Model & approach
- Model gas flow and particle trajectories together inside the separator chamber
- Compare geometry variants for discharge, carry-over, dead zones and flow resistance
Project study
CFD design of a spark pre-separator
Gas-particle CFD compared chamber and guide variants intended to divert hot or coarse particles away from the main stream before downstream equipment.
Engineering question
Separation had to improve without burdening the process-gas path with excessive recirculation or pressure loss.
Boundary conditions
- Particle-laden process gas with gravity- and inertia-driven separation
- Several chamber and guide-element variants
Results of the assessment
- Particle inertia and local turning governed which paths reached the discharge region.
- The variants exposed a clear trade-off between separation, carry-over and added resistance.
Engineering consequence
The CFD assessment supported selection of a pre-separator geometry for subsequent plant design.
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