首页|CFD modelling of air and particle flows in different airway models
CFD modelling of air and particle flows in different airway models
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The above paper addresses the critical topic of CFD simulation of flow in the upper airway and down into the lungs, an area that is researched widely and is of particular importance since the COVID 19 pandemic. In their simulations, the authors use the two-equation transition SST turbulence model in Ansys Fluent. They justify its use with the following sentences: 'In the work, the built-in transition SST model in ANSYS Fluent was adopted to solve the Reynolds stress term. This model has been demonstrated to be able to capture unsteady velocity fluctuations especially transitional flows reasonably well (Ball et al., 2008; Menon et al., 1984). As the flow in the airways was predominately transitional, this model was well suited for modelling continuous phase flow through the airway models.'
SST-kωTransitional flowLung airwayTurbulence
David F. Fletcher、Kiao Inthavong
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School of Chemical and Biomolecular Engineering, The University of Sydney, NSW, 2006, Australia
Department of Mechanical and Automotive Engineering, RMIT, Bundoora, VIC, 3083, Australia
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