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characteristics of flow field
相关语句
  流场特性
     It is directive to the selection of desulphurization tower and actual operation through analysis and research on pH,L/G,characteristics of flow field and fouling.
     通过对脱硫塔酸碱度(PH)、气液比(L/G)、流场特性、结垢等各种性能进行分析研究,对脱硫塔的选择和实际运行具有一定的指导意义。
短句来源
     Research on the Characteristics of Flow Field of the Local Generator
     局部起旋器的流场特性研究
短句来源
     Research on the Characteristics of Flow Field & Energy Consumption and Effectiveness of the Local Generator
     局部起旋装置流场特性及能耗效率研究
短句来源
     Though the test of the flow field of 200W concentrated wind energy turbine resemble model, it was obtained that its characteristics of flow field, such as static pressure, total pressure, flow speed and so on. It was educed that it is faster than neural speed of wind 1.36 times where installed impeller in middle of the cylinder and the wind energy increase to 2.52 times.
     通过对200W浓缩风能型风力发电机相似模型的流场特性实验,获得其总压、静压、流速等流场特性,得出中央圆筒叶轮安装处流速增至来流流速的1.36倍,风能增至2.52倍;
     Research on the Characteristics of Flow Field of the Internal Local Generator
     起旋器内部流场特性试验研究
短句来源
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  流场特征
     Mathematical model of tracing exploration is established after generalizing the law of movement of tracer in seepage flow field of rockfill dam to master the characteristics of flow field.
     本文通过对堆石坝渗漏流场中示踪剂运移规律进行概化 ,建立示踪探测数学模型 ,达到了认识其流场特征的目的。
短句来源
     Jointly considering seepage flow hypothesis, drainage mechanism of fluids, characteristics of flow field and radius of well, the confined well theory may be exploited in illustrating the soft rock's flowing toward tunnel.
     综合考虑承压井引用的渗流假设、流体释放机制、流场特征及井径等因素 ,可以用承压井理论来解决软岩向深埋隧道的流动问题。
短句来源
  流场特点
     Based on the characteristics of low velocity CDA blade shape,this paper investigated low velocity CDA used in the design of high pressure fan and analyzed the characteristics of flow field of CDA blade shape fan.
     针对于低速CDA(可控扩散叶型)叶型的气动特点,研究了将低速CDA叶型应用于高压头风机设计中的具体技术路线,以及叶型生成与空间积迭问题。 在此基础上分析了CDA叶片风机的流场特点
短句来源
  “characteristics of flow field”译为未确定词的双语例句
     Because of its complexity, it is difficult to completely understand the characteristics of flow field of Pulsed Detonation Engine (PDE) under current experiment conditions.
     由于脉冲爆轰发动机流场复杂性,在目前的实验条件下难以全面地了解脉冲爆轰发动机流场的特性,对脉冲爆轰发动机的数值模拟成为重要的科研方式。
短句来源
     The characteristics of flow field within a cycle are acquired,fairly high pressure and wall shear stress almost remain stationary at the distal end of aneurysm.
     得到了脉动入流一个周期内流场特征的变化规律,发现动脉瘤的后端有相当高的压力和壁面剪切应力,而且高压力和壁面剪切应力分布的位置几乎是固定的。
短句来源
     A Study on Pressure Distribution Characteristics of Flow Field around Submarine Fairwater and Its Application
     潜艇指挥台围壳流场压力特性及其应用研究
短句来源
     The characteristics of flow field in boundary layer are different from that of laminar flow and turbulence. So, it was not ignored.
     边界层虽很薄,但由于其水流特性与一般的层流、紊流特性相差甚大,因而它对水流的影响是不可忽略的。
短句来源
     With the development of computing technology, Computational Fluid Dynamics (CFD) can complete the analysis of flow parameters in a relatively shorter time, provide the detailed characteristics of flow field, and remedy the deficiency of wind tunnel and measurements, and has been widely used in the design and performance research of scramjet.
     随着计算技术的发展,计算流体力学(CFD)可以在相对较短的时间内完成流动参数的分析研究,提供流场的详细特征,弥补风洞试验的局限性,因此在超燃冲压发动机的设计和性能研究方面得到了广泛的应用。
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  characteristics of flow field
Characteristics of flow field and water concentration in a horizontal deadleg
      
The effects of different physical parameters were investigated on the properties of parametric resonance and the stability characteristics of flow field.
      


In this paper, the early stages of unsteady flow around a circular cylinder, started impulsively from rest and subsequently moving with a constant velocity perpendicular to its axis, are studied by coupling discrete vortex potential flow theory with boundary layer theory. The flow is considered to be laminar and the Reynolds number in high. development in time of vortex motion, characteristics of flow field, boundary layer separation point and drag coefficient are given in detail. Results of coupled calculation...

In this paper, the early stages of unsteady flow around a circular cylinder, started impulsively from rest and subsequently moving with a constant velocity perpendicular to its axis, are studied by coupling discrete vortex potential flow theory with boundary layer theory. The flow is considered to be laminar and the Reynolds number in high. development in time of vortex motion, characteristics of flow field, boundary layer separation point and drag coefficient are given in detail. Results of coupled calculation contain the interactions between boundary layer, external potential flow field and near wake. The calculated development of symmetric vortex posseses many of the observed features in flow field visualization. Pressure and velocity distributions are also given. The drag coefficient obtained is in excellent agreement with experiment. In the calculation of boundary layer separation point, the Startford method is applied to the quasi-steady boundary layer state. The calculated result is better than those given by others and the computation is simpler. Shedding times and locations of discrete vortices, which have been generated before the boundary layer reaehs the qusi-steady state, are determined according to the unsteady M. R. S. criterion. The effect of these initial discrete vortices on the main vortex development and flow field is also discussed.

本文用离散涡位流理论与边界层理论相结合的方法,研究高雷诺数、不可压、层流情况下圆柱非定常运动的初期流动(圆柱由静止突然起动而后保持匀速运动),给出了柱后旋涡发展的详细过程;流场分布、边界层分离点及阻力等随时间的变化规律。本文耦合计算结果包含了流动过程中边界层、外流与近尾迹三者的相互作用。计算所得的旋涡发展与实验显示的图象十分相似,物面压力与速度分布合理,阻力计算与实验结果相符很好。在分离点耦合计算中将stratford方法应用到准定常边界层情况,计算方法简单结果也较满意。对于准定常变化前分离产生的离散涡,其脱落时间和初始位置,本文根据非定常M. R. S. 分离准则确定。文中还讨论了这些离散涡对柱后旋涡发展及流动的影响。

This paper mainly presents the experimental research on the optical properties of high temperature, low density air using a 800 mm diameter shock tube and a radiometer. The experimental temperature ranges over 4380~7500K; the density ranges over 1.41×10-2~1.00×10-1 ρ0 (ρ0 is the standard density at sea level). The spectral wavelengths are 4300, 5400, 6400, 7200 and 10380 A. The experimental results are compared with the theoretical and experimental results published by other countries and shown a good coincidence....

This paper mainly presents the experimental research on the optical properties of high temperature, low density air using a 800 mm diameter shock tube and a radiometer. The experimental temperature ranges over 4380~7500K; the density ranges over 1.41×10-2~1.00×10-1 ρ0 (ρ0 is the standard density at sea level). The spectral wavelengths are 4300, 5400, 6400, 7200 and 10380 A. The experimental results are compared with the theoretical and experimental results published by other countries and shown a good coincidence. The characteristics of flow field are given and the reliability of experimental results is analysed too.

本文主要介绍用低密度激波管和辐射计得到的高温空气光谱辐射系数的实验结果,并与国外理论和实验结果进行了比较,同时给出了流场特点和实验结果的分析.实验温度为4380~7500K,密度为1.40×10~(-2)ρο~1.00×10~(-1)ρο(ρο——标准空气密度),光谱皮长为4300,5400,6400,7200和10380(?).

In this paper a tetroon experiment carried out over the area of Baotou Steel Company, Baotou, the Inner Mongolia Autonomous Region is simply described. Diffusion parameters have been estimated by single tetroon trajectories and double tetroon series as well. The results have been analyzed and compared with those of atmospheric diffusion experiments at home and abroad. The characteristics of flow field in this area have been analyzed by using tetroon flight trajectories, and some ideas concerning the probable...

In this paper a tetroon experiment carried out over the area of Baotou Steel Company, Baotou, the Inner Mongolia Autonomous Region is simply described. Diffusion parameters have been estimated by single tetroon trajectories and double tetroon series as well. The results have been analyzed and compared with those of atmospheric diffusion experiments at home and abroad. The characteristics of flow field in this area have been analyzed by using tetroon flight trajectories, and some ideas concerning the probable pollution conditions are presented.

本文简述了在中国内蒙古包头市包钢地区进行等容气球试验的概况.文中用单个等容气球轨迹和双等容气球组两种方法估算扩散参数,并将此结果与国内外大气扩散试验结果进行了比较分析,同时利用等容气球飞行轨迹对该地区的流场特征进行了分析,并对可能造成的污染情况提出了看法.

 
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