Cyclone by DPM ANSYS Fluent CFD Simulation Training
$120.00 Student Discount
- This product is a gas cyclone device CFD simulation by ANSYS Fluent software.
- Due to the centrifugal force and heavier weight, particles separate from the gas stream and move downward due to gravitational force.
- Design Modeler software models the current 3-D geometry.
- ANSYS Meshing software grid the present model. The element number is 142499.
- the solid particles enter the cyclone interior from the top as the discrete phase, applying the Discrete Phase Model (DPM).
- We also define the discrete phase injection as the INERT of the cyclone inlet.
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This product is about a simulation of Cyclone by DPM via ANSYS Fluent software. We perform this CFD project and investigate it by CFD analysis.
Cyclones are one of the most widely used industrial systems in air dewatering, dust disposal, or separating solid particles from the gas flow. In these types of systems, separating solid particles from gas flows is carried out with the help of centrifugal and gravity forces, without filters.
In addition to reducing air pollution, Cyclones are also used to bring solid particles back into the production cycle. These systems commonly produce suspended solid particles in wood, cement, and other industries.
One inlet and two outlets for solid particles and pure air in cyclones. The air-containing particles enter the cyclone from the inlet of the cyclone. It moves in the space between the inner cylinder and the outer cylindrical body in a spiral and vortex manner, such that the solid particles are suspended.
Due to the centrifugal force and heavier weight, particles separate from the gas stream and move downward due to gravitational force. In this way, the solid particles in the air separate from the airflow.
The gaseous flow also flows upward and reaches the upper part of the chamber after reaching the conical region.
Cyclone by DPM Methodology
In this device, the gas flow enters continuously from the top to the inner space between the two cylinders and then the partial cone. Also, the solid particles enter the cyclone interior from the top as the discrete phase.
The contact between these two flows and centrifugal force separates these two phases. In the present simulation, the air is defined as gas flow and ash as discrete phase solid particles. Design Modeler software models the current 3-D geometry.
The cyclone structure consists of a cylindrical part and a partially conical part. Above the geometry, a trapezoidal cross-section is designed as the inlet of air impregnated with dust and a circular cross-section as the outlet of pure air.
At the bottom of the geometry, a circular cross-section is designed as a place for dust particles to accumulate. ANSYS Meshing software grid the present model. The mesh was of an unstructured type, and the element number was 142499.
Cyclone by DPM Conclusion
This simulation examines the behavior of a discrete phase from a Lagrangian perspective in the presence of a continuous fluid in the Eulerian perspective. The gas flow as a continuous fluid is under the Eulerian view, while the ash particles are discretized and Lagrangian.
The assumption is that the continuous phase does not affect discrete phase behavior. Therefore, we disable the Interaction With Continuous Phase for the discrete phase setting.
We also define the discrete phase injection as the INERT of the cyclone inlet, meaning that the discrete phase is ineffective and does not exhibit specific behavior. Ash particles can easily be tracked, and the residence time is also achievable. So we can analyze the cyclone performance.