AE3006 Design of Gas Turbine Engine Components Syllabus:
AE3006 Design of Gas Turbine Engine Components Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
Of this course are
01. To introduce basic design concepts of jet engine and estimation of required thrust to students.
02. To make students familiarize with the design parameter and off design calculations.
03. To give the students adequate exposure to design procedure to the rotating components of engine such as compressor and turbine along with staging.
04. To make the students learn the aspects of combustion processes, flame stabilization issue, igniters design and NOx controls.
05. To make students familiarize with the concept of design inlet and nozzle for various on – off design conditions.
UNIT I GAS TURBINE ENGINE DESIGN FUNDAMENTALS
Design Process- compressible flow relationship; Constraint Analysis – Concept-Design tools preliminary estimates; Mission analysis – Aircraft weight and fuel consumption data-Example problems on Constrain analysis, Mission analysis.
UNIT II ON DESIGN AND OFF-DESING PARAMETRIC ANALYSIS
Total and static properties-corrected mass flow rate-Engine Cycle Design- One-Dimensional Through flow Area-Flow path force on components- aircraft constraint analysis, aircraft mission analysis, engine parametric (design point) analysis, engine performance (off-design) analysis, engine installation drag and sizing.
UNIT III DESIGN OF ROTATING COMPONENTS
Fan and Compressor Aerodynamics-Diffusion factor-Aerofoil geometry-Flow path dimension Radial variation-Turbine Aerodynamics- Constant axial velocity-adiabatic-selected Mach number-Mean line stage Design-stage pressure ratio-Airfoil geometry-radial variation-turbine cooling-range of turbine parameters-Engine life-Design Example –for fan-compressor-turbine.
UNIT IV COMBUSTION CHAMBER DESIGN
Design: Combustion system components- Combustion- Chemical reactor theory. Combustor Stability map-Stirring and mixing-Total pressure loss-Fuels-Ignition-Combustion Systems of Main Burner Design: Air partitioning- Main burner component Design: Diffuser-types of burner-inner and outer casing design-Fuel nozzle-Dome and liner-Primary zone- swirler-Secondary holesDilution holes-Transition duct-Design of Afterburners-Design parameters-Diffuser-Fuel injectionIgnition-Flame stabilization – Flame spread and after burner length – Examples design calculation.
UNIT V INLET AND NOZZLE DESIGN
Inlets and Exhaust Nozzles Design: Elements of a Successful Inlet-Engine Integration ProgramDefinition of Subsonic Inlet-Engine Operational Requirements- Definition of Supersonic InletEngine Operational Requirements- Engine Impact on Inlet Design- Inlet Impact on Engine Design-Validation of Inlet-Engine System-Exhaust nozzle design-Nozzle types and their design -Jet control methods for reduction of infrared signature.
TOTAL: 45 PERIODS
COURSE OUTCOMES:
Upon completion of this course, Students will be able to
CO1: Do preliminary weight and fuel estimation for an aircraft mission.
CO2: Identify variation in parametric analysis of ON and OFF design calculations.
CO3: Explain the principle design of compressor and turbine and selection of suitable materials.
CO4: Estimate the total pressure losses and able to predict ignition delay.
CO5: Determine the basic design factors affects ON and OFF design operation of inlets and nozzle on engine performance.
TEXT BOOKS:
01. Mattingly J.D., Heiser, W.H. and Pratt D.T, ‘Aircraft Engine Design’, 2nd Edition, AIAA Education Series, AIAA, 2002.
02. Oates G.C.,’ Aircraft Propulsion Systems Technology and Design’,1989, AIAA Education Series.
03. Saravanamuttoo H.I.H and Rogers, G.F.C. “Gas Turbine Technology”, Pearson Education Canada; 6th edition, 2008.
REFERENCES:
01. Cumpsty N., “Jet Propulsion: A Simple Guide to the Aerodynamics and Thermodynamics Design and Performance of Jet Engines” , Cambridge University Press; 2nd edition, 2003
02. Murthy S.N. and Curran E.T.,’ High-Speed Flight Propulsion Systems’, Volume 137, Progress in Astronautics and Aeronautics, AIAA,1991.
03. Rathakrishnan E, ‘Applied Gas Dynamics, John Wiley & Sons (Asia) Pvt Ltd, 2010.
04. Treage I.E, Inc. 1995 Aircraft Gas Turbine Engine Technology, 3rd edition, Glencoe McGraw-Hill, Treage I.E, Aircraft Gas Turbine Engine Technology, 3rd edition, Glencoe McGraw-Hill, Inc. 1995