Abstract
Abstract
A computational fluid dynamics (CFD) model of the two-phase flow within a flow distribution chamber is presented in this paper. Several sets of results have been validated against experimental data obtained from a scale model of the chamber.
The interaction between air and water within the chamber, the shape and location of the free surface are modelled by the volume-of-fluid (VOF) model. The k-∊ and renormalization group (RNG) k-∊ models are the two turbulence models used in the simulations.
It is found that both the two-dimensional and the three-dimensional models using the RNG k-∊ model give a good qualitative description of the flow features within the chamber. The three-dimensional results also show very good quantitative agreement with the experimental results.
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