibrium equations .

  10. 介绍空调用离心式喷嘴的雾化机理及性能评价、新型大孔径空调喷嘴性能、立式喷水室热工性能、新型流体动力式喷水室研制的实验环境和喷水室CAD软件开发等研究情况。

    Introduces the spraying mechanism and performance appraisal of centrifugal nozzles used for AC , characters of new large orifice nozzles , thermodynamic performances of vertical spray chambers , experimental research and development of new fluid dynamic type spray chambers , and the development of their CAD softwares also .

  11. 对某多缸内燃机滑动主轴承的热流体动力润滑(THD)计算分析表明,除设计因素外,实际使用因素也对主轴承的润滑状况产生不良影响。

    Thermohydrodynamic calculation and analysis for main journal bearings in multi-cylinders ICE were made , which indicates that besides design parameters , practical complications also have influence on lubrication condition of main journal bearings .

  12. 对Alstom公司三峡小支柱簇双层瓦试验推力轴承进行了热弹性流体动力润滑性能有限元分析。

    The thermo elastic hydrodynamic lubrication performance of Three Gorges test thrust bearing with pins and double layer system for Alstom have been analyzed by the finite element methods .

  13. 通过设计环块试验机模拟部分膜弹性流体动力润滑(PEHL)下的微磨损工况,考察了在线检测技术在润滑条件下对微磨损检测的有效性。

    The technique was validated under lubricated condition through designing a block-on-ring to simulate the condition of micro-wear under PEHL ( Partial Elastohydrodynamic Lubrication ) .

  14. 实际上,m0代表额外的外部摩擦来源,再加上滚动摩擦中的“流体动力”成份,而这一成份中也有一部分与负荷相关。

    In fact , M0 accounts for the additional external sources of friction , together with the " hydrodynamic " component of rolling friction , which also has a load dependent part .

  15. 耦合高速滚动轴承动力学理论和部分弹性流体动力润滑(PEHL)理论,提出了考虑轴承元件表面粗糙效应的高速滚动轴承动态特性分析方法。

    A new dynamic analysis method for high-speed roller bearings is put forward by coupling dynamic theory of high-speed roller bearing with Partial Elasto-Hydrodynamic Lubrication ( PEHL ) theory .

  16. 现有流体动力塑料光滑扭带不能用于流速低于1.0m·s-1的传热设备的污垢自动清洗、传热强化幅度不高。

    The plastic smooth twisted tape can not be used for heat exchangers with low fluid velocity of less than 1.0 m · s - 1 to prevent and remove fouling and it can not enhance heat transfer .

  17. 本文以英国道森与希金森的弹性流体动力润滑理论(EHD)为基础,对主齿轮减速器第二级齿轮擦伤的形成进行了计算分析和阐述,并对抑止擦伤提出了建议。

    On the basis of the elastic-hydrodynamic lubrication theory proposed by the English engineers Dawson and Higginson the author has described and made a numerical analysis of the scoring of the main gear reduction unit second gear , Proposals aimed at alleviating scoring are also given .

  18. 整个试验在格拉斯哥大学流体动力实验室完成,测量了轻载和满载下SchiehallionFPSO的运动及波浪载荷。

    The whole experiments to obtain the FPSO motions and sea loads were carried out in the Hydrodynamics Laboratory of University of Glasgow with a 1 / 80 scale model of Schiehallion FPSO in both fully loaded and ballast conditions .

  19. 本文应用数值方法分析了周期性动载荷对线接触热弹性流体动力润滑的影响,使用Ree-Eyring流变模型来描绘润滑剂的非牛顿性质。

    The influence of periodic loads on the thermal elastohydrodynamic lubrication ( TEHL ) in line contacts was investigated numerically in this paper . The Ree-Eyring 's theological model was employed to describe the non-Newtonian behavior of the lubricant .

  20. 流体动力程序控制回路的状态式逻辑设计法

    Logic Design with State Equation for Fluid Power Sequential Control Circuits

  21. 时域速度势和流体动力的数值计算

    Numerical Calculation of Velocity Potential and Fluid Dynamic in Time domain

  22. 计入轴变形导致轴颈倾斜的径向滑动轴承流体动力润滑分析

    Hydrodynamic Lubrication Analysis of Misaligned Journal Bearing Caused by Shaft Deformation

  23. 水下航行器流体动力噪声绕射声场研究

    The diffracted sound fields induced by fluid noise of underwater vehicle

  24. 具有推力矢量控制系统的导弹流体动力

    Fluid Forces on a Missile with Control System of Vectorial Thrust

  25. 多重尺度法在椭圆管道磁流体动力流中的应用

    An Application of the Method of Multiple Scales to Magnetohydrodynamic Flow

  26. 流体动力角式隔膜排泥阀的设计

    Design of the mud valve of angle type with fluid power

  27. 车载导弹多柔体发射动力学仿真研究电流体动力等离子体发生器的仿真优化

    Simulation Study on Multi-flexible-body Launching Dynamics for a Vehicular Missile Launcher

  28. 船底舵流体动力的数值计算

    Calculation of Numerical Value of Fluid Dynamic Force of Bottom Rudder

  29. 流体动力式超声喷水室治理煤灰纱研究

    Research on Harnessing Coal-dust Stained Yarn with Hydrodynamic Ultrasonic Water-jet Room

  30. 弹性流体动力润滑在工程机械齿轮传动设计中的应用

    Application of elastic fluid-dynamic lubrication in gear transmission for construction machinery