This chapter contains sections titled:
PDF/FDF‐Methods for the Prediction of Supersonic Turbulent Combustion
Introduction
Methods for Turbulent Reacting Flow Calculations
Basic Methods
Hybrid PDF/FDF‐Methods
Some Deficiencies of Existing Hybrid PDF‐Methods
The Transport Problem
The Mixing Problem
The Energy Problem
New Theoretical Concepts
The Transport Problem
The Mixing Problem
The Energy Problem
The Use of PDF Combustion Codes
The Current Use of PDF/FDF‐Methods
New Developments
Common Activities to Develop a New Combustion Code
Prospects for Further Developments
The Current and Future Use of Computational Methods
Some Challenges
Design and Testing of Gasdynamically Optimized Fuel Injectors for the Piloting of Supersonic Flames with Low Losses
Introduction
Experimental Setup
Model SCRamjet Combustor
Preheater
Combustion Chamber
Injectors
Investigation Tools
Shadowgraph Method
Rayleigh Scattering
Raman Scattering
OH‐LIF Measurements
Self‐Fluorescence Measurements (Chemiluminescence)
Numerical Modelling
Numerical Simulation with the CFD‐Code Fluent 5.5
Special Features of the Modelling of the Supersonic Combustion
Reducing the Number of Species
Reaction Mapping by Using of the Polynomials
Validation of the Modelling Approach with Polynomials
Two Stage Injector
Theoretical Considerations
Shock Stabilization
Combustion
Conclusions
Hypersonic Propulsion Systems: Design, Dual‐Mode Combustion and Systems Off‐Design Simulation
Combustion Stability of a Dual‐Mode Scramjet Configuration with Strut Injector
Introduction
Experimental Setup
Results and Discussion
Conclusions
Hypersonic Highly Integrated Propulsion Systems Design and Off‐Design Simulation
Introduction
Reference Propulsion System for the TSTO Concept
Engine Integration
Core Engine
Numerical Engine Simulation
Thrust Vectoring
Real Time Flight Simulation
Conclusion
Experimental Investigation about External Compression of Highly Integrated Airbreathing Propulsion Systems
Introduction
Focus on the Problem
Preliminary Measurements
Experimental Facility
Wind Tunnel Models and Instrumentation
Model 1
Model 2
Model 3
Numerical Model
Measurements and Results
Determination of the Boundary‐Conditions
Measurements in the Field of Shock Boundary Layer Interaction
Conclusion and Outlook
Experimental and Numerical Investigation of Lobed Strut Injectors for Supersonic Combustion
Introduction
Experimental Setup and Measurement Techniques
Governing Equations and Numerical Simulation
Multigrid Convergence Acceleration
Strut Design and Performance Parameters
Supersonic Mixing
Supersonic Combustion
Investigation of Different Lobed Strut Injectors
Conclusions
Experimental Studies of Viscous Interaction Effects in Hypersonic Inlets and Nozzle Flow Fields
Introduction
Experimental Techniques
Facility and Flow Diagnostics
Wind Tunnel Models
Inlet Studies
Nozzle Studies
Conclusion
Intake Flows in Airbreathing Engines for Supersonic and Hypersonic Transport
Introduction
Physical Model
Numerical Method
Results
Turbulent 2D Supersonic Intake Flows with Internal Compression
Laminar 3D Hypersonic Corner Flows
Turbulent 3D Hypersonic Flows through Symmetric/Asymmetric Double‐Fin Configurations
Laminar 2D Shock Interactions in Hypersonic Flows with Chemical Non‐Equilibrium
Conclusions
Propulsion
2005-05-09
151 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
supersonic combustion , propulsion , airbreathing propulsion systems , supersonic turbulent combustion , hypersonic inlets , lobed strut injectors , supersonic and hypersonic transport , research , dual‐mode combustion , viscous interaction effects , nozzle flow fields , PDF/FDF‐methods , gasdynamically optimized fuel injectors , hypersonic propulsion systems , systems off‐design simulation , supersonic flames , technologies for two‐stage‐to‐orbit vehicles
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