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# Discrete Phase Model (DPM) Training Course

\$1,100.00 Student Discount

Chapter 1: (DPM Concepts): An overview of Discrete Phase Model fundamentals

Chapter 2: Discrete Phase Model module in ANSYS Fluent software and investigate sub-models

Chapter 3: (Training Example 1): Spraying Considering Breakup & Evaporation

Chapter 4: (Training Example 2): Wet Combustion using DPM combusting particles

Chapter 5: (Training Example 3): Erosion in an obstruction channel

Chapter 6: (Training Example 4): ICU Ventilation Design Improvement

#### Introduction to Discrete Phase Model (DPM) Concepts

• Introduction and overview of the Discrete Phase Model (DPM)
• Introduction to Lagrangian Framework Reference
• Overview of DPM application in industries and real-world examples
• DPM pros & cons
• Particle Life Cycle
• Introduction to Governing & Trajectories Equations
• Particle Fate
• Introduction to Grid-independence study of a DPM case

#### Discrete Phase Model in ANSYS FLUENT

• Discrete Phase Model Dialog Box: interaction, particle treatment, tracking
• Physical Models: DEM, Breakup, Coalescence, etc
• Injection Dialog box: injection type, particle type, diameter distribution, etc
• Drag Laws: spherical, non-spherical, stokes-cunningham, etc
• Breakup Models: TAB, Wave
• DPM Boundary Conditions: Trap, reflect, wall-film, etc

#### Spraying Considering Breakup and Evaporation

• The problem numerically simulates the Water Spraying using ANSYS FluentÂ software.
• We design the 3-D model with theÂ Design ModelerÂ software.
• We mesh the model withÂ ANSYS Meshing software.
• We use the discrete phase model (DPM) to define a SprayÂ process.
• TheÂ Species TransportÂ is defined to selectÂ Evaporative DropletÂ injection for particles.
• Breakup & CoalescenceÂ are considered.

#### Wet Combustion Using DPM Combusting Particle

• The problem numerically simulates the combustion chamber by DPM combusting particle type.
• We design the 3-D model by the Design Modeler software.
• We Mesh the model byÂ ANSYS MeshingÂ software.
• We perform this simulation as unsteady (Transient).
• We use theÂ Species Transport & DPM model to define the combustion process.

#### Erosion In An Obstruction Channel Using DPM

• The Design Modeler software is used to create the geometry.
• A structure grid is generated via ANSYS Meshing software.
• The discrete Phase Model (DPM) is used to model sand particles and erosion/accretion.

#### ICU Ventilation Design Improvement, Industrial Application

• The geometry is designed in Design Modeler & meshed in ANSYS Meshing software.
• One of the patients suffering from respiratory disease. It is one of our goals to prevent it from dispersion.
• The one-way discrete Phase Model (DPM) is used to model aerosols.
• An acceptable thermal comfort is our other concern in this project which is controlled by PPD & PMV factors.

## Discrete Phase Model (DPM) Training Course

The discrete Phase Model (DPM) will teach you how to simulate problems which has a dispersed phase. You`ll get acquainted with all the required steps in order to use the DPM module in ANSYS Fluent.

First of all, we have an overview of the DPM fundamentals and the required assumptions that need to be taken in order to simplify the problems. Next, all the related options related to the DPM module in ANSYS Fluent software are explained in detail in a separate chapter. Finally, we have several practical training examples.

## Training Course Syllabus

This course is divided into 4 main chapters. You strongly recommend that you do not skip any of the sections even if you feel you know the content because there all lots of practical points within the explanations, especially in chapter 4 during the simulation processes.

### Chapter 1: (DPM Concepts)

In this chapter, we will have a general introduction to the discrete phase model (DPM) and an overview of its application, limitations, pros & cons, and prerequisites. This section contains the following subsections:

• Introduction and overview of the Discrete Phase Model (DPM)
• Introduction to Lagrangian Framework Reference
• Overview of DPM application in industries and real-world examples
• DPM pros & cons, including:

– Limitations

– Introduction to Dense Discrete Phase Model (DDPM) application

• Particle Life Cycle
• Introduction to Governing & Trajectories Equations
• Particle Fate
• Introduction to Grid-independence study of a DPM case

### Chapter 2: Exploring the ANSYS FluentÂ

In the 2nd chapter, we get into the software and explain almost every Discrete Phase Model panel section. It has been tried to investigate various available models. This chapter summarizes the following subjects:

• Discrete Phase Model Dialog Box: Interaction, Particle Treatment
• Tracking parameters
• Physical Models: Particle Radiation Interaction, Thermophoretic force, Saffman Lift force, Virtual mass force, Pressure gradient force, Erosion/Accretion, Pressure-dependent boiling, Temperature dependant latent heat, Two-way turbulence coupling, DEM collision, Stochastic collision, Coalescence, Breakup,
• Injection Dialog Box
• Injection Type: Single, Group, Surface, Cone
• Injection Particle Type: Massless, Inert, Droplet, Combusting, Multi-component
• Diameter Distribution: Linear, Uniform, Rosin-rammler, Rosin-rammler logarythmic
• Drag laws: Spherical, Non-spherical, Stokes-cunningham, High-Mach-number, Dynamic drag
• Breakup Models: TAB, Wave
• Turbulent Dispersion: Stochastic tracking, Cloud tracking
• Parcel
• DPM Boundary Condition: Reflect, Trap, Escape, Wall-jet, Wall-film

### Chapter 3: Spraying (Considering Evaporation & Breakup)

In this project, we aim to simulate theÂ water sprayingÂ from a nozzle considering theÂ breakupÂ of droplets andÂ evaporationÂ using the Discrete Phase Model (DPM) andÂ Species Transport model. It can be claimed that this simulation is theÂ most accurate sprayingÂ procedure modeling, which considers all details.

Stochastic collisionÂ &Â coalescence,Â and dropletÂ breakupÂ are considered by using theÂ Taylor analogy breakupÂ model (TAB).In the spraying process, the droplets are distorted and their shapeÂ doesnâ€™t remain spherical. On the other hand, the drag coefficient strongly depends on droplet shape. Thus,Â dynamic-dragÂ drag law andÂ Discrete Random Walk ModelÂ are used. Furthermore, the floor has aÂ Wall-filmÂ DPM boundary condition leading to film formation instead of terminating trajectory calculations.

### Chapter 4: Wet Combustion (Using Combusting Particle)

In this project, theÂ wet combustionÂ of anthracite volatile in a combustion chamber usingÂ combusting particlesÂ is simulated. We aim to track fuel particles from the beginning of devolatilization, oxidizing and producing carbon dioxide & water vapor.

Species transportÂ andÂ discrete phase modelÂ (DPM) have been used to simulate anthracite particles. TheÂ combusting particleÂ type is hired with a 2% liquid fraction. The initial temperature of particles is 325K withÂ nonsphericalÂ shape andÂ rosin-rammlerÂ diameter distribution.

### Chapter 5: Erosion in a channel (Inert Sand Particles)

n this project, the impure water flows in an obstruction channel using ANSYS Fluent software. The aim of the study is to determine the obstacle effect on water pathlines and how it can cause damage to the channel over time. As a result, theÂ Discrete Phase Model (DPM)Â module is used to simulate sand particles andÂ erosion/accretion.

### Chapter 6: Respiratory Disease (Sub-micron particles)

In this project, we set the target to design an ICU considering thermal comfort conditions includingÂ PMV &Â PPD. Also, It is important to prevent the transmission ofÂ infectious diseases. In the project, one patient called patient #1 is suffering from a respiratory disease which puts an infection scenario in more attention.

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