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I. Glassmann, R. Yetter, Combustion 4th edition, Academic Press - Elsevier
Poinsot, Veynante, “Theoretical and numerical combustion”, Edwards
A. Lefebvre, Atomizations and Sprays, Taylor&Francis
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“Introduction to Turbulence Modelling”, Lecture series by the Von Karman Institute for Fluid Dynamics, Bruxelles, 2002
“LES and related techniques”, Lecture series by the Von Karman Institute for Fluid Dynamics, Bruxelles, 2007
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A. H. Lefebvre, 1999, “Gas Turbine Combustion”, 2° Edition, Taylor and Francis
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Teaching Methods
Oral lectures and practical exercises in laboratory
Type of Assessment
Oral examination
Course program
COMBUSTION FUNDAMENTALS
Thermochemistry and thermodynamics
Stoichiometry, chemical equilibrium, chmical kinetics
Fuels
Transport mechanisms
Laminar premixed flames
Laminar diffusive flames
NOx, CO and soot emissions
Ignition and stability limits
Liquid fuel evaporation
Liquif fuel combustion
INTRODUCTION TO TURBULENT FLOWS
Physics of turbulence
Energy cascade and characteristics scales
Navier-Sotkes equations for turbulent flows
Computational approaches: DNS, LES, RANS
Turbulence models for RANS
Eddy viscosity models, Near wall treatments
LES (Large Eddy Simulation)
Filtered Navier-Sotkes equations
SubGridScale models
Scheme and BC for LES analysis
Hybrid models DES, SAS
INTRODUCTION TO TURBULENT COMBUSTION
Probability Density Function concept
Damkholer number
Turbulent premixed flames - stabilization, characteristics scales, regimes
Non premixed turbulent flames - stabilization, characteristics scales, regimes
Numerical solution of reactive turbulent flows
RANS
Classification of turbulent combustion models
GAS TURBINE COMBUSTORS
layouts and fundamentals dimensions
Classification and design requirements
Diffusers - design
Airflow Split
Swirler
Fuel injection system
Liner cooling
Thermal design of GT combustor liner
Stability
Emissions
International standards on GT emisisons
Combustor perfomance
Ignition and altitude relight
LIQUID FUEL PREPARATION
Detailed analysis of liquid fuel evaporation
Multicomponent fuels
Atomization process
GT combusto injection system
Correlations
TERMOACUSTICS
General overview – Rayleigh criterion
Flame Transfer Function
Liner and BC impendance
Calculation example
TURBULENCE COMBUSTION MODELS
Local Source models
EDC fast chemistry and finite rate chemistry models
Chemistry acceleration
Flamelet models – premixed flames
Modelli Flamelet Fiamme premiscelate
BML theory
Eddy BreakUp model
FSD model
TFC model
G-Equation model
Partially premixed flames
Nox emissions – modeling in turbulent flows
Soot emissions – modeling in turbulent flows
PDF Transport models
FGM models
Dscrete Particle Modelling
Advanced multi-phase modelling
Turbulent combustion models for LES
CHEMICAL KINETICS EXERCISES
Chemkin package
Chemical equilibrium
Stanjan for Chemkin
Chemical reactors
Laminar flames
Fluent Flamelet module
CFD EXERCISES
Overview of Fluent turbulent combustion capabilities
Premixed flame example
Non premixed free jet flame example - EDC
Non premixed free jet flame example - Laminar Flamelet
Partially Premixed flame combustor
Liquid Fuel
Overview of OpenFOAM turbulent combustion capabilities
Application test