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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference: Residual Stress, Fitness - for - Service and Manufacturing Processes; 20030720-20030724; Cleveland,OH; US >PARALLEL COMPUTATIONS OF THE DYNAMIC BEHAVIOR OF BUBBLE PLUMES
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PARALLEL COMPUTATIONS OF THE DYNAMIC BEHAVIOR OF BUBBLE PLUMES

机译：气泡羽状流动力学行为的并行计算

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摘要

This paper discusses numerical results obtained with different strategies for modeling air-water flows. Mathematical models for dilute mixtures, derived from the two-fluid model equations, are presented. These models include diverse degrees of complexity, and they handle turbulence via a k - ε model and a Large-Eddy Simulation (LES) approach, in a consistent way. The models are implemented in a parallel code, which is then used to numerically simulate the dynamic behavior of bubble columns in two and three dimensions. The results of the simulations are employed to study the interplay between the turbulence of the carrier and the scales of the wandering motion, and to compare the capability of different models to capture the physics behind the phenomenon.
机译：本文讨论了用不同策略对空气-水流进行建模获得的数值结果。提出了从两流体模型方程式导出的稀混合物数学模型。这些模型包括不同程度的复杂性，并且它们通过k-ε模型和大涡模拟（LES）方法以一致的方式处理湍流。这些模型在并行代码中实现，然后用于对二维和三个维度中气泡塔的动态行为进行数值模拟。仿真结果被用来研究载体的湍流和游动尺度之间的相互作用，并比较不同模型捕获现象背后物理现象的能力。

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