| Titre : |
Characterisation of the Early Ignition Phase Generated by a Sunken Fire Igniter |
| Titre original : |
Caractérisation de la phase initiale de l'allumage générée par un allumeur aéronautique |
| Type de document : |
thèse |
| Auteurs : |
Alessandra MATINO, Auteur ; Marc BELLENOUE, Directeur de thèse ; Julien SOTTON, Directeur de thèse ; Institut PPRIME UPR CNRS 3346 - FTC, Commanditaire ; Fabrice FOUCHER, Rapporteur ; Epaminondas MASTORAKOS, Rapporteur ; Nabiha CHAUMEIX, Examinateur ; Bénédicte CUENOT, Examinateur ; Mikael ORAIN, Examinateur ; Christophe VIGUIER, Examinateur |
| Importance : |
268 p. |
| Note générale : |
NNT 2024ESMA0008
Acknowledgements
Contents
List of Figures
List of Tables
Appendices
Abstract
Keywords |
| Catégories : |
Combustion Essais (technologie) Plasmas (gaz ionisés) Turbines à gaz:Allumage Vélocimétrie par images de particules
|
| Résumé : |
INTRODUCTION TO IGNITION IN GAS TURBINE ENGINES
Environmental and Industrial Context
Thesis Outline
Résumé
LITERATURE REVIEW
Gas Turbine Engines: Overview of Helicopter Technology
Ignition: Fundamentals and State of the Art
Research Outline
Résumé
PLASMA KERNEL GENERATION IN INERT AND QUIESCENT ENVIRONMENT
Introduction
Preliminary Study: Emission Spectrum and Direct Visualization
Overview of Test Campaigns
Characterization of Igniter Performance
Characterization of Ignition Kernel
High-Speed Direct Visualization: Filtered Plasma Chemiluminescence
Analysis of Kernel Evolution
Cross Validation of Measurements Performed in Air
Application of Adapted Raga Model: Comparison with Experimental Results
Kernel Modelling in Inert Conditions by Empirical Correlation
Conclusions
Résumé
IGNITION KERNEL IN REACTIVE PREMIXED CONDITIONS
State of the Art - Premixed Combustion
Ignition Kernel in Reactive and Quiescent Conditions
Prediction of Experimental Results - Adapted Raga Model
Kernel Modelling in Reactive Conditions by Empirical Correlation
Impact of Inert Flow on Plasma Kernel
Determination of Transverse Flow Field in the Igniter Region
Kernel Propagation in a Reactive Swirling Flow
Conclusions and Perspectives
Résumé
IGNITION KERNEL IN TWO-PHASE CONDITIONS
State of the Art - Heterogeneous Combustion
Preliminary Study: Water Droplet Deposit on the Electrodes
High Magnification Shadowgraphy
Exploration of Kernel-Spray Interaction by Schlieren
Conclusions and Perspectives
Résumé
CONCUSIONS AND PERSPECTIVES
Conclusions
Perspectives
Résumé
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| En ligne : |
https://theses.hal.science/tel-05612865 |