| Titre : |
Contribution to numerical simulation analysis of the flow in the ram accelerator in the subdetonative propulsion mode |
| Type de document : |
thèse |
| Auteurs : |
Tarek BENGHERBIA, Auteur ; Pascal BAUER, Directeur de thèse ; Yufeng YAO, Directeur de thèse ; LCD ENSMA UPR CNRS 9028, Commanditaire ; Michel CHAMPION, Examinateur ; Amer CHPOUN, Examinateur ; Marc GIRAUD, Examinateur ; Carl KNOWLEN, Examinateur ; David ZEITOUN, Examinateur |
| Année de publication : |
2009 |
| Importance : |
177 p. |
| Note générale : |
NNT 2009ESMA0019
Table of contents
List of tables
List of figures
Résumé
Abstract
Acknowledgements
Introduction
Appendices
Bibliography
Résumé
Mots clés |
| Langues : |
Français (fre) |
| Catégories : |
Aérodynamique supersonique
Combustion
Ondes de choc
Ondes de détonation
|
| Résumé : |
QUASI-STEADY AND UNSTEADY ONE-DIMENSIONAL MODELING OF RAM ACCELERATOR IN THERMALLY CHOKED PROPULSION MODE
Unsteady 1-D conservation equations
Calculation procedure
Comparison with experimental data
Compressibility effects of unreacted propellant on thermally choked ram accelerator performance
CONSERVATION EQUATIONS FOR REACTING FLOWS
Primitive variables
Thermochemistry
Viscous tensor
Molecular transport of species and heat
Chemical kinetics
Stoichiometry in premixed flames
Conservation of momentum
Conservation of mass and species
Conservation of energy
TURBULENT COMBUSTION MODELING
Elementary notion of turbulence
RANS simulation for turbulent combustion
Classical turbulence models
Turbulent premixed flames
NUMERICAL MODELING
Geometry
Two-dimensional simulations
Computational procedure
Determining turbulence parameters
Radiation
Combustion setup
Flame radiation losses
Initialization
RESULTS AND DISCUSSION
The influence of the reactional mechanism
Comparision with the experimental data
Thrust
REFINEMENT ON THE ONE DIMENSIONAL RAM ACCELERATOR MODEL
Influence of the control volume length in the unsteady assumption
CONCLUSION
Further works |
| En ligne : |
http://tel.archives-ouvertes.fr/tel-00491860/fr/ |
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