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流动参数 的英文

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"流动参数"怎么读
英文翻译手机版
  • flow parameters
例句与用法
  • Critical parameter of flow
    临界流动参数
  • We analyze the effects of the flow parameters and the geometrical parameters on the axial flow , the secondary flow and the friction
    分析了各种流动参数和几何参数对轴向速度、二次流动、壁面摩擦力、摩擦系数比的影响。
  • The results of test cases indicate that the flow parameters for the final design met the requirements and that the geometric parameters were fairly close to the desired values
    算例设计结果表明,最终设计翼型的流动参数和形状参数都很接近要求的值。
  • Wave systems are analyzed from predicted flow parameters . combustion state is evaluated from the distribution of chemical component density . therefore , theoretical explanation is afforded to improve and optimize chamber frame
    采用预测的流动参数分布云图分析了波系结构,从化学组分的浓度分布判断燃烧状况的好坏,从而为改善优化燃烧室结构提供理论依据。
  • The conclusion that the optimal secondary nozzle exit area generating the maximum thrust agrees well with the numerical simulation , indicating that the exit area of secondary nozzle should be optimized according to structure and flow parameters during design
    表明在引射火箭设计时,应结合引射火箭的结构和流动参数对二次喷管出口面积进行优化设计,以达到最佳推力性能。
  • Relaxation factors are adopted . a program is produced to simulate swirling air flow in a horizontal straight pipe and compare with experiment data . the simulation prove that the modified k - model can predict the core , annular and wall regions near entrance and axial velocity far from entrance , but it ca n ' t predict tangential velocity well in weak swirling area far from entrance
    编程计算水平圆管内螺旋气流的流动参数并与实验数据对比,结果表明修正-湍流模型在近入口处基本上能预测出中心区、环形区和近壁区的流动特性,在远离入口弱旋流区域对轴向速度的预测符合实际情况,但是出现对周向速度修正过大的现象。
  • A new method should be discovered to design the function block . the thesis is based on the rheology and hydrokinetics of the polymer melt , and calculates the velocity in the die by fem simulation , and provides die design with theory proof . according to the existed theory , i summarize and conclude the fem formula of the polymer flow , and then write the program to calculate on the computer
    本论文中功能块结构的研究,是以熔体的流变性以及流体动力学理论基础上,对在口模中的熔体进行数值模拟,计算出熔体在口模中的流动参数(主要是速度的分布) ,从而可以科学的对功能块几何结构进行优化。
  • Reynolds numbers ( based on average velocity at passage inlet and hydraulic diameter of the passage ) are changing from 20000 to 80000 and the extraction ratios ( suction ratios , sr ) are changing from 0 . 30 to 0 . 60 for each test model . so the influences of reynolds numbers , suction ratios and etc . on the discharge coefficients and pressure loss characterist ics are also presented . flow fields of typical passages are visualized with the flow visualization techniques and measured with hot - wire anemometer
    对每一种通道结构,实验在不同通道进口雷诺数( re = 20000 、 40000 、 60000 、 80000 )和不同通道总出流比( sr = 0 . 30 、 0 . 45 、 0 . 60 )下进行,以研究这两个流动参数及其它相应变化的参数(气膜孔的雷诺数re _ h 、气膜孔与通道的动量比i等)对出流特性和流阻特性的影响规律。
  • Based on prandtl ' s momentum transportation , this paper calculates in detail the physical quantities such as eddy viscosities , and ratio of eddy viscosity to motion viscosity , total stresses with respect to relative position in three regions of viscous sub - layer , buffer layer , and main turbulent stream for non - newtonian fluid flowing turbulently in ducts , which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus , discusses the influence of polymer drag reduction on flowing properties of non - newton fluid , analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate
    摘要以普兰德动量传递理论为基础,按照卡门的三层模型,通过室内模拟环道用0号柴油及加入减阻剂在圆管内的流动参数的测定,计算了非牛顿型流体管内湍流边界层的层流内层、过渡层、湍流中心的涡流粘度,涡流粘度与运动粘度比、总应力随相对位置的变化等定量参数,探讨了高分子减阻剂对非牛顿流体流动特性的影响,对湍流减阻现象的机理与增大减阻率的条件进行了定量分析。
  • In the theoretical aspect , performance analytical model of was proposed , in which allowances were made to allow for variable cross - sectional area , include the heat release of chemical reaction , and allow for mass addition . software was generated , and performance of rocket ejector was analyzed accounting for heat release location , flow parameters and structural configuration
    在理论方面,建立了引射火箭模态的性能分析模型,该模型考虑了化学反应放热、加质和变几何截面的影响;编写了相应的软件,并结合放热位置、流动参数和发动机结构进行了引射火箭的概念设计。
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