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Computational fluid dynamics studies of dry and wet pressure drops in structured packings

机译:结构填料中干,湿压降的计算流体动力学研究

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摘要

Computational fluid dynamics was used to study the hydrodynamic of structured packings. The results showed that the k-ω was a suitable turbulence model for analyzing the flows in structured packings. A simple method was proposed for evaluating the liquid holdup based on the lliuta and Larachi (2001) model [25], the calculated liquid film thickness in 2D framework, and the empirical correlation of Brito et al. (1994) [26]. The presented method can be used for estimating the wet pressure drop in 3D structured packings for loading region with good accuracy as well as computational economy. The process of liquid film formation was also discussed.
机译:计算流体动力学用于研究规整填料的流体动力学。结果表明,k-ω是用于分析规整填料流动的合适湍流模型。提出了一种基于lliuta和Larachi(2001)模型[25],在二维框架中计算出的液膜厚度以及Brito等人的经验相关性来评估持液率的简单方法。 (1994)[26]。所提出的方法可以用于以良好的精度以及计算经济性来估计用于装载区域的3D结构填料的湿压降。还讨论了液膜形成的过程。

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