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trace particle
相关语句
  示踪粒子
     We investigate the whole process and technique details of MicroPIV, such as the micro scale flow mode making technique, and optimum velocity according to the existing test condition, and selecting of trace particle, the software interface of the image acquisition, the software interface, analysis of the specification parameters of the MicroPIV technique, and the selection of the key experiment parameters.
     本文研究了MicroPIV试验技术的全部过程和技术细节,如现有条件下微型流场的制作工艺、适合测量条件的流场速度、示踪粒子的选择、图像采集的软件接口等,分析了MicroPIV技术的性能参数和重要实验参数的选取。
短句来源
     Because the price of the hardware of the DPIV technique is very high, we develop a DPIV technique by using hydrogen bubble as trace particle.
     鉴于DPIV技术硬件方面价格的昂贵,本研究开发了以氢气泡作为示踪粒子的图像测速技术。
短句来源
     DPIV Technique Using Hydrogen Bubble as Trace Particle and Its Referenced Axis Transition of Locomotive Image
     以氢气泡作示踪粒子的DPIV技术及其图像运动参考坐标系的转换
短句来源
     The liquid flow in straight channels with different conditions was measured through Micro-PIV. The suitable trace particle and magnification were chosen.
     对截面尺寸分别为400μm×400μm、600μm×600μm、800μm×800μm的方形直通道进行了Micro—PIV实验研究,选用合适的示踪粒子及放大率,最后得到液体流动的速度分布情况。
短句来源
     We adopt the DPIV test equipment using hydrogen bubble as trace particle developed by ourselves to measure the typical flow of column circuitous, plot the test result in flow field figure graph, give the explanation in fluid mechanics .
     本文运用自己动手开发的以氢气泡作为示踪粒子的DPIV测试设备,对圆柱绕流这一典型的流动进行了测量,对测试的结果绘制成流场的曲线图,并给出了流体力学解释。
短句来源
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  “trace particle”译为未确定词的双语例句
     By using the radiography which can trigger three times continually,we suceed in obtaining the streak photographs of particle movement and the axial velocity of trace particle along the chamber at the initial ignition stage in a 30 mm gun made of glass fiber reinforced plastics.
     利用连续三幅脉冲X光摄影技术,获得了30mm玻璃钢火炮膛内早期点火阶段药床运动状况的阴影照片和示踪药粒沿药室轴向的运动速度。
短句来源
     According to heat transfer mechanism of tubes in gas-solid flow, a two dimension mathematical model is established to predict heat transfer characteristics of twophase gassolid flow. Many effective factors have been considered in this model, such as particle motion trace, particle impact frequency, impact angle, resident time of particle in heated surface,contact area between particle and heated surface, particle concentration in flue gas, particle size, flue gas velocity, temperature and so on.
     本文根据气固两相流横掠圆管的传热机理,建立了能综合考虑颗粒运动轨迹、颗粒与壁面的碰撞频率、碰撞角度、颗粒在壁面停留时间、颗粒与壁面接触面积、固体颗粒浓度、颗粒粒度、圆管位置、烟气流速和温度等因素对气固两相流传热影响的两维数学模型。
短句来源
  相似匹配句对
     Particle Trace in the Study of Engine Charge Motion
     发动充量运动研究中的粒子示踪法
短句来源
     The Random Particle-Trace model Simulate the turbulence diffusion.
     颗粒的湍流扩散是通过随机轨道模型来模拟的。
短句来源
     Trace Calculus
     Trace演算
短句来源
     particle size;
     粒径大小;
     trace analysis;
     痕量分析;
短句来源
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  trace particle
Lagrangian approach is used to trace particle trajectory.
      


In the paper, fluid flowing in volute of low specific speed centrifugal pump with n = 66, type 50-32-125, had been researched and the flowing field in volute had been calculated with FEM, especially the flowing field nearby cu-ttongue. Otherwise, by means of tracing particles with smear photography camera to examine the calculation had been disccussed. It is good identity of comparing the results of calculation with smear photography.

作者研究了n_s=66的50-32-125低比速离心泵蜗壳中的流动,用有限元方法计算了蜗壳中的流场,特别是隔舌附近的流场;并且应用示踪粒子配合高速摄影的方法对计算进行了检验。计算与试验结果比较,符合得较好。

Experimental photographs of flow pattens provids valuabe information about mechanism of wave and current fileds. The whole operation of image processing and calculation is more suitable to microcomputer systems. The technique consists of two indenpenent parts; the pretreatment and the formation precessing. This paper only describes pretreatment, consisting of optical correction, specific gravity correction and insertion of trace particles. Making use of unigue programs to input digits of photographs, a...

Experimental photographs of flow pattens provids valuabe information about mechanism of wave and current fileds. The whole operation of image processing and calculation is more suitable to microcomputer systems. The technique consists of two indenpenent parts; the pretreatment and the formation precessing. This paper only describes pretreatment, consisting of optical correction, specific gravity correction and insertion of trace particles. Making use of unigue programs to input digits of photographs, a picture of flow pattern which is basic data formation precessing is output by the microcomputer graphics system.

本文对实测流谱图象提出了图/数预处理的方法和原理.预处理内容包括:1.因光线通过不同介质引起的误差进行光学修正; 2.对液体化学示踪剂因水温变化导致比重与水不一致引起的比重修正; 3.对图象中质点轨迹进行插补处理:包括对已拍得的图形作周期性的外延;图形沿水平移动和沿垂线插补.文中,利用编制的程序,只需送入实测的图象数据,即可对上述三方面的内容进行处理,并可由绘图仪快速输出经预处理后的流谱图象,为进一步作图象信息处理提供依据.文中,还提供了程序框图和实例.

By using the radiography which can trigger three times continually,we suceed in obtaining the streak photographs of particle movement and the axial velocity of trace particle along the chamber at the initial ignition stage in a 30 mm gun made of glass fiber reinforced plastics. According to the results ,it is found that the movement of the propellant beds is closely related to the igniter structure. The accumulation of the propellant beds at projectile base can be weakened by center-core igniter and pressure...

By using the radiography which can trigger three times continually,we suceed in obtaining the streak photographs of particle movement and the axial velocity of trace particle along the chamber at the initial ignition stage in a 30 mm gun made of glass fiber reinforced plastics. According to the results ,it is found that the movement of the propellant beds is closely related to the igniter structure. The accumulation of the propellant beds at projectile base can be weakened by center-core igniter and pressure waves can also be restrained effectively.

利用连续三幅脉冲X光摄影技术,获得了30mm玻璃钢火炮膛内早期点火阶段药床运动状况的阴影照片和示踪药粒沿药室轴向的运动速度。结果表明,火药床的运动规律与点火结构密切相关,均匀的中心传火管点火形式可以明显减弱火药床在弹底的堆积,对压力波起了抑制作用。

 
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