Spray Drying Chamber CFD Simulation by Ansys Fluent
Price: $220
In this project, Spray Drying Chamber has been simulated and the results of this simulation have been investigated.
Spray Drying Chamber CFD Simulation by Ansys Fluent
Price: $220
In this project, Spray Drying Chamber has been simulated and the results of this simulation have been investigated.
Spray Drying Chamber, CFD Simulation Ansys Fluent Software
In this project, which has been done by CFD numerical simulation method with the help of Ansys Fluent software, The spray drying chamber is simulated by the two-way dpm & Species Transport model. The particle diameter is 1 mm, and the flow moves at a speed of 1 m/s.
Geometry & Mesh
The 3-D geometry of the present model is carried out using Spaceclaim software. The length of the computational domain is 2.2 m and its height is 3.84m.
The meshing of this present model has been generated by ANSYS Meshing software. The mesh type is unstructured, and the total cell number is 258311.
Spray Drying CFD Simulation
To simulate the present model, we consider several assumptions:
- The solver is pressure-based.
- The present simulation is unsteady in terms of time.
- The gravity effect is equivalent to -9.81 m.s-1.
Here is a summary of the steps for defining the problem and its solution in the following table:
| Models | |||
| Viscous model | K-epsilon realizable | ||
| Discrete phase | on | ||
| particle treatment | unsteady particle tracking | ||
| material in injection | Water_liquid | ||
| particle type in injection | droplet | ||
| injection type | surface | ||
| Boundary conditions | |||
| Inlet | Draying_air | Velocity inlet | |
| velocity magnitude | 6 m.s-1 | ||
| discrete phase BC type | Escape | ||
| Thermal | 468.15k | ||
| feed | Mass_flow_inlet | ||
| Mass flow rate | 0.0116kg/s | ||
| Thermal | 300k | ||
| discrete phase BC type | Escape | ||
| Outlet | Pressure outlet | ||
| gauge pressure | -150 Pascal | ||
| discrete phase BC type | escape | ||
| walls | Wall | ||
| wall motion | stationary wall | ||
| discrete phase BC type | reflect | ||
| Solution Methods | |||
| Pressure-velocity coupling | simple | ||
| Spatial discretization | pressure | second-order | |
| momentum | second-order upwind | ||
| Modified turbulent viscosity | first-order upwind | ||
| Initialization | |||
| Initialization method | hybrid | ||
Results
In this simulation, a spray dryer chamber is simulated. Due to the water droplets entering as particles and the heat transfer, the water droplets evaporate over time, and their diameter becomes smaller, which indicates the Spray Drying device performance.