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This research aims to investigate the effects of various parameters on particle separation in a stirred tank using numerical simulations.

May 22, 2026FluidsOpen Access

Numerical Simulation of Separation Characteristics of Particles Enhanced by Synergistic Extraction–Shearing

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This research aims to investigate the effects of various parameters on particle separation in a stirred tank using numerical simulations.
Utilized computational fluid dynamics (CFD) for simulating liquid-solid separation with the Eulerian–Eulerian two-fluid model.
Studied the impacts of impeller speed, hole arrangement, and hole area in a stirred tank setup.
Analyzed turbulence intensity and particle distribution uniformity under various operational conditions.
Increased stirring speed from 2000 r/min to 4000 r/min raised tank turbulence significantly from 4.69 kW to 36.57 kW.
Vertical openings in the annular cover improved energy transfer and turbulence intensity in the flow field.
Half-reducing hole area enhanced fluid jet velocity and local shear stress, improving particle distribution uniformity while decreasing stirring power by 43.75%.

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Numerical simulation demonstrates improved particle separation in stirred tanks, indicating optimized mixing efficiency and energy use.

Wu et al. (2026) studied this question.

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