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Simulation of a Spiral Concentrator

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Old   December 15, 2021, 14:19
Unhappy Simulation of a Spiral Concentrator
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jefferson
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Hi there
Someone can give me an orientation about this simulation in fluent?
First. I'm trying to simulate a spiral concentrator with DPM with the next parameters:

→steady state analasys
→Gravity in Z direction: -9.81 m/s2
→Viscous model: RNG k-e model, swirl dominated flow condition
→Discrete phase model:
Anable → Interection with continue phase
Update DPM source ...
Unsteady Particle Tracking

→Injection: Rosin-Rammler | Injection type: Surface | Total flow rate: 0.139 kg/s | magnitud velocity: 0.9 m/s | stop time 10000

→Fluid material: Water-liquid
→Boundaries: Velocity-inlet:0.9 m/s | DPM condition: escape
outlet and surface: DPM condition: escape | Pressure outlet and surface: 0
wall: DPM condition: reflect
→standard initialization from the inlet

The problem is with the results because the particles don't follow the trajectory of the spiral, they just can't fully develop
So I don't know if the model is wrong or the speeds are low, also I tried to simulate whit Eulerian and in the transient state but the results are worse than this

Any suggestion?
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File Type: jpg Spiral_Particle_Diameter.jpg (83.5 KB, 8 views)
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