Multicomponent Particle Type for Droplets, CFD Simulation Ansys Fluent Training


In this project, multicomponent particle type for the droplets has been simulated and the results of this simulation have been investigated.

This product includes Geometry & Mesh file and a comprehensive Training Movie.
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Multicomponent Particle Project Description

In this project, the Multicomponent particle type for droplets has been investigated by Ansys Fluent software. We used the one-way DPM to simulate the discrete phase. 

Geometry & Mesh

The 3D geometry of this project has been produced with Spaceclaim software. The length of the computational area is 100 mm, and its height & width is 20 mm.

Multicomponent particle

Mesh is created with  Ansys Meshing software and the mesh type is unstructured. The number of cells is 56245.

Multicomponent particle

CFD Simulation

To simulate the present model, we consider several assumptions:

  • The solver is pressure-based.
  • The current simulation is unsteady in terms of time.
  • We ignored the gravity effect.

Here is a summary of the steps for defining the problem and its solution in the following table:

Viscous model K-w SST
Discrete phase on
particle treatment unsteady particle tracking
material in injection Hydrogen_peroxide_water
particle type in injection multicomponent
injection type cone
Boundary conditions
Inlet Draying_air Velocity inlet
velocity magnitude 0.2m.s-1
discrete phase BC type Escape
Thermal 450k
Outlet Pressure outlet
gauge pressure 0Pascal
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 method   hybrid

Multicomponent particle Results

In this simulation, which is injected by an injector droplet of two mixed species, which is water and hydroperoxide, the type of evaporative water is defined and the second type without evaporation is considered for this reason. As it is clear from the results, the evaporation of a species can be seen in the droplets and the decrease in the diameter of the droplets can be seen.

You can obtain Geometry & Mesh file and a comprehensive Training Movie that presents how to solve the problem and extract all desired results.


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