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   circular bubble 的翻译结果: 查询用时:0.045秒
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circular bubble
相关语句
  圆水准器
     Application of Randomized HOUGH Transform to Testing Circular Bubble
     随机HOUGH变换在圆水准器检测中的应用
短句来源
  “circular bubble”译为未确定词的双语例句
     The conventional free-energy models are not Galilean invariant and the circular bubble will always become elliptical.
     常规自由能模型不能满足伽利略不变性,在模拟气泡运动时,圆形气泡往往会变为椭圆形;
短句来源
  相似匹配句对
     Application of Randomized HOUGH Transform to Testing Circular Bubble
     随机HOUGH变换在圆水准器检测中的应用
短句来源
     Bubble Chamber
     气泡室
短句来源
     Circular Economy
     让循环经济转起来
短句来源
     Circular Economy
     循环经济论
短句来源
     Flowing Visualization of Rotating Circular Cylinder Using Hydrogen Bubble Method with Double Wires
     双丝氢气泡法显示旋转圆柱绕流流谱
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  circular bubble
1.The permissible gas velocity in the tubular grid plate absorber is 50% higher than for the full-scale unit with circular bubble cap plates, tested under similar conditions.
      
We obtained the terminal velocity for a 3D circular bubble in a Rayleigh-Taylor simulation through the convergence of bubble velocities as rmin !0.
      
We start with a circular bubble near the bottom of the domain.
      
The rectangular bubble quickly deforms into a circular bubble due to the surface tension.
      
The deviatiun from the circular bubble shape is considerable during the initial stage of bubble formation.
      
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Circular bubble is tested mainly by manual work that leads to lower efficiency and limited precision. A new testing method based on CCD image system is proposed in which the bubble is laid on an inclinable workbench, and then digital images of the bubble are captured by CCD image system. After the displacement between the center of the bubble and the scale circle is detected through a revised randomized Hough transform, the scale unit and the sensibility of circular bubble can be obtained.

提出了一种基于CCD图像测量的检测方法,该方法将被检圆水准器置于可微倾的工作台上,通过CCD图像系统获取圆水准器的数字图像,并采用随机Hough变换分别提取圆水准器的指标圆和水泡的圆心位置变化量,从而实时检测圆水准器的格值和灵敏度信息。

Based on the lattice Boltzmann(LB) method,the improved LB model using free-energy approach is proposed and is used to simulate the two-dimensional stratified flow and "bubble" movement.The normal rebouding assumption is used in the model,which has the second order precision and is relatively easy to be implemented in the calculation.With the given conditions,the stratified flow is modeled and the calculated flow field is very consistent to the analytical solution.The maximum relative error of the flow speed...

Based on the lattice Boltzmann(LB) method,the improved LB model using free-energy approach is proposed and is used to simulate the two-dimensional stratified flow and "bubble" movement.The normal rebouding assumption is used in the model,which has the second order precision and is relatively easy to be implemented in the calculation.With the given conditions,the stratified flow is modeled and the calculated flow field is very consistent to the analytical solution.The maximum relative error of the flow speed is less than 0.3%.The conventional free-energy models are not Galilean invariant and the circular bubble will always become elliptical.The improved free-energy model is Galilean invariant,the shape of the moving "bubble" will not be anamorphic.In the given example of moving "bubble",the bubble is still the original shape after 200 000 time steps.The effectiveness and reliability of the model are demonstrated by numerical examples.

基于格子Boltzmann方法,采用改进的自由能模型,对二维分层流和“气泡”迁移现象进行了数值模拟。计算模型中,边界条件处理采用了法向反弹假定,这种处理方法具有二阶精度且简单易行。在给定的条件下,对分层流进行了数值模拟,流速的计算值与其理论解非常吻合,最大相对误差不超过0.3%。常规自由能模型不能满足伽利略不变性,在模拟气泡运动时,圆形气泡往往会变为椭圆形;而改进的自由能模型满足伽利略不变性,在模拟气泡时其形状不会失真。最后,给出了一个“气泡”迁移的数值仿真,在计算了200 000个时间步后,气泡仍然保持原来的形状。数值试验的结果验证了模型的有效性与可靠性。

 
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