1 computational fluid dynamics in openfoam henrik kaald melbø supervisor: heinz preisig department...

9
1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

Upload: oscar-hopkins

Post on 13-Dec-2015

225 views

Category:

Documents


9 download

TRANSCRIPT

Page 1: 1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

1

Computational Fluid Dynamicsin OpenFOAM

Henrik Kaald MelbøSupervisor: Heinz Preisig

Department of Chemical Engineering

Page 2: 1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

2

Computational Fluid Dynamics

Salome OpenFOAM

Page 3: 1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

3

System: Milli-Reactor

Page 4: 1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

4

Original Problem: To Extensive to Compute!

– Supercomputer

– Symmetry Axes

Page 5: 1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

5

Use of Symmetry

Page 6: 1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

6

Conductivity Sensor

Problem with the old one:

Not Uniform Flow!

Page 7: 1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

7

Dimensions:

D = 12 mm

L = 45.6 mm

New Design

Page 8: 1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

8

Problems- Noise- Model Diverged

Page 9: 1 Computational Fluid Dynamics in OpenFOAM Henrik Kaald Melbø Supervisor: Heinz Preisig Department of Chemical Engineering

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