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physics.flu-dyn2024
On the Drag Coefficient Universality of a Rough Grain in Creeping Flow
Si Suo, Deheng Wei, Budi Zhao +2
Controversy exists regarding whether grain morphology reduces or enhances the drag of a single grain in creeping flows; further complication occurs when orientation dependence for…
physics.flu-dyn2024
Drag coefficient for irregularly shaped grains: rotational dependence at high Reynolds numbers
Álvaro Vergara, Deheng Wei, Raúl Fuentes
The nature and behaviour of the drag coefficient of irregularly shaped grains within a wide range of Reynolds numbers is discussed. Using computational fluid dynamics (CFD) tools,…