Introduction

Rayleigh Benard convection theory

Critical Rayleigh number

 

 


I . Definition

II . Determination - Grid influence

II-1 . Structured grid
II-2 . Unstructured grid

Number of convection rolls

 

 


I . Influence of the Rayleigh number

II . Influence of the initial conditions

III . Influence of the geometry

Turbulence models

 

 


I . Introduction

II . k- e model

II-1 . Description
II-2 . Results


III . RNG k- e model

III-1 . Description
III-2 . Results

Conclusion