Abstract
Abstract Dense particulate slurry flow field through 90O circular pipe bends is numerically investigated in the present work. The dense slurry is modelled using Eulerian-Eulerian approach treating the phases as co-existing continua that exchange mass, momentum and energy with each other. Finite volume technique as implemented in ANSYS-FLUENT has been employed to numerically compute the flow field. Mono-size slurry with particle size of 16 µm and 50 µm is simulated at different flow Reynolds number at two solids efflux concentration (by volume) of 10% and 22%. Results have been validated partially with grid independence tests and with available experimental data. Within the range of operating parameters considered, it is found that with increase in flow velocity, and with increase in efflux concentration, the local solids concentration increases near the extrados of the bend, while local solids velocity shows higher values near the intrados region.
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