1

Computational Fluid Dynamicsin OpenFOAM

Henrik Kaald MelbøSupervisor: Heinz Preisig

Department of Chemical Engineering

2

Computational Fluid Dynamics

Salome OpenFOAM

3

System: Milli-Reactor

4

Original Problem: To Extensive to Compute!

– Supercomputer

– Symmetry Axes

5

Use of Symmetry

6

Conductivity Sensor

Problem with the old one:

Not Uniform Flow!

7

Dimensions:

D = 12 mm

L = 45.6 mm

New Design

8

Problems- Noise- Model Diverged

9

What I Learned

- Create Geometries and Meshes

- Importance of Boundary Conditions

- Set up CFD Cases and Solve Them

- Utilize Different Mathematical Tools

- Difference Between Real Systems and Models

- Ways to Speed up CFD Calculations